86’ Polaris scrambler 250r 3-wheeler

[Jd110]

First time I’ve ever seen one was 2 days ago. Funny thing is, I’ve known the owner for twenty five years. I’ve been at his place atleast a hundred times. He has so much stuff in several buildings that I apparently just over looked it.
Anyway, this unit is beautiful!! Original rear tires, off-white tank?(appears original w/black crud creeping up), all complete, just a solid unit. He bought it new in ‘86 and told me he turned down an offer from a dealer rep at a grand. He must had known I’ve been into trikes because he had it out when we arrived. He did offer it to me and continued about me ‘needing’ it-haha.
Unfortunately, he has been in a wheelchair since I met him so, I don’t think it has many hours. What do you guys think? Because my wheels are spinning here. Happy holidays!!!
He did mention that he replaced the starter a couple years ago, which was the last time it ran.
This is actually an 85’ model, my mistake.

[fabiodriven]

I love the Scrambler trikes but for $1000 it better be really, really nice.

[Gabriel]

There’s one for sale in the 3WWorld shop.
Cool looking machine.

Do post pics as you work on it.

[Jd110]

I love the Scrambler trikes but for $1000 it better be really, really nice.
Not sure it is really really nice. Plus, as I said, it’s not running, so we got that in our corner-as far as haggling goes.
I really didn’t want to pick it apart, nor did I take any photos. He mentioned turning down the rep after I asked what his plans were. So I said what would do you want and he said a grand. Well, that could be negotiated but honestly I was thinking that might be fair, so thank you

[Gabriel]

I don't envy your quest for replacement parts. $5 says the Polaris dealer gets a laugh if you ask.

[350for350]

If it's in good shape, and you want it for that, I say to go for it! I'd like to at least ride one once. Now just because he's in a whee;chair, that doesn't mean that he hasn't ridden it much. I met a guy who used to run a Polaris dealership in Salina, Kansas back in the late 90's. He had polio, but still loved to ride. At that time, Polaris was just about the only thing around with a CVT. He rode a 1997 Scrambler 400 4X4.

[Jd110]

I don't envy your quest for replacement parts. $5 says the Polaris dealer gets a laugh if you ask.
The quest for entertainment is never ending...I really don’t need it, is the deal here with me. I’m happy and fortunate to have what I do ride and really don’t see this as an improvement. With that said, gets a little sentimental here:
I went to high school with the owners kids. My wife grew up next door to them and has remained really close. They have no interest in it, but I found out by their kids, the grandkids. I was pulling them in the snow last year on the big red when they mentioned their grandpa had a blue Polaris. They took to the big red red with ease, taking turns pulling each other. At one point they talked about wanting it running. It’s similar to being in the family. So, in that standpoint, I’d like it to be mine, just because it really is nice. Plus, it needs nothing, so the saying goes.

[Jd110]

If it's in good shape, and you want it for that, I say to go for it! I'd like to at least ride one once. Now just because he's in a whee;chair, that doesn't mean that he hasn't ridden it much. I met a guy who used to run a Polaris dealership in Salina, Kansas back in the late 90's. He had polio, but still loved to ride. At that time, Polaris was just about the only thing around with a CVT. He rode a 1997 Scrambler 400 4X4.
I understand bud. This gentleman is handicapped but by no means unwilling. He is pushing 70 and races three wheeled bicycles and plays in a hockey club. But, I’m certain he hasn’t climbed on this for quite some time.

[Jd110]

The one in the shop is $4,350 !...........thats a lot meat on the bones ..........try $500 !

I did see that one. Thanks! Haven’t seen one with this off-white color gas tank, though.
Yes, $500. I’m kinda thinking work/trade. I’d bet you have had experience negotiating a deal with friends or family. In my experience it has been either give them what they’re asking or simply don’t buy it.


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[fabiodriven]

I'm pretty sure the tanks only came in blue, at least I think... If there's white on it, it's likely paint or the tank could be faded or something.

[Jd110]

I'm pretty sure the tanks only came in blue, at least I think... If there's white on it, it's likely paint or the tank could be faded or something.

