Piston Kit 01-04 YFM660 101.00, Wossner 8507D100 Yamaha ATV

Description

This Wossner Piston Kit features a 101mm bore (oversize +1.00) and is specifically designed for Yamaha XTZ660 and select ATV models. Engineered with a forged construction for maximum strength and longevity, this piston delivers precise thermal performance and uniform thrust load distribution. Its elliptical design and superior metallurgy make it ideal for high-performance and heavy-duty applications. Made in Germany.

Features

  • Forged design ensures enhanced durability and strength

  • Optimised heat transfer from the combustion chamber to cylinder walls

  • Elliptical profile distributes load evenly and reduces risk of piston collapse

  • Manufactured in Germany

Specifications

  • Bore: 101.00 mm

  • Measured Bore: 100.93 mm

  • Clearance: 0.07 mm

  • Compression Ratio: OEM

  • OEM Compression Ratio: 9.20:1

  • Dome Volume: -0.30 cm³

  • Compression Height: 27.00 mm

  • Display: 660 cm³

  • Hub Stroke: 84.00 mm

  • Part No.: 56-W8507+100.WO

  • Piston Kit Model: 8507D100 (+1.00)

Vehicle Fitments

  • Yamaha XTZ660 Tenere 1991–1998

  • Yamaha XTZ660 Raptor 1991–1998

  • Yamaha YFM660R Raptor 2001–2009

  • Yamaha YFM660F Grizzly 2001–2009

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer Model Years
YAMAHA XTZ 600 1991-1998
YAMAHA SZR 660 1995-1997
YAMAHA XTZ 660 1991-1998

Piston Kit 01-04 YFM660 101.00, Wossner 8507D100 Yamaha ATV

Product form

This Wossner Piston Kit features a 101mm bore (oversize +1.00) and is specifically designed for Yamaha XTZ660 and select ATV... Read more

1 in stock 1-2 business days

£255.51 Incl. VAT

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    SKU: 56-W8507+100.WO

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    Description

    This Wossner Piston Kit features a 101mm bore (oversize +1.00) and is specifically designed for Yamaha XTZ660 and select ATV models. Engineered with a forged construction for maximum strength and longevity, this piston delivers precise thermal performance and uniform thrust load distribution. Its elliptical design and superior metallurgy make it ideal for high-performance and heavy-duty applications. Made in Germany.

    Features

    • Forged design ensures enhanced durability and strength

    • Optimised heat transfer from the combustion chamber to cylinder walls

    • Elliptical profile distributes load evenly and reduces risk of piston collapse

    • Manufactured in Germany

    Specifications

    • Bore: 101.00 mm

    • Measured Bore: 100.93 mm

    • Clearance: 0.07 mm

    • Compression Ratio: OEM

    • OEM Compression Ratio: 9.20:1

    • Dome Volume: -0.30 cm³

    • Compression Height: 27.00 mm

    • Display: 660 cm³

    • Hub Stroke: 84.00 mm

    • Part No.: 56-W8507+100.WO

    • Piston Kit Model: 8507D100 (+1.00)

    Vehicle Fitments

    • Yamaha XTZ660 Tenere 1991–1998

    • Yamaha XTZ660 Raptor 1991–1998

    • Yamaha YFM660R Raptor 2001–2009

    • Yamaha YFM660F Grizzly 2001–2009

    Vehicle Compatibility

    Please check the exact model and year before ordering.

    Manufacturer Model Years
    YAMAHA XTZ 600 1991-1998
    YAMAHA SZR 660 1995-1997
    YAMAHA XTZ 660 1991-1998

    Shipping & Delivery

    How long will my item take to arrive?

    Orders are typically dispatched within 1 working day and are shipped on a 24hour (non-guaranteed) service.

    Where do you ship to?

    We currently only ship orders within the UK.

    How can I track my order?

    Once your order has been dispatched, you will receive a tracking code. Tracking information is emailed to the email address that was provided when placing the order.

    Can I collect my order?

    Unfortunately we do not offer order collections from our fulfilment centre.

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