Wiseco PK1157 Top End Kit - Standard Bore 40.00mm

Bore: 40.00mm
Sizing: Standard Bore

SPECIFICATIONS.
Displacement: 49cc.
Bore - Standard: 40.00mm.
Bore - Actual: 40.00mm.
Bore - Oversize: STD.
Stroke: 39.20mm.
Cylinders: 1.
ITEM CONTENTS.
1574CD - 40.00 mm Ring Set.
653M04000 - Yamaha PW50 83-15 1574CD.
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