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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
1982 honda xr250r
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[QUOTE="Ol'89r, post: 1305585, member: 17212"] I really can't remember if the '82 has points or not. If your bike has points, set them at aprox .012" to .016" and then set the flywheel on the 'F' mark. Your points should break (open) when you reach the 'F' mark. If it does not have points your ignition timing is pre-set and cannot be changed. You will have a pulse generator coil inside of the right side cover. Make sure your pulse generator coil has not come loose and is in spec as far as ohm readings go. Also, check your camshaft. Those engine have no camshaft bearings. The camshaft runs directly on aluminum journals. These journals can become worn and allow the cam to move around. This will affect your valve clearance and if you have points, can change the point gap as the cam moves. Put the piston at tdc on the compression stroke and clamp a pair of vice grips on the end of the camshaft. Try moving the camshaft up and down. If you get any movement, your journals are worn out. If your cam chain is loose, adjust it by backing off the little bolt in the center of the left side cover until you hear the cam chain adjuster 'snap' against the cam chain guide. Then tighten it and tighten the lock nut. You should get a service manual if you don't already have one. It will give you all of the necessary specs for checking your electrical/ignition components and goes into detail on how to time your cam. [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
1982 honda xr250r
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