Vertex

0910-1962

Vertex Piston Kit (269cc Big Bore) - 3.00mm Oversize to 79.98mm, 12.5:1 Compression 23129C

Pistons

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
Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston
Forged pistons are forged from 2618 aluminum for superior strength and durability
Forged High Compression pistons improve power and torque across entire rpm range

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
Cast piston kits are gravity cast aluminum alloy (not forged) with 18% silicone content, which produces an extremely light but very strong piston
Forged pistons are forged from 2618 aluminum for superior strength and durability
Forged High Compression pistons improve power and torque across entire rpm range
Big Bore pistons increase engines displacement, torque, and peak horsepower
Forged Replica pistons are forged OE replacements
Replica pistons and all rings are OEM replacements
Kits include piston, rings, wrist pin and circlips


This Item Fits the Following Applications:
2005-2007 Yamaha YZ250F
2001-2013 Yamaha WR250F


1992 Yamaha FZR 600 Tachometer
Taylor Cable 918131 Ignition Rotor
Mix me 2551