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Dirt Bike Brands - Other
Seized 93cr250, Tony91 or anyone else
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[QUOTE="capt hookleg, post: 701732, member: 23523"] Any vertical play in the rod from the crankshaft is not good. You will need to rebuild/replace the crankshaft and rod. Plan on replacing the main bearings and seals at the same time. One thing to look into is the aftermarket complete crankshafts from Wiseco, ready to install. Some deals can be found on different parts warehouses ie rocky mountain M/C. Splitting the cases isn't too bad. Buy a good service manual, and you will need a puller to remove the crankcase from the crank. I have use a dampener puller for an automobile, You will have to find some long metric bolts, or make your own from 1/4" bolts. When installing the crank, place it in the freezer for a few hours in a plastic bag and heat the main bearing with a heat gun or wifey's hair dryer. It will drop into place without having to hammer on the crank, this will help to keep it more true. The same thing will work when installing the main bearing into the crank halves. Freeze the bearings and heat the crank half. Good luck. [/QUOTE]
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Forums
Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
Seized 93cr250, Tony91 or anyone else
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