I don’t mean to keep rambling about this but I think you’re right. I was just looking at others and they were faded off-white.

This one had what looked like tiny barnacle growing on the tank. At that time I was afraid it was badly oxidized. So, it probably/might have been left outside a number of times, which makes it less nice, in my book.

I should have taken a picture, but I can get one. I’m not going to lead them on with my interest, nor will I let oxidation stop me. I’ll just give it some time right now. Thanks for your insight-always appreciated.

He’s son told me he use to tear around on it and knowing him it was hard. They had a lot of other motorized toys, too. So, I’m not sure why this one survived and was put away. We were there at a party so I wasn’t asking but I like to know the story of how it was kept and ridden, if possible.


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[Jd110]

Yep, blue it is. I’ll try sanding it back. I’ve got one tank decal and he’s looking for the other. https://uploads.tapatalk-cdn.com/20190608/4b7258f6eec069acaf5295d511cd9673.jpg
It runs good, so I’ll clean it a bit and maybe new tires.


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[HorseMcHorseman]

Awesome grab. There was one kinda near me a little while ago, should have picked it up. So many desirable features on it- air cooled, reverse, electric start.

[ps2fixer]

Neat pickup, if you do tear into it, I'd love to see photos =). There was one of these machines near me recently for $1750 on craigslist. Seems a bit steep to me, but then again they are pretty uncommon to run across and I'm personally not a huge fan of the CVT/Belt drive systems. Fine for a snowmobile, but for atvs I prefer gears.

If you do ever tear into it, I'd be interested to see photos of all the wire connectors. I'm sure it would be a horrible product business wise to make, but I wouldn't mind seeing if I can reproduce them. Same thing for the other rare 3 wheelers like the Trigers and such.

Either case, good luck with the machine.

[350for350]

That does look like it's in pretty good shape. It was a nice buy. I wouldn't mind having one just for the uniqueness. It would have to be in fairly good shape though. Parts wouldn't be very easy to find.

[Jd110]

Awesome grab. There was one kinda near me a little while ago, should have picked it up. So many desirable features on it- air cooled, reverse, electric start.

One small but convenient feature I really like is the hole in the hitch. Big thumbs up to the former American three wheeler maker, so far!!!
And what’s not to be a fan about 850 pounds. Lol
https://uploads.tapatalk-cdn.com/20190610/bb3327031eebfae1131879e856e07a86.jpg
Cory-What ever I can do with the connectors, let me know;) I’ll be taking the tank off soon enough.


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[ps2fixer]

Mainly just need to see the connectors for their shape, like front and side view should work for most. Not too worried about pin out, if I'm going to duplicate the harness, I'd have to get one on hand. First one already is a unique connector lol, really just a bullet connector, but not sure if I'll be able to source the rubber holder or not. I'm sure there will be a few connectors I'd probably have to source to reproduce them.

I've seen machines before with a metal plate the goes under the ball that extends out to give that eyelet for the pin based trailers. I could probably make something up like what I've seen before. Not sure how strong it would be, but could get like 1/4in steel plate laser cut.

[Jd110]

https://uploads.tapatalk-cdn.com/20190612/3f16437c88b3388942ce7843fe2834b0.jpghttps://uploads.tapatalk-cdn.com/20190612/4497a453b0d4de31ce0b3a3fc8eba1e6.jpg
I haven’t found any paper that works better than 3M. The cheaper stuff on the floor doesn’t last long. Need to figure a way to keep the water hot. At 600, so a ways to go.


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[Trike_crazy]

Parts wise a lot of the later 250 trailblazer and trail boss parts will work with some modifications or just swapping around of other parts.

I have a 250r/es with a 400 axle that is about 1 inch wider per side and a bunch of other modifications like a 250x cyclone engine, exhaust, carb, and clutch. I also used the seat from the cyclone and a set of 400 fenders. It's one of my favorite 3 wheelers.

