Piston Kit 01-04 YZF250 77.00, Forged Wossner 8559DB 3-RING

Piston Kit 01-04 YZF250 77.00, Forged Wossner 8559DB 3-RING. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit 01-04 YZF250 77.00, Forged Wossner 8559DB 3-RING
• Part number: 56-W4738+00B.WO
• Brand: Wossner
• High-strength forged piston for durability
• Optimized heat transfer for improved combustion efficiency
• Elliptical design to ensure uniform expansion and reduced localized pressure
• Three-ring design for enhanced sealing and performance
• Manufactured in Germany
• Bore: 77.01mm
• Size: 76.97mm
• Part Number: 8559DB
• Compression Ratio: OEM
• OEM Compression Ratio: 12.50:1
• Lock Part Number: CW16
• Pin Part Number: WP059
• Ring Set Part Number: 770XAS-2
• Displacement: 249 cm³
• Stroke: 53.6mm
• Clearance: 0.04mm
• Dome Volume: -4.70 cm³
• Compression Height: 22.20mm
• Theoretical Weight: Not specified

Vehicle fitment

Applications listed in the supplier fitment data:

• YAMAHA YZ F 250cc — 2001–2004
• YAMAHA YZF 250cc — 2001–2004
• YAMAHA WRF 250cc — 2001–2004

Match your exact make, model, year and specification before ordering.

Why buy from FDY Performance?

FDY Performance is a UK motorcycle and ATV parts specialist. We help riders find parts with clear specifications, vehicle fitment information where available and support before ordering.

Need help choosing the right part?

Contact us with your bike make, model and year, plus the part number shown above, and we can help you check compatibility.

• Call: 07765 534854
• Email: fdy@fdyperformance.com
• Website: www.fdyperformance.com