Description
Upgrade your Yamaha YZ250 with this Moose Offroad Cylinder featuring a 66.40 mm bore. Precision diamond honed to exact bore dimension and proper surface finish for optimal ring and oil retention. The durable, low-friction bore surface ensures excellent heat dissipation. Constructed from cast aluminum and nickel-silicon carbide plated, this cylinder offers a stock OEM appearance and is made in the USA. Ideal for replacing your damaged or worn cylinder.
- Precision diamond honed for perfect fit
- Low-friction, heat-dissipating surface
- Cast aluminum, nickel-silicon carbide plating
- Standard 66.40 mm bore, 250 cc 2-cycle engine
- Direct replacement for Yamaha YZ250









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