High-performance gravity-cast replacement piston kit engineered to restore top-end compression and crisp throttle response on overbored big-bore cylinders. Manufactured from a high-silicone aluminum alloy with a friction-reducing Molybdenum Disulphide skirt coating for a faster break-in and extended component life.
Specs & Details
- Manufacturer Part Number: 175-2244705
- Brand Number: 22447050
- Component Type: Cast Replica Piston Kit (Includes overbore piston, rings, wrist pin, and circlips)
- Size / Bore: +0.50 mm Overbore (89.45 mm)
- Material & Construction: Gravity-cast high-silicone aluminum alloy with T-5 heat treatment and MoS2 skirt coating
Two-Stroke Vehicle Fitment
| Make | Model | Engine Type | Year Range |
| Honda | CR500R | Two-Stroke Open-Class Motocross / Off-Road | 1985–2001 |
TSO Garage Note
An essential top-end refresh component for breathing new life into a bored-out legendary Honda CR500R powerhouse. The +0.50 mm gravity-cast profile and coated skirt ensure correct thermal expansion, tight clearance control, and maximum reliability across the entire 1985-2001 air-shrouded production span.