I had another one that I sold to a friend of mine one here that was basically all original down to the tires. The few parts it was missing came from my trike I modified that I wasn't going to use. https://uploads.tapatalk-cdn.com/20190612/c7d9e21c316a446a9abd59784b0c9cf0.jpghttps://uploads.tapatalk-cdn.com/20190612/9f4bf0d69ccbea5610f1e6b5417e56bf.jpghttps://uploads.tapatalk-cdn.com/20190612/59ec2066124972375c86388360a2b595.jpg

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[Gabriel]

Wow, I'm Polaris dumb....
Just noticed it's 2 stroke. That sucker could be made to scoot if tuned right. COOL!!!

[ps2fixer]

Haha, yea, a lot of the early belt drive atvs would be 2 stroke, pretty sure the tech/idea came from snowmobiles which have been using that clutch/belt system for tons of years.




That tank came right back to life, did you just sand it down?

[Gabriel]

Wonder if they could have used a reversible starter to make the machine have reverse? LOL! We worked on a golf cart back in Ag class in high school that had forward and reverse depending on which direction the motor was running. 2 stroke is cool like that. Running backwards?...no prob.

[ps2fixer]

Interesting, I never heard of a machine you'd start backwards to actually get reverse gear.

Kind of reminds me of the Honda Rincon, it's an automatic transmission similar to a car in it and it's a 3 speed. If you over ride the reverse detection, you have 3 speeds in reverse, could go something like 60mph backwards lol.

[350for350]

Gabriel, I've ridden a 250 Trail Boss (quad) before and it did scoot pretty well, even stock. I'm fairly certain that they already had reverse like HorseMcHorseman said. I know that the Trail Boss with practically the same drivetrain did have reverse.

[Supraman0614]

Ski-Doo's reverse worked by shutting the engine down and restarting it in reverse for years. No gearbox required, just the ability for the clutches to operate backwards and forwards.

[Jd110]

Trike crazy, nice job on your machine and thanks for the info. I’d like to stop taking things apart, so I can try it out. I’m curious how well it will tow.
Would you know where I could find a service manual?


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[Jd110]

That tank came right back to life, did you just sand it down?
Yes, started with 320 and 400. Found out the hard way, to not go down to good plastic with that grit. Couple hours and I was on to 600, where I started to see a shiny blue, when wet.
It’s been awhile with the 600 but I’m finally up to 800.



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[ps2fixer]

Atleast you didn't start with like 120 xD. Lot of work, but it has it's color back =)

[Jd110]

This is actually an ‘85. Looked up the vin last night. The muffler heat shield had me wondering.
https://uploads.tapatalk-cdn.com/20190615/bec49bb58ee6d84a495e307f2052c8b1.jpg
I’m guessing these where put on the first machines off the line.
It has the 2 holes in the head for the aluminum shield.


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[ps2fixer]

Can you post the VIN info to identifiy 85 vs 86? I could add it to my VIN decoder.

[Jd110]

I realize now, I should have checked this first. Here you go, to add it to your vin decoder. https://uploads.tapatalk-cdn.com/20190615/681088a49c32c6fa9af7ab4336899f53.jpg
https://uploads.tapatalk-cdn.com/20190615/6e93e859951b197cb5e987b98d0efb93.jpg
Lmk if you need a specific connector.



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[ps2fixer]

Interesting, based on the CDI setup, it's designed after a Yamaha/Kawasaki quite a bit it seems. I also found out I have at least a similar 2 pin rubber bullet connector setup similar to what was photoed before. I might have to keep my eye out for a harness from one of those machines. The area that might use a weird connector would be for the handle bar controls and ignition switch.

For the VIN, how did you know it is an 85 vs 86, like is there any info documented to say x vin to x vin is 85? I'd have to see a few VINs, but likely the first 3 would be to identify the model, and the last 4 production numbers. Not sure if over 8000 of that model was sold or not though.

Poking around, looks like the manufactuer's site supports the non-17 digit VINS just like Kawasaki's site, so with enough poking around I can probably figure it out. Kind of stinks their vins are numbers only, can get multi brand results quick if the numbers line up just right.

Anyway, here's a screen shot of the info for your machine, pretty interesting to know exact purchase date. Since it says the engine number, you could validate your engine is "numbers matching" aka orig to that frame.

https://i.gyazo.com/fc3ba4e7859cab16819777170c054dc1.png


EDIT:


Oh.... looks like the serial number is mixed up like crazy, 1218475 is 86, 1218476 is 85 again. WTF was Polaris thinking. Good thing I'm a programmer, but for Polaris machines I'll have to make a database lookup after scraping the site.

