Piston Kit 07-09 RMZ250 77.00, Wossner 8666DA Suzuki 12111-10H20-0F0

Piston Kit 07-09 RMZ250 77.00, Wossner 8666DA Suzuki 12111-10H20-0F0. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit 07-09 RMZ250 77.00, Wossner 8666DA Suzuki 12111-10H20-0F0
• Part number: 56-W4921.A.WO
• Brand: Wossner
• Forged piston construction for enhanced strength and reliability
• Designed to optimize heat transfer from combustion chamber to cylinder walls
• Elliptical shape provides uniform pressure distribution during thermal expansion
• Reduces risk of localized pressure and piston failure
• Manufactured in Germany
• Bore: 77.00 mm
• Actual Bore Diameter: 76.96 mm
• Display: 249 cm³
• Hub Stroke: 53.60 mm
• Clearance: 0.04 mm
• Compression Height: 19.60 mm
• Dome Volume: -3.30 cm³
• Wossner Compression Ratio: OEM
• OEM Compression Ratio: 13.40:1
• Cross-Reference OEM Part Numbers
• Piston: 8666DA
• Lock: CW16
• Pin: WP070
• Ring Set: 770XAS-2
• Rod: P4004
• Main Bearing: 2 x MB830046
• Part No.: 56-W4921.A.WO
• OEM Reference: 12111-10H20-0F0, 4921M07700

Vehicle fitment

Applications listed in the supplier fitment data:

• SUZUKI RM Z 250cc — 2007–2009

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

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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.

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• Email: fdy@fdyperformance.com
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