Wiseco PK1159 Top End Kit - 0.50mm Oversize to 40.50mm

Bore: 40.50mm
Sizing: 0.50mm Oversize

SPECIFICATIONS.
Displacement: 51cc.
Bore - Standard: 40.00mm.
Bore - Actual: 40.50mm.
Bore - Oversize: 0.50mm.
Stroke: 39.20mm.
Cylinders: 1.
ITEM CONTENTS.
1594CD - 40.50 mm Ring Set.
653M04050 - Yamaha PW50 83-15 1594CD.
B1084 - Top End Bearing 10 x 14 x 12.5mm.
CW10 - ROUND WIRE PIN LOCKS 10MM (PAIR).
S630 - PistonPin 10 x 32.9mm NonChromed SW.
W5531 - TopEnd Gskt Kit Yamaha PW50 85-15.

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:

1981-2009 Yamaha PW50
2012-2024 Yamaha PW50