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Yamaha MX & Off-Road Dirt Bikes
'01 YZ250 Cylinder Suction Pipe?
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[QUOTE="SteveTroi, post: 1188138, member: 74104"] [b]01 YZ250 Power Valve Re-Assembly[/b] I consulted the DRN link above and it led to some very interesting reading, but now I'm a little more nervous. I dismantled and cleaned up my power valve assembly real nice and plan to reassemble with all the textbook lubes in place. Good news is that I did not find any breakage, especially no ugly broken main valve. Based on the above thread, I have a couple questions: 1. How was bclapham able to see that his valve was not moving in proper calibration with the the exhaust ports and moving into the flow? Is this done only by twitching shaft back and forth by hand? I just want to confirm once again that there is no real way to see this mechanism move under crank control? 2. As for re-assembly, I guess it's just bolt back together as the shop manual instructs and go? There's no calibration required, correct? I'm just afraid I'll create some problem that did not exist previously! This all started just as a project to de-gunk the mechanism and I don't want to find myself into the chronic PV problems others have had! Please tell me its gonna be OK !! :cool: [/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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