Wiseco WK1029 Top End Kit (307cc) - 1.50mm Oversize to 77.50mm Bore

Bore: 77.50mm
Sizing: 1.50mm Oversize

SPECIFICATIONS.
Displacement: 307cc.
Bore - Standard: 76.00mm.
Bore - Actual: 77.50mm.
Bore - Oversize: 1.50mm.
Stroke: 64.90mm.
Cylinders: 1.
Note: Crankcase cleanup req.
ITEM CONTENTS.
3051TD - 77.50 mm Ring Set.
549M07750 - Kawasaki JS300/650 ProLite 3051TD.
CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR).
S513 - PistonPin 18mm x 2.303in. NonChromed TW.
W5291 - TopEnd Gskt Kit 300cc Kaw Jetski.

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:

1986-1988 Kawasaki JS300
1987-1991 Kawasaki JS300 300SX