Piston Kit 74.00 CR 9.5:1 YFM250RX 08-13, XT250 13-19, Wiseco 4951M07400 Yamaha ATV

Piston Kit 74.00 CR 9.5:1 YFM250RX 08-13, XT250 13-19, Wiseco 4951M07400 Yamaha ATV. Find the product specifications and compatibility information below.

Product details

• Product: Piston Kit 74.00 CR 9.5:1 YFM250RX 08-13, XT250 13-19, Wiseco 4951M07400 Yamaha ATV
• Part number: 56-W4951.7400.WI
• Brand: Wiseco
• Forged piston designed for high strength and resistance to impact and fatigue
• Moly skirt coating for reduced friction and improved wear resistance
• Manufactured in-house with full control over the forging and machining process
• Direct OEM replacement
• Made in the USA
• Displacement: 249 cc
• Bore (Standard): 74.00 mm
• Actual Bore Diameter: 73.95 mm
• Stroke: 58.00 mm
• Compression Ratio (Actual): 9.5:1
• Skirt Coating: Moly
• Bore Oversize: STD
• Cross-Reference OEM Part Numbers
• Piston: 4951M07400
• Part No.: 56-W4951.WI
• Ring Set: 2913XA
• Locks: CW17 (17mm Round Wire Locks - Set of Two)
• Pin: S688 (17 x 42 mm Non-Chromed TW)

Vehicle fitment

Applications listed in the supplier fitment data:

• YAMAHA YFM RAPTOR 250cc — 2008–2013
• YAMAHA XT 250cc — 2013–2020
• YAMAHA XT 250cc — 2013–2019

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