i have several questions...

[Russell 350X]

which is more reliable, a 85-86 250R or a 85-86 350X?
which would win in a drag race and top speed, 85-86 250R or a 85-86 350X?
how many gears do the 85-86 250R's and 350X's have?
what tires would be best for mud and snow?

just curious.

[350Xccelerator]

350x is more reliable b/c its 4stroke, the 250r would smoke the 350x in a race, they both have 6 gears, and im not sure about the tires.

[FullBore]

I don't know that much about the ATC's specifically but I'l have a bash...

The 350x should be more reliable being a 4 stroker, Ie not a stressed at a 2 stroke, the 250r should beat it in a drag, and I'd say 4 stroke in mud and snow because once a 2 stroke hits the pipe its off! you can feather the throttle on a 4 stroke and get lots of bottom end grunt.

Hope this helps.

Nat

[ATC crazy]

The X would be more relaible but you would have no problems w/ the R over the years too...
If the 2 machines are stock, then the X would be about 1-2mph faster on top speed but the R would kill it in acceleraion. The best tires for the machines are the ITP Spidertracks. The work well and look great too.

[NOS_350X]

crazy is right 250r's can be realy reliable but you have to do alot more maintince in changing the piston and rings before it blows and things like that

[TimSr]

I dont accept the notion that 4 strokes are more reliable than two strokes. That fallacy grew from the fact that two stroke top ends wear out faster than 4 stroke top ends, (a hard core rider may only get a couple of years between bore jobs) but that hardly makes them less reliable. 4 strokes have a LOT more moving parts, and are not nearly as simple, and the argument could easily be made that two strokes are more reliable than 4 strokes.

[350Xccelerator]

2 strokes are not more reliable than 4 strokes that's just the way it is.

[mudduck14843]

lmao just turn the page...theres another debate!!!! lol

[TimSr]

2 strokes are not more reliable than 4 strokes that's just the way it is.

LMAO!! Not a very persuaasive argument, but its certainly direct!

[86250RZ]

ATC Crazy....
If the 2 machines are stock, then the X would be about 1-2mph faster on top speed but the R would kill it in acceleraion.
I am 31 years old and have been around 3 wheelers since i was 5 and I have yet to see an 350X (my dad bought one new in 86 my bro has one now that is stock and one of my Rs is stock) out run a 250R no matter how far you race, And I have rode 3 differnt 350X's and a lot of Rs and have never got the sense of speed on a 350X that I get on an R, I can give my bro a huge head start on his X and I will still blow by him sonner than later, so I would have to dispute the notion that a 350X is faster on top than an R.

[86250RZ]

One thing i've noticed that has not been brought up in this 2 stoke 4 stroke debate. Lets just say 4 strokes are a little more reliable than 2 stokes there is one thing that can not be argued 2 strokes cost much less to rebuild than 4 strokes and even the novice mechanic can rebuild his own 2 stroke wich in turn saves you even more money. I personaly would rather have a 2 stroke because i can do all the work myself and I have also had good engine life out of all my 2 strokes and any of you guys that have rode a 2 stroke have to admit nothing can give you the adrenaline rush stock for stock like a 2 stroke can.

[J.D.]

You can say that again dude!(about the adrenaline 8) )

[MR ATC]

i bought my 85 ATC350X new and my 86 ATC250R and my 86 ATC350X new and still have them (except the 85 350X my wife just stole) and no way will a 350X beat a 250R acceleration or top speed

[TimSr]

Hey MrATC, in your experience with your three, have you noticed any significant difference in reliability, maintenance, and cylinder life between the three, aside from those youd obviously see in whatever is ridden the most?

[86250RZ]

AMEN Mr ATC

[86250RZ]

Amen Mr ATC!!!!!!! sorry for dubble post :oops:

[md1985250r]

as for.. r vs x...no contest
tires= spidertracs

[Trikeaholic]

The X would be more relaible but you would have no problems w/ the R over the years too...
If the 2 machines are stock, then the X would be about 1-2mph faster on top speed but the R would kill it in acceleraion. The best tires for the machines are the ITP Spidertracks. The work well and look great too.


spidertracks are the GAyEST tire ever invented. When I got my 86 200x, it had some on it, they were the first thing to go in the TRASH. A stupid, worthless tire, with an even stupider appearance. Mud bogger tires have absolutley NO place on a performance machine-PERIOD!

[md1985250r]

ROFLMFAO....NOBODY CAN OUTRUN ME WITH TURF TIRES SO I MAKE IT INTERESTING BY THROWING MUD IN THEIR FACE....LMAO :twisted: :twisted:

[MR ATC]

well in answer to Tim Sr. Question the 250R definatly goes through piston and rings faster then the 350X's...but when it comes time to rebuild a 350X motor its a LOT more money. the 350X seems to go through clutch plates faster then the 250R. as a rule i go through at least 1 set of piston and rings on my 250R a year and i've gotten 10 years out of a 350X piston. as far as cylider wear the R wears out much faster then the X's. but how i ride them and care for them has a lot to do with there reliability/wear charecteristics. my 250R is strickly a "race" trike i do not trail ride it at all. tracks only and at a high level off riding/abuse. my 350X's i use for play riding/trail riding and are not subject to the constant higher rpm's and hammering my R goes through. as far as care every time i ride my R it gets new high quality m/c-atv transmission fluid and 105oct. race gas mixed at 32:1. my X's get 92oct unleaded fuel and get the motor oil (again high quality non synthetic mc/atv oil) changed every 4 rides. as for reliability my X's have never broken down due to mechanical problems. i have seized my R once while riding it.

[ATC crazy]

ATC Crazy....
If the 2 machines are stock, then the X would be about 1-2mph faster on top speed but the R would kill it in acceleraion.
I am 31 years old and have been around 3 wheelers since i was 5 and I have yet to see an 350X (my dad bought one new in 86 my bro has one now that is stock and one of my Rs is stock) out run a 250R no matter how far you race, And I have rode 3 differnt 350X's and a lot of Rs and have never got the sense of speed on a 350X that I get on an R, I can give my bro a huge head start on his X and I will still blow by him sonner than later, so I would have to dispute the notion that a 350X is faster on top than an R.


i bought my 85 ATC350X new and my 86 ATC250R and my 86 ATC350X new and still have them (except the 85 350X my wife just stole) and no way will a 350X beat a 250R acceleration or top speed

I was just basing it on when my 2 brothers raced last summer. They had a '86 350X and an '86 250R, both stock, mint conditioned. They each weight about the same and have equal riding experience and the 350X would repetedly out run the R, even after switching machines several times. :rolleyes: Oh well...I guess its about how they are set up (jetting, riding elevation)

[MR ATC]

if the R is getting beat by the X then the R needs a top end job or some clutches...its just a matter of physics

350X 27 H.P. 320lbs 13/40 gearing
250R 38 H.P. 291lbs 13/37 gearing

cant escape physics

a 250R should be able to beat a 350X in 5th gear if it is running right

[ATC crazy]

He had a fairly new clutch on account I helped install it about a month before the race and it had plenty of compression. :? Well, it could be one of those freak, once-every-so-often thing???

[me]

I dont see why everone says two strokes are soooo un reliable. i think that there is only a slight difference in reliable. Anyways i would think that the R would win in a short race. I also would think the top speed would not matter as much because if there is only a 1-2mph difference then the race would have to be afully long to make that speed go to good use. ( iam sorry if i affended any one or their machines and i think that te are both great ! )