350x performance

[toyvette81]

what are some up-grades for this bike.. i have a dg pipe and a stock 138 jet and this weekend i beat a 05 raptor 660 that was obliterating 400ex's and every other sport quad out there, this just makes me want it to go faster any good ideas? and how about that small air intake on this bike, is there any performance options for ths intake besides cutting the frame out to make those intake holes a little bigger? they cant possibly suck much air in the 2 holes are as big as the eraser on a pencil... it was so dusty this wekend it was impossible to see behind 1 atv at this park..... at the end of the day my filter was as clean as could be, every1 elses was filthy, i imagine b/c mine does not suck much air...?

[BIGCRIP28]

take off your airbox cover, or maybe you can find a filter that clamps directly to the carb.

[Old 179]

Stock jetting? Normally with a pipe and after market air filter you would go up on the main jet,and drop the needle one notch. I like to use 92 octane gas also.

[toyvette81]

yeah i only run 93 octane gas, yes lean is faster but also hotter, it may actually loose some speed wtih a bigger jet, i have a 142 to put in but i dont think i will, since i smoked a 05 raptor 660 with a pipe

[Old 179]

Take plug reading , I bet it's running lean. Correct jet will not slow you down. Try the 142 ,I bet it not enough. I Never fooled with 350x jetting, but I would think 400ex carb jetting reaction would be similar ( I know needles,jets # are different) My 2 400 ex's pull good with correct jetting. I'm sure somebody on this site has same setup as yours, They are the ones to talk to!

[Old 179]

Oh forgot to mention I put a Hooker Header on my new 1979 110 atc honda that summer(1979) and had to rejet the carb. Mess with jetting ever since.I know enough to get real close(on the models i've owned) but not enough as some of our members.

[toyvette81]

well i did a plug reading and it looks too rich to run.. it honestly looks like i stuck the end of the plug in water then stuck it into charcoal dust,, why is it like this? with a stock 138 jet and a dg pipe, it has not been drilled out, this sut wipes off easily, but is still a rich plug underneath the sut.

[AirManCam]

First off, stop your bs about you smoking an 05 raptor, it wont happen with just a pipe..trust me. Now, to help you out here. Are you sure that the jet is stock? I know When I piped, airfiltered mine I rode it a bit worrying about the jetting, but it was fine, and I Got the correct jet from "banned and nameless" and put it in only to find that my "stock" carb had a 145 main jet in it.

[toyvette81]

i had to fix my carb to get it running so i know what jet is in it and can tell it has not been drilled

[old honda dealr]

Actually a good running 85-86 350x will outrun a new raptor. Raptor are pathetic and slow and not geared to run a 350x in the short haul. Now long haul is a different story. But short run no trouble for a good rider on a good running machine to outrun. And yes I have ridden BOTH on more than a few occasions. Power to weight ratio just eats that extra horsepower up. I have been riding 3-wheelers for more then almost 25 years and I have rode lots and lots of bikes. And I can tell you that these 2 bikes are very close in a race but a good pair of riders on both machines will prove that the 350x is just a little faster until it tops out.

[toyvette81]

THANK YOU SO MUCH!! i knew it was no fluke thats Exactly how the race went. and exactly how i explained it to the ignorant ******** on here that think im full of bs... i pulled him until absolute top end... i beat him in about a 500 or so ft race... when we kept on going he would pull up behind me and we stayed there for a long time please tell that to OldSchoolin86,NOS_350X and a few others & read this thread "350x 452 KIT & performance" i explained to them about the power to weight of these 2 bikes they dont comprehend

[Old 179]

Hey! I wasn"t included in that ig**** was I? I just question stock jetting with what you had!

