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There might be a problem with the exhaust being partialy blocked
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What is a good alternative to a TY 175 fork, I know many replace them with TY 250 fork but since there so few of them avalable maybe there is an alternative that does not require me to sell my home to buy
Guy
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I modified the frame of an A model to Majesty spec a few years back. I think that the first thing to do is find a straight frame than build a jig.
I'm sure you will find very good advise on this site.
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It sure look like an original 434 head with a modification made in an unconventional way. if it work, use it. The original plug wire must be short.
Guy
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If I remember correctly, Yamaha made a version of the TY 434 to be use on farm i.e. more trail oriented. Does it have the foward footrest ?
Guy
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Are you in North America?
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I've use fiberglass and plastic gard on a dirt track bike without any problem
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I'm surprise that no one ask: Have you tried any of them? Is there one that you feel better ridding?
Guy
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I forgot, the chain of a trials bike doesn't very hot when riding, I think that it's the reason why the ATF work for me.
Guy
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For half of a century, I've used ATF to lube the chain. After a ride I wash the bike than I generously lube with ATF, I wipe of the chain before leaving for the next ride. I found the lightness of the oil penetrate the rollers and push the mud out. Only thing, don't forget to put something under the bike.
Guy
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I do agree with you Jon v8 that the Mikuni that come '' stock '' on TY are the best and I would never swap one for another make unless the original was worn out and I would not be able to find another original TY Mikuni, but the Mikuni VM are not the ideal replacement for a TY 250 in my opinion.
Guy
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A few years back, I replace a TK carb on a model 434 by a VM32, I never could make it running well. I'm not saying that I'm a Mikuni engeneer but I know my way around them, if you don't find a rebuld kit, you should consider OKO. The comment are very good.
Guy
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Are they still avalable ?
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1st : FIT !!!!! the rest is up to you
Guy
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When I use ATF to try to improve a clutch, I change the oil after acouple of hour of riding 2 or 3 times before deciding if I need to change the plates, sometime it work sometime.......
Guy
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I would check the air filter and exhaust first.
Guy
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Where are you located ?
Guy
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I think that it throttle response is a personnal thing, for me no weight at all on the flywheel of my TY with an A model cylinder is the way I like, yes quick response but also the motor '' rev down '' faster when you shut the throttle. I have to say that I ride more in the mountain than I run trials event.
Guy
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I have one question, is the sole of your boots flat on the peg when you ride?
Guy
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I remember Mick Andrews telling me he also set up is bike without idle speed
Guy
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Is the cable install correctly, well seated on top of the carb and at the handle bar
Guy
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How much travel do you need from the pedal to get the brake working
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Here in Canada The A model had the sidestand on the left and the bracket was welded to the frame, on all the other TS it was on the right side of the bike and attatch to the swingharm.
Guy
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I had NJB on my TY for 5 or 6 years, no complaints
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