Features:
- Most Wiseco 2-cycle pistons are forged from high-silicone bar stock
 - Greater strength and lower expansion at high temperatures
 - Complete piston kits include High-Performance forged pistons, rings, wrist pins, circlips and top-end gasket kit for one complete engine
 - All Wiseco High-Performance pistons are priced with rings, wrist pins and circlips
 - Wiseco ring types are not interchangeable (i.e., CD is not interchangeable with LC) and fit only Wiseco pistons
 - WARNING: Wiseco pistons can be fitted only with Wiseco rings.
 
Specifications:
- Product Name: Rebuild Kit
 - Type: Top End
 - Piston Material: Aluminum / Forged
 - Bore Size: 76.50 mm
 - Bore - Oversize: +0,050"
 - Bore Oversize: +0.050"
 - Displacement: 643 cc
 - Units: Kit
 - Riding Style: Watercraft
 
Fitment:
| Year | Make | Model | 
| 1989 | Kawasaki | JB 650 A Jet Mate | 
| 1990 | Kawasaki | JB 650 A Jet Mate | 
| 1991 | Kawasaki | JB 650 A Jet Mate | 
| 1992 | Kawasaki | JB 650 A Jet Mate | 
- Availability:
 - STG Part Number:
 - W|2457-WK1017|0
 - Manufacturer's Part Number:
 - 8