2014 - 2020
HONDA CRF 250 R
Piston kit (pro big bore)
| Vertex
Fits to:
RED MOTO CRF 250 R Motocross [2019 - 2020
RED MOTO CRF 250 R Enduro [2014 - 2018
HONDA CRF 250 R [2018 - 2018]
HONDA CRF 250 R [2018 - 2019]
Specifications
| Manufacturer | Vertex |
|---|---|
| Bore size | 81,00 mm |
| Displacement | 263 cc |
| Compression ratio | 13,9:1 |
| Style | Forged Big Bore |
| Units | Kit |
| Engine type | 4-Stroke |
| Piston material | Aluminum Alloy| Forged |
| Piston size | Standard Size A |
| Skirt coating | Moly Coated |
| Ring material | Moly Coated| Nitride Coated |
| Piston diameter | 80.96 mm |
Product description
Pro-BB – Forged piston in original OE form for big bore cylinder All pistons are heat-treated with a T-5 hardening and tempering cycle
All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
Forged pistons are forged from 2618 aluminum for superior strength and durability
Big Bore pistons increase engine’s displacement, torque, and peak horsepower
Kits include piston, rings, wrist pin and circlips
Replacement two-stroke piston rings sold individually; four stroke piston rings sold as a set