PISTON KIT 77.00mm 2005-2013 YAMAHA YZF 250 NAMURA FORGED FX-40033
Available from Supplier — dispatched directly
This item is dispatched directly to you by our supplier. Supplier stock is separate from stock held at BTP.
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PISTON KIT 77.00mm 2005-2013 YAMAHA YZF 250 NAMURA FORGED FX-40033 is available to order. Please contact us to confirm availability and lead time.
Pickup currently unavailable at Braydon Trailers HQ
BTP – Your Trusted Trailer & ATV Specialists in the South West
Authorised dealer for top brands, including CFMOTO, Brian James, Debon, Cheval Liberté, Tiki, Woodford, Erde, and more.
Description
Description
Forged piston kit in the standard 77.00 mm bore with a hard-anodised crown and MOS2 low-friction skirt coating, supplied complete for one cylinder to provide a precise high-compression replacement at stock bore for routine rebuilds.
Features
- Forged aluminium piston for strength under sustained thermal load
- Hard-anodised crown to improve heat resistance and reduce carbon build-up
- MOS2 (molybdenum disulphide) skirt coating to reduce friction and aid running-in
- 100% CNC-machined dome for consistent combustion shape
- Supplied with piston, ring set, wrist pin and circlips
Specifications
- Bore size: 77.00 mm (standard)
- Compression ratio: 13.5:1
- Engine type: 4-stroke single, DOHC, 5-valve
- Kit quantity: One cylinder (piston, rings, wrist pin, circlips)
- Typical engine stroke (reference): 53.6 mm
Cross-Reference OEM Part Numbers
-
FX-40033
Vehicle Fitments
- Yamaha YZ250F 2005–2013
- Yamaha WR250F 2005–2013