EDIT2:

Scripted and fired up a data scraper, grabbing all of the 7 digit VINs for polaris so I can build a look up table based on VIN or engine serial. Kind of funny, some of the machines polaris doesn't even give a model name for, international machines are even mixed in a little, got a couple Swedish ones.

Anyway, looks like this number standard VIN started in 1984, any idea what their VINs looked like before 84?

EDIT3:

Well searched for an 83 VIN, and it looks like Polaris's site doesn't support 83 and older VINs, guessing it's poorly scripted on the back end because the VIN starts with a place holder 0 (09 for 83, 08 for 82). Not a huge deal since basically all of those machines would be snowmobiles and such, but wouldn't mind getting that info scraped too. Also, kind of funny, I already see duped engine serial numbers, I guess the model/machine is required to make it unique.

[ps2fixer]

I built a data scraper to grab the data on the vins to see what is really going on, your machine is 1 vin off from the random 86 machine mixed in with all the 85's. the 86 vin range has a completely different model machine mixed in the middle of them lol. Kind of a weird setup. Engine serials don't seem to have much of a pattern to them, like the grabbed a random engine and threw it on the machine and logged it.

Here's the VIN info since I kind of doubt this is known/public. Besides the 2 bad VINs in the ranges, it's accurate. Looks like your machine is 1 of 499 ever made.

1985 Scrambler (W857027) - 1217084-1217095 & 1218013-1218500 (499)
1986 Scrambler (W867027) - 1308687-1309887 (1200)

https://i.gyazo.com/eaef81c590f7bf810bf7cb063ef97b84.png

[Jd110]

You may have noticed, that one 86 has a low engine number. Which is about 5000 lower than the first number listed for 86.
Thank you for double checking and beyond. That’s great info.
To answer you, I found it on Polaris web site but, here it was and more good info:
http://www.3wheelerworld.com/showthread.php/168024-Scrambler-VIN-decoder-Neat-info-try-it-if-you-have-one


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[ps2fixer]

Here's a screen shot of the 86 range with a random machine in the middle. Engine serials are a bit all over, the trailboss is right in the middle of all the scrambler engine serial numbers, below/after the scramblers is a group of trailbosses with similar engine serial numbers. Like I said, there's not much of a pattern, just a slightly increasing number with the first number being 1 year before the model year for some machines, same for others. Model numbers seem to be the same, 0 = usa, w = usa?, s = swed, n = norway, then model year, then like a unique model number.

Like this, W857027 = usa, 1985 model year, and model #7027, then the engine serial is 8500022, 1985 again, #00022.

If I jump to an Indy 400, model comes up as 0860759, 0 for usa, 86 for 1986 model, model #0759. I suspect the Indy 400 is an older model than the scrambler, if there's any pattern at all to it.

I could post up the scrambler info to like pastebin or something. It's pretty interesting data. The full data dump of all machines is over 100k records so far and I think it runs into like 97-99ish.


All of the data is based on results from the link below. I marked the data output as "ATV" for everything because I thought it was separated from snowmobiles and such, but all of the pages returns results for the vin numbers.

https://atv.polaris.com/en-us/vin-search/


Also there's some interesting things, like engine serials starting with the first digit lower 1 than all the others, indicating it's a 10 year older engine. Not sure if it's a mistype at the factory, or if it's legit what's printed on the engine, clearly a mistake one way or another. Also some have blank engine serials, and some marked as no engine. Here's a screen shot of a few hits on that, "No Eng" and "xxxxxxx"


https://i.gyazo.com/9333f8ae8a16ecfe363f83d226a5fb1e.png

[Jd110]

