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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ 125 Timing, Need help!!!!
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[QUOTE="Uchytil, post: 1418164, member: 43803"] I'm sure you intalled the woodruff key and it's flat surface was engaged with the rotor? If so, and the piston is a TDC, the marks should be close but not aligned. The actual timing is somewhere around 0.52mm BTDC (but don't quote me - use the shop manual you have). After you set the actual timing with a dial guage you loosen the stator screws and then align the mark on the stator and the mark on the rotor by moving the stator. Statr over and see what happens. If it were me I'd stick the piston and cylinder on and use a dial guage (after checking the woodruff key). [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
YZ 125 Timing, Need help!!!!
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