Seller notes

This is a new L.A. Sleeve Forged piston kit for the original Honda and PRO-X ATC-250R 85-86, TRX-250R 87-89 BIG BORE to 310cc, 2-Stroke. The kit is supplied with the big bore 72.00mm size (with clearance fit) piston, rings, wrist pin, clips. This would be the the original standard big bore size. The standard bore size for the ATC-295R to TRX-310R is 72.00mm. CHECK YOUR BORE SIZE BEFORE ORDERING!! Your Honda cylinder must already have the big bore kit already installed to use this piston kit. (Ye...

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