PISTON KIT 86-88 YZ125 57.00, WISECO 559M05700 Pro-Lite

Part No. 56-W559+100_WI (oro2u.com)
YAMAHA MX YZ125 1986 – 1988,
Wiseco Pro-Lite Piston Assembly – 559M05700
Durability, longevity and increased horsepower Innovative forging design and piston skirt provide maximum horsepower and torque

Lightweight wrist pins enable faster revs and quicker throttle response Power valve must be modified for .040 and larger Top-End bearing available-part no. B1016
Two CW16 Circlips One S514 Wrist Pin
Our pistons, rings and kits are sold by application and bore

size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service.