Thinking of towing, I might want to save bigger loads for the Honda until I figure out how this rear brake works. I like the idea of not shifting, though.
I’ve been messing with the plastics and ready to move on with the mechanics, only because my shoulders need a rest;). It won’t be much, just a carb cleaning. Then, back to sanding. Here’s what buffing with just a paper towel will do after wet sanding with 2000 grit. They need a coat of wax, still.
https://uploads.tapatalk-cdn.com/20190629/febee57d4edcb12553edb79831d47147.jpg
https://uploads.tapatalk-cdn.com/20190629/9c35761b88b612f97689e35229587abc.jpg
https://uploads.tapatalk-cdn.com/20190629/b490a6487f29123da5e618430d192a6d.jpg



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[Gabriel]

This beats wax for plastics..IMHO. If used properly it works awesome!
https://www.amazon.com/PC-Racing-Plastic-Renew-8oz/dp/B000GTUZLO?SubscriptionId=AKIAILSHYYTFIVPWUY6Q&tag=duckduckgo-osx-20&linkCode=xm2&camp=2025&creative=165953&creativeASIN=B000GTUZLO

[Jd110]

This beats wax for plastics..IMHO. If used properly it works awesome!
https://www.amazon.com/PC-Racing-Plastic-Renew-8oz/dp/B000GTUZLO?SubscriptionId=AKIAILSHYYTFIVPWUY6Q&tag=duckduckgo-osx-20&linkCode=xm2&camp=2025&creative=165953&creativeASIN=B000GTUZLO

Thanks, I’ve used it and have a lot left over. I was trying a different route. It has worked good for me, though. My results varied , so like you said, if used properly, I guess. But it did give a mirror like finish.
More or less looking for a little uv protection but not essential.



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[Jd110]

Since I like going through these to clean and grease, I figured I send a few pictures for ps2fixer.
https://uploads.tapatalk-cdn.com/20190629/51d3454b8be4e59f9efe6851c1ba0ff3.jpg
https://uploads.tapatalk-cdn.com/20190629/2b6719ed69bc40b264f783bc9c3021a1.jpg
https://uploads.tapatalk-cdn.com/20190629/4874df52bb912b861d9b6da07e6c518a.jpg
The plastic sleeve, inside the socket is a nice touch:
https://uploads.tapatalk-cdn.com/20190629/bbb978f800541b7e16633f3f5cf24a95.jpg
Gives me a chance to sand the headlight bucket...
Couple other small things I’ve noticed that are interesting:
1. Vent hoses at the top of the fort boots going up the steering neck. Maybe a Yamaha thing?
2. Drain plug under muffler.
It’s got snowmobile technologies, with a subaru engine & a Yamaha front end. It’s beautiful!!


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[ps2fixer]

Thanks for the wiring photos. They really liked to jumper style wiring. Pretty interesting some of the bullet terminals are the water proofing style, while others just has the open sleeve style.

What brand did the insulators on the green wires say? Looks like it might be Grayline?

I was looking at engine serial number pics, seems like a lot of the old Polaris engines were made in Japan, kind of makes sense why the wiring has a lot of Japanese style connectors and such too.

[Jd110]

Yes, they are grayline.
Funny, that green you see ‘grayline’ on, is the one wire pulled out of the loom. It goes to the neutral/reverse indicator switch. Not sure why it was pulled out back to the headlight. It has no splices in it. No big deal, it will tuck right back in.

I actually like the wire loom with the removable loom clamps mainly for this reason-accessibility. https://uploads.tapatalk-cdn.com/20190701/48af24ee543dabd9bb24b934326d2b48.jpg
Probably will put an additional plastic sleeve over all those connectors for the reg/rec, before tidying them.
https://uploads.tapatalk-cdn.com/20190701/11a328ece43dde6656de34509ab4cc40.jpg

Although the plastics have normal scuffs, they’re shining up.



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[Howdy]

Wow, I'm Polaris dumb....
Just noticed it's 2 stroke. That sucker could be made to scoot if tuned right. COOL!!!

I picked one up From a dealer in Iowa about 6-7 years ago. It is a running sob. Had it out Saturday and my friend had his 570 Polaris quad with speedometer on it. He was shocked that The 250 would do 55mph. The other one I drive at Trikefest was clocked at 52 with a radar. Plenty fast enough for 372lbs dry weight.

