ATHENA P400485100042 Big Bore Cylinder Kit for 2003-2023 Yamaha YZ250

ATHENA P400485100042 Big Bore Cylinder Kit for Yamaha YZ250 (2003-2023)

Unleash Maximum Performance: Specially designed for high-performance racing, this big bore kit increases displacement to 293cc for unparalleled power gains.

Premium Materials: The aluminum cylinder features a durable nickel-carbide coating. The aluminum head includes a removable bronze dome for optimized combustion.

Hard-Anodized Power Valves: The kit includes high-performance, hard-anodized power valves designed for racing (not compatible with OEM valves).

Complete Top-End Solution: Includes an Athena gasket set with all required seals and hardware for a comprehensive top-end rebuild.

Forged Race Piston: The piston kit features a forged race piston, rings, clips, and pin for strength and durability under extreme conditions.

ATHENA Big Bore Cylinder Kit :

• • Material: Aluminum
  • Cylinder Bore Coating: Nickel-Carbide
  • Bore Size: 72.00 mm
  • Displacement: 293 cc
  • Engine Type: 2-Stroke
  • Style: Big Bore

This is a complete big bore cylinder and piston kit. Please ensure proper installation by a qualified mechanic to prevent engine damage.

Order your Athena Big Bore Cylinder Kit today and take your Yamaha YZ250 to the next level!