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YZ250 Timing

Joined
Apr 2, 2005
Messages
73
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#1
Hey Guys. Finally got parts and got my rebuild done. for some reason my stator was no longer attached to my bike.

Reading over the manual basically says put the engine to 7 thou BTDC and line up the marks (mag and stator).

I noticed this was about 2-3 mm off the marks where I can see it was set before, and it always seemed to run fine. I moved the stator plate in the CCW direction, essentially retarding the timing slightly as I understand.

I'm just nervous about this procedure and wondering if i should go back to the previous setting, or if i am over complicating it. We didn't have the dial shaft, so we used a dial indicator on an arm magnetized to the frame. We took like 2 hours getting it exactly perfect.

I guess for that little adjustment there shouldn't be much difference anyway?


Thanks in advance for the help,
SDR800
 
Joined
Oct 17, 2006
Messages
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#2
i would go with what the manual says if yer really trippin about it you can always give Yamaha Serive Dept a call and ask them what they think i have pretty much made friends down at my yamaha dealer cuz im down there so often asking questions and double checking stuff