1999 - 2021
YAMAHA YZ 250
Piston kit 66 34mm
| Vertex
Fits to:
YAMAHA YZ 250 [2019 - 2021]
YAMAHA YZ 250 [1999 - 2017]
YAMAHA YZ 250 [1999 - 2018]
Specifications
| Manufacturer | Vertex |
|---|---|
| Piston diameter | 66.34 mm |
| Bore size | 66,40 mm |
| Displacement | 250 cc |
| Style | Forged Race |
| Units | Kit |
| Engine type | 2-Stroke |
| Piston material | Aluminum Alloy| Forged |
| Piston size | Standard Size A |
| Skirt coating | Moly Coated |
| Ring material | Nitride Coated |
Product description
Pro-Race – Forged piston developed with Vertex technology and race shape profile 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
Kits include piston, rings, wrist pin and circlips
Replacement two-stroke piston rings sold individually; four stroke piston rings sold as a set