One thing these are not made to do is jump. You will do serious damage on a big jump. My son found out the hard way, tranny, swing arm, and frame was destroyed.
Howdy

[ps2fixer]

I kind of expected the Polaris to be a bit faster being 2 stroke and belt drive. My 250sx clocked in at 52mph on a gravel road using a 680 Rincon with a speedometer. Pretty similar speeds/specs I guess, dry weight of the 250sx is 357lbs. Engine should be all stock, oem exhaust and such.

That wiring is cleaning up so nice, makes it look like it's only a few years old or something.

[keister]

I kind of expected the Polaris to be a bit faster being 2 stroke and belt drive. My 250sx clocked in at 52mph on a gravel road using a 680 Rincon with a speedometer. Pretty similar speeds/specs I guess.

I have raced my Scrambler several 250SXs on the 300 foot strip at Trikefest. It's not even anything resembling a race.
At 100 feet the P3 is almost max'ed out, I turn around a see I have 10 bike lengths lead and the SX is clunking through the gears.
I doubt the SX is max'ed out at the finish line, but not sure on that.
So yes, while the top speeds are very close one gets there in a hurry, the other decidedly does not.
If I get a good start, I can hang in there with a 350X - although I have never beat one.

[ironchop]

Do the P3 share the same drivetrain as the 250 Trailblazer quad by any chance?

I ask because I know you can get cvt mods which help the lockup a little on the drive belt so you can get more power to the rear tires faster than stock

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[ps2fixer]

I have raced my Scrambler several 250SXs on the 300 foot strip at Trikefest. It's not even anything resembling a race.
At 100 feet the P3 is almost max'ed out, I turn around a see I have 10 bike lengths lead and the SX is clunking through the gears.
I doubt the SX is max'ed out at the finish line, but not sure on that.
So yes, while the top speeds are very close one gets there in a hurry, the other decidedly does not.
If I get a good start, I can hang in there with a 350X - although I have never beat one.

I'll have to find you at trike fest some time, I have both the 250sx and a 350x =). My 250sx is slow as can be acceleration wise vs my 350x, I'd put it more on par with a 200 series 3 wheeler. My 350x doesn't top out by the end of the track, but I was only a couple lengths behind a guy that had a 490 big bore kit in his, and I'm racing him with my crappy looking machine that probably is a stock engine setup (I never opened it) with a overly loud DG exhaust and a poorly tuned carb (lean). The SX did take a long distance to max out, shifting defo takes away from the acceleration, belt drive is more ideal for drag style racing because of it's CVT effect. Not sure how efficient it is for drive line losses vs say chain drive though. I suspect I could keep up ok on my SX vs your P3, but doubt I'd beat you, I'd have to power shift to even have a chance. I wonder what the HP is of the P3 engine. 2 stroke 250cc should be somewhere near the power of a 250r or 350x.

Ironically, when we were getting the top speed of my 250SX, my cousin was also doing the same for his 1987 TRX250X, his machine was a little faster than the SX, but wasn't a huge difference, his top speed was higher though, maybe like 55-58mph.

Anyway, I don't exactly ride my 250sx because it's the fastest machine, it's just really nice being shaft drive, mud & jumps etc isn't a problem, just can't do any extreme jumps since the suspension is too stiff and probably not nearly enough travel.

[Jd110]

Please allow me to acknowledge another mistake I made. Green wire does NOT go to starter, it goes to the neutral/reverse indicator switch in the transmission.
Some good news is, progress continues:
Carburetor and wiring are done. Last, but not least is sanding the rear fender.
https://uploads.tapatalk-cdn.com/20190706/8cfedc688e7528857d9827ff0a166a04.jpg
https://uploads.tapatalk-cdn.com/20190706/16ad2b7f0ad79a1199ea6bab1c75786b.jpg
I put that piece of loom over these connectors to not only keep them from continuing to scratch the fender, to keep the mud off, also.
Something else I luckily found. When I went to rebuild the fuel petcock, the tank to valve seal was shot. When I first searched, it said unavailable-but I didn’t want to believe it, so I called the dealer. Thankfully, he found one.


