CYLINDER FULL KIT +5.60mm BIG BORE 72.00mm YAMAHA 2003 - 2025 YZ 2T 250 ATHENA P400485100042
Athena Big Bore Cylinder Kit for Yamaha YZ 250 2T. Increases displacement to 293cc with a bore diameter of 72.00mm (+5.60mm over stock). Features a high-quality aluminum cylinder with a nickel-silicon coating for durability and wear resistance. Designed for direct installation without modifications to the engine crankcase. Bore diameter is 72.00mm, with a bore gain of +5.6mm. Compression ratio is 15.0:1. Displacement is 293cc. Net weight is 3.50 kg. Includes aluminum cylinder, cylinder head, complete piston (with piston pin and rings), exhaust valve kit, and gasket kit.
- SKU
- 56-K156.72.CKA
- Brand
- Athena
- Availability
- In Stock (9)
FULL DESCRIPTION
Athena Big Bore Cylinder Kit for Yamaha YZ 250 2T - 293cc
Upgrade your Yamaha YZ 250 2T with the Athena Big Bore Cylinder Kit, engineered in Italy for enhanced performance. This comprehensive kit increases your engine's displacement to 293cc, featuring a 72.00mm bore diameter which is a +5.60mm increase over stock.
The high-quality aluminum cylinder is treated with a durable nickel-silicon coating, providing exceptional wear resistance for longevity. Designed for a straightforward installation, this kit does not require any modifications to your engine's crankcase.
Key Features:
- Increased Displacement: Boosts your engine to 293cc for more power.
- Oversized Bore: Features a 72.00mm bore diameter (+5.60mm over stock).
- High Compression: Achieves a 15.0:1 compression ratio.
- Durable Coating: Nickel-silicon coated cylinder for superior wear resistance.
- Complete Kit: Includes all necessary components for installation.
- Direct Fit: No modifications needed for the engine crankcase.
Specifications:
- Bore Diameter: 72.00mm
- Bore Gain: +5.6mm
- Compression Ratio: 15.0:1
- Displacement: 293cc
- Net Weight: 3.50 kg
Included Components:
- Aluminum Cylinder
- Cylinder Head
- Complete Piston (with pin and rings)
- Exhaust Valve Kit
- Gasket Kit
