Clinician
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Post by taterlove on Sept 21, 2015 22:53:23 GMT -6
Thanks! I'd checked the woodruff key in times past and it was tight, but I looked at the keyway on the Flywheel tonight and, comparing it to the keyway on one used as an ashtray, it appears to be larger. I'll try swapping that out with a good one tomorrow and see if that's been the problem. If not, I'm going to put this fellow's components onto a good block I've got just so the owner can ride... Also, from what I'm seeing in the image online for new timing sprockets, they are cogged, so there's little chance for that to have gotten out of sync. Whatever the problem is, it sure has kept me stumped! I'll post what I discover. Again, thanks!
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Clinician
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Post by taterlove on Sept 21, 2015 15:13:15 GMT -6
Is the timing chain sprocket welded-on/machined-in to the crank? I've been questioning th possibility that it's "spun" for a while now because I've gone through engine "A" top to bottom (haven't split the cases yet) and it still won't fire. I can take the stator, carb, head, etc., off of it and place it all on engine "B", set that next to scooter, hook up to the wiring and that engine runs...?
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Clinician
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Post by taterlove on Sept 20, 2015 16:00:55 GMT -6
Actually, my replacement is bent just the opposite from yours, but it only fits one way so maybe it's not all too important?
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Clinician
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Post by taterlove on Sept 20, 2015 15:47:09 GMT -6
Thanks! yes... "duh, the only way it really fits!" ?
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Clinician
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Post by taterlove on Sept 20, 2015 15:33:08 GMT -6
Replacing the head on a gy6-50 and the new gasket has reliefs bent into it...anybody know if the raised portion (which the bulk of the gasket field possesses) should face the cylinder or the head, or does it even matter?
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