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[Jd110]

The loom I put under the steering...bad idea. It was a fraction too big after I mounted the fender, so I used a piece of shrink tube. https://uploads.tapatalk-cdn.com/20190720/240ac5384d8ac6e3a5086dfd7f8ba571.jpg



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[Jd110]

Pulled it out to wash the tires before wrapping it up.
https://uploads.tapatalk-cdn.com/20190720/e26cf2cef9b21674b2d09072df9e002e.jpghttps://uploads.tapatalk-cdn.com/20190720/7d797ed6cc4f9ad171cdce20cd8a0947.jpg


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[ps2fixer]

I saw your note about the green wire, not sure if these diagrams are accurate, but it looks like the green wire relates to the reverse system, or maybe the wire diagrams are incorrect? Seems to be a lack of info for this machine wiring/electrical wise.

http://www.3wheelerworld.com/content.php/214-Polaris-Scrambler-wiring-diagram

[Jd110]

I’ve been riding it around the past few days. Everything works as it should. https://uploads.tapatalk-cdn.com/20190720/25544a2abbb904d05fd75b4f79917edf.jpg
https://uploads.tapatalk-cdn.com/20190720/56689e1b95ff0e8569bed211db595f9d.jpghttps://uploads.tapatalk-cdn.com/20190720/e9ca54b63daf4aff4426edef2442375b.jpg

Original owner wanted to see it and to see him speechless was worth the effort to me ;)


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[ironchop]

Holy cow!

That thing IS nice. I'm glad you scooped it up and rehabbed it

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[HorseMcHorseman]

Looks awesome

[Jd110]

I saw your note about the green wire, not sure if these diagrams are accurate, but it looks like the green wire relates to the reverse system, or maybe the wire diagrams are incorrect? Seems to be a lack of info for this machine wiring/electrical wise.

http://www.3wheelerworld.com/content.php/214-Polaris-Scrambler-wiring-diagram

Yes, I don’t know why I said starter. After I removed the air box and carb, it was right there on the switch. I know I said rev/neu indicator switch because that is what it’s called. There is no neutral light, just high beam and reverse, once I finally read the diagram. So I caught myself being a dum dum more than once.




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[Jd110]

Holy cow!

That thing IS nice. I'm glad you scooped it up and rehabbed it

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Thanks, I am, too. I can’t believe I even hesitated on this. The thing is so smooth and surprisingly quiet.



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[ps2fixer]

Yes, I don’t know why I said starter. After I removed the air box and carb, it was right there on the switch. I know I said rev/neu indicator switch because that is what it’s called. There is no neutral light, just high beam and reverse, once I finally read the diagram. So I caught myself being a dum dum more than once.




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Thanks for confirming that (the wire diagram being correct lol).

[350for350]

Man! That thing looks great! I hope you have many years of enjoyment with it.

[El Camexican]

Looks great, nice job!!!

[tripledog]

The thing is so smooth and surprisingly quiet.



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That's what she said.

[Jd110]

Thanks for confirming that (the wire diagram being correct lol).

I appreciate the diagram and your help-always will
You may have noticed, this machine has the reverse limit setup. He said he bought it that way and never remembered that green wire. But he did remember replacing one crank seal, starter, tail light and a head gasket-pretty good memory, I thought. So, that green wire most likely was added by the dealer back in 86.
Anyway, I was using a different diagram that shows the reverse light switch open in forward and reverse override switch normally closed. I’m thinking the override is the button on the left hand side of the handlebars. This one doesn’t seem to work. It goes fast in reverse with the button pushed or not.


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[Jd110]

Thank you guys for the compliments. I really admire your skills. I just couldn’t paint anything on this. Maybe later the wheels and exhaust....
What I could use help with is a good idea to attach the tank decal. I’d like it to be able to be removed without destroying it, if possible. I thought Velcro but then not. I tested silicon caulk and Honda bond gasket sealer but they won’t adhere to the tank.

[tripledog]

Maybe you could use 3M double sided tape to attach the decals?

https://www.ebay.com/itm/3M-VHB-5952-1-4-x-15-21-36-108-ft-Double-sided-Acrylic-Foam-Tape-Automotive/272695830963?hash=item3f7df029b3:m:mHMdhZto8Qp2V0t 2P5tX2NQ

[Jd110]

That's what she said.

