Piston Kit 11-12 TM250F Fi 77, Forged Wossner 8839DB

Piston Kit 11-12 TM250F Fi 77, Forged Wossner 8839DB. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit 11-12 TM250F Fi 77, Forged Wossner 8839DB
• Part number: 56-W4958.B.WO
• Brand: Wossner
• Piston kit 77.00mm Bore 76.97 Wossner 8839DB (+0.02)
• TM
• MX250F 2011 - 2012,
• EN250F 2011 - 2012,
• (Fuel injection)
• Wossner forged pistons are superior in strength and design.
• Engineered to provide the best possible path for combustion chamber heat transfer to cylinder walls.
• Elliptically designed to provide a more uniform bearing surface under piston heat expansion, eliminating localized pressure and distributing thrust loads more evenly, thereby preventing piston collapse.
• Made in Germany
• Part No. 56-W4958.B.WO (www.fdyperformance.com)
• WOSSNER PISTON KIT 8839DB SIZE. B 76.97mm
• Lock P/N CW16,
• Pin P/N WP059,
• Ring Set P/N 770XAS-2
• Display (cm3) 250
• Hub stroke (mm) 53.60
• Clearance (mm) 0.04
• Wossner compression Ratio:
• OEM Compression ratio:
• Dome volume (cm3) -2.10
• Compression height (mm) 22.20
• Theorectical weight (G)

Vehicle fitment

Applications listed in the supplier fitment data:

• TM MX F 250cc — 2011–2012
• TM EN F 250cc — 2011–2012
• TM TM F 250cc — 2011–2012

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