Piston Kit 82-84 YZ490 89.00mm, Forged Wossner 8266D200

Piston Kit 82-84 YZ490 89.00mm, Forged Wossner 8266D200. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit 82-84 YZ490 89.00mm, Forged Wossner 8266D200
• Part number: 56-W478+2.00.WO
• Brand: Wossner
• Wossner forged piston kit designed for durability and optimized heat transfer. Engineered with an elliptical shape for uniform bearing surface distribution, preventing piston collapse. Manufactured in Germany for high performance and reliability.
• Forged construction for superior strength and longevity
• Optimized heat transfer for efficient combustion
• Elliptical design for even thrust load distribution
• Manufactured in Germany
• Piston Size: 88.92mm
• Bore: 89mm
• Oversize: +2.00mm
• Clearance: 0.08mm
• Display: 465 cm³
• Stroke: 82.00mm
• Compression Ratio: 2-stroke
• Compression Height: 40.00mm
• Lock Part Number: CW18
• Pin Part Number: WP042
• Ring Set Part Number: RSC8900 x2
• Cross-Reference OEM Part Numbers
• Wossner 8266D200

Vehicle fitment

Applications listed in the supplier fitment data:

• YAMAHA YZ 490cc — 1982–1983
• YAMAHA IT 490cc — 1983–1984
• YAMAHA IT 490cc — 1982–1983

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