I’d like to jump it, but howdy says no way.


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[Jd110]

Maybe you could use 3M double sided tape to attach the decals?

https://www.ebay.com/itm/3M-VHB-5952-1-4-x-15-21-36-108-ft-Double-sided-Acrylic-Foam-Tape-Automotive/272695830963?hash=item3f7df029b3:m:mHMdhZto8Qp2V0t 2P5tX2NQ

Good morning tripledog. Nice to hear from you and thanks for this idea- it’s great!. I have these: https://uploads.tapatalk-cdn.com/20190721/d5292c1126d91fd142fca46980cc6a9c.jpg
Not sure the brand, but they stick really good. It was hard to get that one test strip off. Maybe I’ll try cutting enough to cover the entire back side and keep a good eye on it.


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[Jd110]

He found the other tank decal, so I’ll stick it on the same way. Also, just disconnected the reverse limit set-up and all is still good.
After I change the chaincase oil, I’ll see if it can do 100 miles on 4 gallons.


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[ps2fixer]

Nothing will stick to the plastic tank long term (like over 10 years), gas tanks are a weird situation, not sure why but they off gas when there's gas in them and stickers trap that gas as a bubble. I suspect the same thing would happen if you painted the tank. Besides the discoloring over time, I suspect that's why basically all plastic tanks any more are just black, and there's a plastic "skin" over top the tank for the looks of the machine.

The wire diagrams are a pain to tell what's really going on. I like the Japanese company diagrams a bit better, generally speaking they show a table of what connects where in what state the switch is at.

Anyway, if you have a different diagram, I'm sure it would be interesting if you posted it to compare with the other one, also the source would be nice to know. Maybe some day I'll recreate the wire diagram with the correct normal states for the switches if I can find a way to confirm which way it should be. I'd think the push button is normally opened, and when pressed it makes contact, same setup as a starter push button. Defining the "normal" state of the push button is simple, but what is the "normal" state of something like an ignition switch, on or off lol.

I also noticed the wire diagram says it's for the Scrambler and early Trail Boss models. I'm pretty sure I have a service manual for the quads around. Yep, but it's not "that" old, 2003 Trail Boss so I suspect it might be a bit too new. Here's the rev limiter diagram from that machine though, don't see a green wire, but probably operates similar. Seems to support disconnecting it would disable the rev limiter. Also the power runs though a lot of switches, so possible there's a bad switch at some point, or maybe the override button is normally closed, but is no longer making contact (you could test it with a multi meter and see if you get an open/closed state at all).

https://i.gyazo.com/88d1c0c565a96083d7896d512f81fcbb.png

[Jd110]

This came out of the service manual:
https://uploads.tapatalk-cdn.com/20190804/5d86c530ce3bb6312d6c80fa94e7c42d.jpg
https://uploads.tapatalk-cdn.com/20190804/a7a346403b4a5b1632e707dbb632bf37.jpg


Cory, I actually ended up removing the limiter and button, altogether. At this point, I’m not really interested in it.
As for sticking to plastic tanks-yes I agree, I have heard that decal stickers won’t but haven’t tried another way.
I bought a 2-part, jb plastic weld glue I will test, eventually. I’m hoping to use just on either end.

[ps2fixer]

I see now in that wire diagram, the reverse override switch just disconnects the signal from the rev limiter box so it doesn't know it's in reverse. Interesting it's a normally closed switch, but on the diagram it makes sense atleast. Basically it's a +12v wire only powered when the machine is in reverse.

Just wondering, what brand of service manual is that? Diagram looks really similar to the Polaris manuals, but it doesn't have Polaris wrote on every page like the I was looking at before.

[Jd110]

It is a 400+ page, Polaris manual for many years and models. It was free, so here it is:
https://thequadconnection.com/Manuals/1985-1995%20Polaris%20Atv%20Service%20Manual%20Repair%2 0All%20Models.pdf


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[ps2fixer]

Oh cool, thanks for the link. I have the 96-98 version of that manual.