High-performance forged replacement piston kit engineered to restore top-end compression and crisp throttle response, matched to a Size B cylinder bore tolerance. Forged from high-tensile 2618 aluminum alloy for superior strength and durability under extreme RPM, featuring a friction-reducing Molybdenum Disulphide skirt coating for a faster break-in and extended component life.
Specs & Details
- Manufacturer Part Number: 175-23249B
- Brand Number: 23249B
- Component Type: Forged Replica Piston Kit (Includes forged piston, rings, wrist pin, and circlips)
- Size / Bore: Size B (66.34 mm)
- Material & Construction: High-strength forged 2618 aluminum alloy with T-6 heat treatment and MoS2 skirt coating
Two-Stroke Vehicle Fitment
| Make | Model | Engine Type | Year Range |
| Gas-Gas | EC 250 | Two-Stroke Off-Road / Enduro | 2002–2015 |
| Rieju | MR 250 Racing | Two-Stroke Off-Road / Enduro | 2021 |
| TM | EN 250 2T / MX 250 2T | Two-Stroke Off-Road / Motocross | 1996–1999 |
TSO Garage Note
A heavy-duty forged top-end upgrade built to handle the rigorous demands of hard enduro and off-road riding across multiple European platforms. The superior tensile strength of the 2618 alloy paired with the MoS2 skirt coating ensures exceptional reliability and thermal stability under aggressive loads.
