Name: Piston Kit 01-09 YFM660 100 Hc, Forged Wossner 8577DA 3YF-11631-00-X0
Brand: Wossner
SKU: 56-W4737.HC.WO

Piston Kit 01-09 YFM660 100 Hc, Forged Wossner 8577DA 3YF-11631-00-X0

Wossner
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Description

Wossner forged piston kit designed for Yamaha YFM660R Raptor and YFM660F Grizzly models, featuring a 100mm bore and 99.93mm 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: 100mm
Size: 99.93mm
Part Number: 8577DA
Compression Ratio: OEM
OEM Compression Ratio: 19.20:1
Lock Part Number: CW22
Ring Set Part Number: 1000XSY
Rod Part Numbers: P4037 (2001) P4038 (2002-2005)
Displacement: 660 cm³
Stroke: 84.00mm
Clearance: 0.07mm
Dome Volume: +18.20 cm³
Compression Height: 27.00mm
Theoretical Weight: Not specified

Cross-Reference OEM Part Numbers

3YF-11631-00-X0
44737M10000

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 100 Hc, Forged Wossner 8577DA 3YF-11631-00-X0

Wossner
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Wossner forged piston kit designed for Yamaha YFM660R Raptor and YFM660F Grizzly models, featuring a 100mm bore and 99.93mm size... Read more

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SKU: 56-W4737.HC.WO

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Description

Wossner forged piston kit designed for Yamaha YFM660R Raptor and YFM660F Grizzly models, featuring a 100mm bore and 99.93mm 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: 100mm
Size: 99.93mm
Part Number: 8577DA
Compression Ratio: OEM
OEM Compression Ratio: 19.20:1
Lock Part Number: CW22
Ring Set Part Number: 1000XSY
Rod Part Numbers: P4037 (2001) P4038 (2002-2005)
Displacement: 660 cm³
Stroke: 84.00mm
Clearance: 0.07mm
Dome Volume: +18.20 cm³
Compression Height: 27.00mm
Theoretical Weight: Not specified

Cross-Reference OEM Part Numbers

3YF-11631-00-X0
44737M10000

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.