[AirManCam]

Actually a good running 85-86 350x will outrun a new raptor. Raptor are pathetic and slow and not geared to run a 350x in the short haul. Now long haul is a different story. But short run no trouble for a good rider on a good running machine to outrun. And yes I have ridden BOTH on more than a few occasions. Power to weight ratio just eats that extra horsepower up. I have been riding 3-wheelers for more then almost 25 years and I have rode lots and lots of bikes. And I can tell you that these 2 bikes are very close in a race but a good pair of riders on both machines will prove that the 350x is just a little faster until it tops out.
No, you sir are pathetic. I recently OWNED BOTH . And if raptors are so pathetic and slow and not geared to run a 350x in the short haul, how come my 350 gets SMOKED by a z400 and I'm the BETTER rider, and my raptor smoked the z400 and the 350x. ****, I could give the X 10 bike lengths, and still catch up by 3rd gear in the raptor. Haha, this isnt even worth arguing over, 99% of us know that a piped, filter, and jetted raptor along with the same for an X will walk all over the X HANDS DOWN :w00t:

[SpeedBump]

I wrote a big long drawn out comparison using a bunch of numbers and figures to show the actual HP/weight ratios, along with some explainations and then I sat there and thought about somethin. No matter what I write, somebody is gonna call BS and NOT believe it. Show me YOUR proof you have of beating these machines. I got video of MYSELF racing a stocker 350X and also some video of one piped (SeaDoo this past weekend). I know what the times and MPH are, and so does anyone else that has every raced at a real drag strip with timing lights and electronics to verify this. A stock Raptor will STOMP on a 350X, be it stock, or slightly modded. Take a minute and go over to www.350xriders.com and check out the video clips of me racing his trike. That Z400 got beat, sure, but what you don't see over there are clips of a Raptor and YFZ450 STOMPIN on the Z. You guys may be winnin races with 2 machines lined up and somebody deciding to GO...NOT an even race.....but that isn't real life...My brothers own both of these machines....New Raptor, and a basically new 350X...the X gets STOMPED BAD! Doesn't matter who is riding which machine, same outcome....Raptor by a bunch. One request, post up your ages along with your comments.

[old honda dealr]

I need to apologize for my previous post. I should have red it a little more carefully. I did not see that it said a 660 I was still Assuming (yes I know and I am sorry) That we were talking about a 350 raptor and a 350x. Against the 660cc raptor I do not think that the 350x would win. My apologies. And my age is 28 But I was raised in a honda dealership Have probably more experience then MOST (not all) of the people on this board. Started riding in 81 and on a 79 110 since then I have not stopped riding 3 wheelers. I absolutely hate 4 wheels with a passion. Frickin 3 point turn pieces of ****. Next time I will read more carefully. All I can say is that I looked over it being a 660

[NOS_350X]

And my age is 28 But I was raised in a honda dealership Have probably more experience then MOST (not all) of the people on this board.


Them be fightin words, and i HIGHLY doubt that your even close to the most intelligent one on here. Just another cocky kid, like we all where at one point in time.

Toyvette, can you pass whatever it is your smoking because i want a hit of that. I want my X to be that much faster with just a crappy pipe.

[old honda dealr]

Don't feel that needs a response. You have just made yourself look bad enough. Don't need to reply to such childish responses.

[OldSchoolin86]

Don't feel that needs a response. You have just made yourself look bad enough. Don't need to reply to such childish responses.
You did just respond and he's probably right. You may know how to wrench but to openly put yourself on the top of the intelligence list was cocky and uncalled for. The ones that know the most will never brag about it like you just tried to.

[Blown 331]

Actually a good running 85-86 350x will outrun a new raptor. Raptor are pathetic and slow and not geared to run a 350x in the short haul. Now long haul is a different story. But short run no trouble for a good rider on a good running machine to outrun. And yes I have ridden BOTH on more than a few occasions. Power to weight ratio just eats that extra horsepower up. I have been riding 3-wheelers for more then almost 25 years and I have rode lots and lots of bikes. And I can tell you that these 2 bikes are very close in a race but a good pair of riders on both machines will prove that the 350x is just a little faster until it tops out.


I need to apologize for my previous post. I should have red it a little more carefully. I did not see that it said a 660 I was still Assuming (yes I know and I am sorry) That we were talking about a 350 raptor and a 350x. Against the 660cc raptor I do not think that the 350x would win. My apologies. And my age is 28 But I was raised in a honda dealership Have probably more experience then MOST (not all) of the people on this board. Started riding in 81 and on a 79 110 since then I have not stopped riding 3 wheelers. I absolutely hate 4 wheels with a passion. Frickin 3 point turn pieces of ****. Next time I will read more carefully. All I can say is that I looked over it being a 660 .

So you think a 350 Raptor has more power than a 350X and will catch a 350X on top end? Isn't the 350 Raptor basically a Warrior motor? I don't think a Warrior is a match for a 350X at any speed.