Piston Kit 01-09 YFM660 102 Hc, Forged Wossner 8577D200

Description

Wossner forged piston kit designed for Yamaha YFM660R Raptor and YFM660F Grizzly models, featuring a 102mm bore and 101.93mm size for high compression performance. Manufactured in Germany, this piston is engineered to enhance heat transfer, ensuring uniform expansion and even thrust load distribution. The elliptical design prevents localized pressure and piston collapse, making it ideal for high-performance applications.

Features

  • High-strength forged piston for durability
  • Optimized heat transfer for improved combustion efficiency
  • Elliptical design to ensure uniform expansion and reduced localized pressure
  • High compression ratio for enhanced engine performance
  • Manufactured in Germany

Specifications

  • Bore: 102mm
  • Size: 101.93mm
  • Part Number: 8577D200
  • Compression Ratio: OEM
  • OEM Compression Ratio: 19.20:1
  • Lock Part Number: CW22
  • Ring Set Part Number: 1020XSY
  • Displacement: 660 cm³
  • Stroke: 84.00mm
  • Clearance: 0.07mm
  • Dome Volume: +18.20 cm³
  • Compression Height: 27.00mm
  • Theoretical Weight: Not specified

Vehicle Fitments

  • 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 YFM R RAPTOR 660 2001-2005
YAMAHA YXR RHINO 660 2005-2007
YAMAHA YFM F GRIZZLY 660 2002-2008
YAMAHA YFM R RAPTOR 660 2001-2008
YAMAHA YFM F GRIZZLY 660 2002-2006

Piston Kit 01-09 YFM660 102 Hc, Forged Wossner 8577D200

Product form

Wossner forged piston kit designed for Yamaha YFM660R Raptor and YFM660F Grizzly models, featuring a 102mm bore and 101.93mm size... Read more

Out of stock

£0.00 Incl. VAT

    • Guaranteed secure & safe checkout.

      shop pay

    SKU: 56-W4737_200.WO

    • Free shipping on all orders above £75
    • No hassle returns within 30 days

    Description

    Wossner forged piston kit designed for Yamaha YFM660R Raptor and YFM660F Grizzly models, featuring a 102mm bore and 101.93mm size for high compression performance. Manufactured in Germany, this piston is engineered to enhance heat transfer, ensuring uniform expansion and even thrust load distribution. The elliptical design prevents localized pressure and piston collapse, making it ideal for high-performance applications.

    Features

    • High-strength forged piston for durability
    • Optimized heat transfer for improved combustion efficiency
    • Elliptical design to ensure uniform expansion and reduced localized pressure
    • High compression ratio for enhanced engine performance
    • Manufactured in Germany

    Specifications

    • Bore: 102mm
    • Size: 101.93mm
    • Part Number: 8577D200
    • Compression Ratio: OEM
    • OEM Compression Ratio: 19.20:1
    • Lock Part Number: CW22
    • Ring Set Part Number: 1020XSY
    • Displacement: 660 cm³
    • Stroke: 84.00mm
    • Clearance: 0.07mm
    • Dome Volume: +18.20 cm³
    • Compression Height: 27.00mm
    • Theoretical Weight: Not specified

    Vehicle Fitments

    • 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 YFM R RAPTOR 660 2001-2005
    YAMAHA YXR RHINO 660 2005-2007
    YAMAHA YFM F GRIZZLY 660 2002-2008
    YAMAHA YFM R RAPTOR 660 2001-2008
    YAMAHA YFM F GRIZZLY 660 2002-2006

    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.

    WHY NOT CHECK OUT

    Recently viewed products

      © 2026 Radhouse, Powered by Shopify

        • American Express
        • Apple Pay
        • Diners Club
        • Discover
        • Google Pay
        • Maestro
        • Mastercard
        • PayPal
        • Shop Pay
        • Union Pay
        • Visa