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Bottom End Question

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I have a 2002 CR250.Im getting the dealer to put a new top end in it.I was just wondering when do you do a bottom end.Or do you wait for it to blow.lol

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When you get any radial play in the crank bearings or when the side clearance on the connecting rod big end becomes excessive. Do these checks every piston. Bottom ends generally hold up for many piston changes.

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