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CYLINDER FULL KIT +5.60mm BIG BORE 72.00mm YAMAHA 2003 - 2025 YZ 2T 250 ATHENA P400485100042
SKU
56-K156.72.CKA
Retail Price
£1,306.67
£1,088.89
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9 In stock
Cylinder Kits for off-road applications. Alt/OEM: P400485160183,S410485303025,S410485308029,S41316257,S4F07200006A,S4F07200006B. SKU: 56-K156.72.CKA.
PRODUCT INFORMATION
| Weight | 4.1 kg |
|---|---|
| Brand | Athena |
| Product Type | Cylinder Kits |
| Product Group | Engine |
| Alternate SKU's | P400485160183, S410485303025, S410485308029, S41316257, S4F07200006A, S4F07200006B |
VEHICLE FITMENT
DESCRIPTION
Athena Big Bore Cylinder Kit for Yamaha YZ 250 2T, increasing displacement to 293cc with a bore diameter of 72.00mm (+5.60mm over stock). Engineered in Italy, this kit includes 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.
Features
- Increases displacement to 293cc
- Bore diameter: 72.00mm (+5.60mm over stock)
- Compression ratio: 15.0:1
- Nickel-silicon coated for wear resistance
- Includes all necessary components for installation
- No modifications required to 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 piston pin and rings)
- Exhaust valve kit
- Gasket kit
Cross-Reference OEM Part Numbers
- S4F07200006A (Piston Kit 71.95mm)
- S4F07200006B (Piston Kit 71.96mm)
- P400485160183 (Gasket Kit)
- S410485308029 (Cylinder Head)
- S410485303025 (Valve Assy Kit)
- S41316257 (Rings)
Vehicle Fitments
- Yamaha YZ 250 2T (2003-2025)
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