Piston Kit pro Big Bore

Pro-BB – Forged piston in original OE form for big bore cylinder
All pistons are heat-treated with a T-5 hardening and tempering cycle

All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life

Forged pistons are forged from 2618 aluminum for superior strength and durability

Big Bore pistons increase engine’s displacement, torque, and peak horsepower

Kits include piston, rings, wrist pin and circlips

Replacement two-stroke piston rings sold individually
four stroke piston rings sold as a set

BORE SIZE	81,00 mm
COMPRESSION RATIO	13,9:1
DISPLACEMENT	263 cc
ENGINE TYPE	4-Stroke
PISTON DIAMETER	80,97 mm
PISTON MATERIAL	Aluminum Alloy| Forged
PISTON SIZE	Standard Size B
PRODUCT NAME	Piston Kit
RING MATERIAL	Moly Coated| Nitride Coated
SKIRT COATING	Moly Coated
STYLE	Forged Big Bore
UNITS	Kit