I've just stripped my MX6 engine apart with a view towards replacing the rod/crankpin etc., and I was wondering has anyone found any other bikes from which to...
Well it would need to be another rotax engine which limits you. SWM is one make but should be very many of those around, armstrong, Puch used rotax a few...
Hi Keith, Why does it need to be another Rotax engine ? But assuming that there's nothing else that happens to fit, then I'll need to go original Rotax, and if...
For my edification, the 125, 175 and 250 frames were identical and the only thing different from on size to another is the swingarm length? ... the 125/175 are...
I don't know - I'm asking. My questions are 1) are the 73/74 frames all the same regardless of displacement? if the answer is yes, then 2) are the swingarm...
Absolutely, the rotary engines are identical on the outside (engine mounts etc) only the exhaust is different. I have a 175 engine in my MX-3 250 right now for...
Hello Group; I don't post here much, mainly because I haven't gotten to my '79 250 Qualifier project yet. But in the mean time, I've come across a '75 TNT 175...
Steve  I checked my parts books & the frames on the 73 & 74 were not the same the engines, swingarms & front ends are interchangable.   The 73 frame had...
Thank you Clair - I have a 125 motor and a 250 motor - what I think I understand is that I could buy say a 73 frame, and use either motor in it - concur? ...
you needing a 250 motor Britt? ________________________________ From: Britt Boyette <rcsubs@...> To: can-ammotorcycles@yahoogroups.com Sent: Wednesday,...
... Hi Dan, Maybe the clutch is just stuck together like most of them do if sitting for long. Were you able to find neutral? There is some "slop" on the ...
Correct. There are detail differences in the brackets like I said, but essentially they are all the same, the swing arms are the biggest differences from one...
Steve you should be able to use a 125 or 250 in a 73 frame the only problem you might have is mounting a exhaust system. ________________________________ From:...
Someday I will. Just need to get by this current economic crunch first. Why, would happen to have a extra 250 holding a door open somewhere in your shop...
I also think there are other differences between the MX1 frames and the T'NT and MX2 design. I believe the airbox/seat/rear fender configuration is different...
The Jemco exhaust will fit any bike MX-1 through MX-3 and all of the TNTs but it isnt cheap at $230+. Brian ... From: Clair Beaver <clair.beaver@...>...
Hey Dan, Keith here. Those engines were as close to bullet proof as you could get. sounds like a nice shape bike. May only need the clutch plates freed up...
Thats right, it doesnt look different but the air filter pan wont fit correctly from MX-1 to MX-2. Just to clear it up because I was kind of confusing with...
Yup, and the guys I have talked to that use that pipe say it makes the already fast 250 into a top fuel dragster, especially on the top end. Brian ... From:...
They might make a 125/175 pipe but the only one I have seen is the 250. Its an up pipe like an MX-3. Circle F makes basically the same pipe for the 125/175. ...
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