CYLINDER FULL KIT 98MM YAMAHA YFZ 450 09-25, ATHENA P400485100047 478CC BIG BORE, (Piston included)
CYLINDER FULL KIT 98MM YAMAHA YFZ 450 09-25, ATHENA P400485100047 478CC BIG BORE, (Piston included)
This big bore cylinder kit increases engine capacity to 478 cc and is supplied as a complete replacement assembly, including an aluminium cylinder with a nickel-silicon wear-resistant coating, a piston assembly, and all required gaskets. It is designed to install without modifications to the engine crankcase and is intended for high-temperature, high-load operation.
Features
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Big bore cylinder kit supplied as a complete set for top-end replacement
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Wear-resistant nickel-silicon cylinder coating for reduced friction and improved durability
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Includes cylinder, piston, piston pin, piston rings, and full gasket set
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Designed for installation without engine crankcase modifications
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Developed and validated through bench and road testing
Cross reference
- S4F09800004A Piston Kit 97,94
- S4F09800004B Piston Kit 97,95
- P400485160013 Gaskets Kit
- S41316197 Rings
Specifications
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Bore diameter: 98.00 mm
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Displacement: 478.00 cc
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Compression ratio: 12.5:1
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Net weight: 1.17 kg
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Cylinder material: aluminium
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Cylinder coating: nickel-silicon (Motor-Nicksil)
Vehicle Fitments
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YAMAHA YFZ R 450 cc (2009–2025)
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YAMAHA YFZ X 450 cc (2010–2011)