Piston Kit 75-81 DT400 MX 85.5, Wossner 8263D050 Yamaha

Piston Kit 75-81 DT400 MX 85.5, Wossner 8263D050 Yamaha. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit 75-81 DT400 MX 85.5, Wossner 8263D050 Yamaha
• Part number: 56-W549_0.50.W0
• Brand: Wossner
• Forged construction for increased strength
• Elliptical design ensures uniform load distribution under heat expansion
• Promotes efficient combustion chamber heat transfer to cylinder walls
• Made in Germany
• Bore Size: 85.50mm (85.42mm)
• Display: 398 cm³
• Stroke: 70.00 mm
• Clearance: 0.08 mm
• Compression Height: 40.00 mm
• Compression Ratio: 2-stroke (Wossner and OEM)
• Cross-Reference OEM Part Numbers
• Piston Kit: 8263D050
• Lock: CW18
• Pin: WP042
• Ring Set: RSC8550 x2
• Part No.: 56-W549_0.50.WO

Vehicle fitment

Applications listed in the supplier fitment data:

• YAMAHA DT 400cc — 1975–1978
• YAMAHA MX 400cc — 1975–1981
• YAMAHA DT 400cc — 1975–1981
• YAMAHA MX 400cc — 1975–1976

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