Wiseco PK1198 Top End Kit - Standard Bore 66.40mm

Bore: 66.40mm
Compression: Standard Compression
Sizing: Standard Bore

SPECIFICATIONS.
Displacement: 249cc.
Bore - Standard: 66.4mm.
Bore - Actual: 66.40mm.
Bore - Oversize: STD.
Stroke: 72.00mm.
Cylinders: 1.
Skirt Coating: ArmorGlide.
Note: Pro-Lite.
Note: Ceramic Composite Bore.
ITEM CONTENTS.
2614CD - 66.40 mm Ring Set.
804M06640 - Yamaha YZ250 99-17 ProLite 2614CD.
B1003 - Top End Bearing 18 x 22 x 21.8mm.
CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR).
S508 - PistonPin 18mm x 2.106in. NonChromed TW.
W5978 - TopEnd Gasket Kit Yamaha YZ250 02-17.

Contains all the necessary components for overboring or rebuilding your top end. Feature forged pistons, rings, wrist pins, circlips and top end gasket set.

Vehicle Fitment:

1999-2024 Yamaha YZ250
2022-2023 Yamaha YZ250 Monster Energy Yamaha Racing Edition
2016-2024 Yamaha YZ250X