Refresh your two-stroke mini-motocross bike with this comprehensive top-end rebuild kit engineered specifically for Kawasaki KX85 engines. This kit features a high-performance single-ring performance piston matched to a Size B standard bore tolerance (48.45mm) along with a complete top-end gasket set to ensure correct squish, reliable sealing, and crisp throttle response. Built from premium gravity-cast high-silicone aluminum alloy with Molybdenum Disulphide skirt coatings, the piston minimizes friction and wear for a fast break-in and extended service life. Ideal for routine overhauls across model years 2001 through 2013.
Specs & Details
- Manufacturer Part Number: 174-23637B
- Brand Number: VTK23637B
- Component Type: Top End Rebuild Kit (Includes single-ring piston, ring, wrist pin, circlips, and top-end gaskets)
- Size / Bore: Size B / Standard (48.45 mm)
Two-Stroke Vehicle Fitment
| Make | Model | Engine Type | Year Range |
| Kawasaki | KX85 | Two-Stroke Youth Motocross | 2001–2013 |
TSO Garage Note
The ultimate all-in-one solution for doing a proper top-end refresh on Kawasaki KX85 platforms. Pairing a matched Size B single-ring performance piston with a comprehensive gasket set ensures proper squish, zero leaks, and sharp power delivery right out of the gate.
