PISTON KIT 77.00mm 2005-2013 YAMAHA YZF 250 NAMURA FORGED FX-40033

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PISTON KIT 77.00mm 2005-2013 YAMAHA YZF 250 NAMURA FORGED FX-40033

PISTON KIT 77.00mm 2005-2013 YAMAHA YZF 250 NAMURA FORGED FX-40033

Original price was: $150.40.Current price is: $104.43.

84 in stock

SKU: 56-W9702.A.NF Category:

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

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