Question about Motorcycles
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Posted on Jan 02, 2017
with the cylinder set at top dead center compression. using a feeler gauge between the tappets and the valves there should be .002-.003in clearance on the intake valves, and .006-.007in. clearance on the exhaust valves. thank you.
Posted on Mar 24, 2009
first you need to remove everything that covers your valve covers(gas tank etc.) remove the intake valve cover,and the rotor nut and timing plug.set the engine a t.d.c.(top dead center)fit a socket onto the rotor nut and turn it counterclockwise until the"I" mark appears align it with the index mark in the timing hole.use a flat feeler gauge between the top of the valve and the adjuster.loosen the locknut and turn the adjuster just until you feel resistance on the feeler guage.hold the adjuster and tighten the lock nut down.i can not tell you the min.clearance spec to your quad since i have a 660 raptor.try using the smallest clearance number.
Posted on Apr 25, 2009
adjustment of valve reasonably simple, remove tappet covers, remove small bung from mag cover top and rotate engine until you are able to see a capital T on the flywheel, providing whist you rotated engine it was on the correct stroke the inlet valve should have just closed when you saw the T. this is the correct stroke. loosen tappets lock nuts, adjust the tappets so you can just move it with your fingers, if your want to get technical the clearances between tappet and valve should be about .05mm
Posted on Apr 26, 2009
it is a simple fix. you can get the specs from your local dealers parts person. and the valves are under two caps on the top of the jug. the caps have two small allen screws holding them on. just remove the caps, you will see the top of the valves, there is a small jam nut with the top of the adjuster sticking out. it has a small slot in it. loosen the jam nut, then check the clearance with feeler gauge. turn the center of the adjuster with the slot in it with a small flat screw driver to adjust the clearance. then tighten the jam nut. if you have any experience working on engines this will be a simple thing for you to do.
Posted on Aug 01, 2009
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