87 88 89 TRX250R Ported Cylinder Porting Port Polish Piston Top End Rebuild Kit

NEED TECH SUPPORT? CONTACT US! SE HABLA ESPANOL!

Used OEM Cylinder 

Sandblasted, full race ported & polished, bored, and diamond honed

Intake, exhaust, and transfer ports all worked using the dyno and race-tested specs, by our techs with over 50 years combined experience porting every cylinder and head made

New Wiseco or Wossner forged piston

Nitrite-coated piston rings

Chrome wrist pin

Circlips

New Cometic Top-End Gasket Kit

Compatible with all ‘85-86 ATC250R and ‘87-89 TRX250R models

1-year warranty*

*Cylinder availability can sometimes be limited, and when this happens the bore size may vary from +.50-+1.50mm over stock. Please consider this before ordering.

BRAPPPPPPPPPP!