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Yamaha MX & Off-Road Dirt Bikes
'01 YZ250 Cylinder Suction Pipe?
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[QUOTE="SteveTroi, post: 1187645, member: 74104"] Thank you for the overview, very helpful!! I'm becoming familiar with this mechanism since I've just torn it down and will begin dismantling the powervalves for cleaning tonight. A couple remaining questions: Is it safe to say that with the engine on the bench, and when manually cranking the kick starter and watching the valves that you will not see the mechanism move, since RM_guy mentions that the movement is based on engine RPM? With the linkage separated from the power valve shaft, I can turn it and see the mechanism rotate fine - but very,very dirty! Also, when you mention "prone to fracture", where should I look, will I see a crack or something noticeable on the main valve? Thanks Again! [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
'01 YZ250 Cylinder Suction Pipe?
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