Name: Piston 94-08 KTM620 640 101 B, Forged Wossner Kit 8524DB
Brand: Wossner
SKU: 56-W181.B

Piston 94-08 KTM620 640 101 B, Forged Wossner Kit 8524DB

Wossner
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Description

Wossner forged piston kit with a 101.01mm bore, designed for KTM 620, 625, 640 LCA, SX, Duke, and Supermoto models. Engineered for optimal combustion chamber heat transfer and uniform bearing surface under heat expansion, reducing localized pressure and piston collapse. Manufactured in Germany for durability and precision.

Features

Forged piston for superior strength and design
Optimized heat transfer to cylinder walls
Elliptical design for uniform bearing surface and even thrust load distribution
Manufactured in Germany

Specifications

Bore: 101.01mm (+0.01mm oversize)
Standard size piston (PN# 8524DB)
Lock Part Number: CW22
Pin Part Number: WP009
Ring Set Part Number: 1010XSY
Displacement: 600 cm³
Stroke: 76.00mm
Clearance: 0.06mm
Wossner Compression Ratio: OEM
OEM Compression Ratio: 11.70:1
Dome Volume: +7.60 cm³
Compression Height: 26.50mm

Cross-Reference OEM Part Numbers

Not provided

Vehicle Fitments

KTM 620 LC4 (1994-1997)
KTM 620 Duke (1994-1997)
KTM 620 SC (1998-2001)
KTM 625 SXC (2002-2007)
KTM 640 LC4 (1998-2007)
KTM 660 SMC (2003-2009)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KTM	LC4 DUKE II 640	1998-2007
KTM	LC4 640	1998-2007
KTM	DUKE II 640	1998-2007
KTM	LC4 DUKE 620	1994-1997
KTM	DUKE 620	1994-1997
KTM	SMC 625	1994-2009
KTM	LC4 620	1994-2007
KTM	LC4 620	1994-2009
KTM	LC4 640	1994-2009
KTM	DUKE 640	1994-2009
KTM	SXC 620	2002-2007
KTM	SX C 620	2002-2007
KTM	SC 620	1998-2001
KTM	LC4 620	1994-1997

Piston 94-08 KTM620 640 101 B, Forged Wossner Kit 8524DB

Wossner
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Wossner forged piston kit with a 101.01mm bore, designed for KTM 620, 625, 640 LCA, SX, Duke, and Supermoto models.... Read more

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SKU: 56-W181.B

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Description

Wossner forged piston kit with a 101.01mm bore, designed for KTM 620, 625, 640 LCA, SX, Duke, and Supermoto models. Engineered for optimal combustion chamber heat transfer and uniform bearing surface under heat expansion, reducing localized pressure and piston collapse. Manufactured in Germany for durability and precision.

Features

Forged piston for superior strength and design
Optimized heat transfer to cylinder walls
Elliptical design for uniform bearing surface and even thrust load distribution
Manufactured in Germany

Specifications

Bore: 101.01mm (+0.01mm oversize)
Standard size piston (PN# 8524DB)
Lock Part Number: CW22
Pin Part Number: WP009
Ring Set Part Number: 1010XSY
Displacement: 600 cm³
Stroke: 76.00mm
Clearance: 0.06mm
Wossner Compression Ratio: OEM
OEM Compression Ratio: 11.70:1
Dome Volume: +7.60 cm³
Compression Height: 26.50mm

Cross-Reference OEM Part Numbers

Not provided

Vehicle Fitments

KTM 620 LC4 (1994-1997)
KTM 620 Duke (1994-1997)
KTM 620 SC (1998-2001)
KTM 625 SXC (2002-2007)
KTM 640 LC4 (1998-2007)
KTM 660 SMC (2003-2009)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KTM	LC4 DUKE II 640	1998-2007
KTM	LC4 640	1998-2007
KTM	DUKE II 640	1998-2007
KTM	LC4 DUKE 620	1994-1997
KTM	DUKE 620	1994-1997
KTM	SMC 625	1994-2009
KTM	LC4 620	1994-2007
KTM	LC4 620	1994-2009
KTM	LC4 640	1994-2009
KTM	DUKE 640	1994-2009
KTM	SXC 620	2002-2007
KTM	SX C 620	2002-2007
KTM	SC 620	1998-2001
KTM	LC4 620	1994-1997

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.