Honda Trx250r 250r To 295 300 310 Big Bore Piston Kit+gasket 73.00mm Honda Cyl

  
This is a new L. Sleeve piston + gasket kit for the original Honda cylinder ATC-250R 85-86, TRX-250R 87-89 BIG BORE to 310cc, 2-Stroke. The kit is supplied with the big bore+.

040, 4th oversize 73.00mm size piston, rings, wrist pin, clips. The standard bore size for the ATC-295R to TRX-310R is 72.00mm. This piston kit is the big bore size to fit a 73.00mm bore. FIRST THING TO DO: CHECK YOUR BORE SIZE BEFORE ORDERING! Your Honda cylinder must already have the big bore kit already installed to use this piston kit.

Year model 87-89 uses a. 190 base plate with this piston. The Big Bore started at 72mm. A qualified machine shop is required to bore or hone your cylinder to fit the piston.

Note: Picture is the exact model, you will receive when ordering the following. 1 each piston kit part# W845P4 and gasket part# GS845. Identification reference: This piston and gasket is for the original Honda cylinder that has already been big bored to the 310. Some call it the 300 or 295.

This piston fits 73.00mm bore.