Name: Piston Kit 92-98 YZ250 68.50, Wossner 8023D050
Brand: Wossner
SKU: 56-W677_050_WO

Piston Kit 92-98 YZ250 68.50, Wossner 8023D050

Wossner
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Description

This Wossner forged piston kit is tailored for Yamaha YZ250 (1992–1998) and WR250 (1992–1999) two-stroke engines with a +0.50mm oversize. Manufactured in Germany, this piston is engineered for optimal heat dissipation and mechanical strength. The elliptical piston design ensures consistent expansion and even pressure distribution under high temperatures, preventing collapse and extending engine life. The piston’s construction promotes effective transfer of combustion heat to the cylinder walls for dependable performance under load.

Features

High-strength forged piston construction
Elliptical profile promotes uniform heat expansion and load bearing
Minimises localised pressure to prevent piston damage
Enhances combustion heat dissipation to cylinder walls
German-manufactured for precision and quality

Specifications

Bore Size: 68.50mm (+0.50mm oversize)
Actual Diameter: 68.44mm
Compression Height: 36.00mm
Stroke: 68.00mm
Displacement: 246 cm³
Piston Clearance: 0.06mm
Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

Piston Kit Part No: 8023D050
Lock: CW18
Pin: WP033
Ring Set: RSB6850 x2
Rod: P2029

Vehicle Fitments

1992 Yamaha WR250
1992 Yamaha YZ250
1993 Yamaha WR250
1993 Yamaha YZ250
1994 Yamaha WR250
1994 Yamaha YZ250
1995 Yamaha WR250
1995 Yamaha YZ250
1996 Yamaha WR250
1996 Yamaha YZ250
1997 Yamaha WR250
1997 Yamaha YZ250
1998 Yamaha WR250
1998 Yamaha YZ250
1999 Yamaha WR250

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 250	1988-1998
YAMAHA	WR 250	1988-1997
YAMAHA	YZ 250	1992-1998
YAMAHA	WR 250	1992-1998
YAMAHA	WR 250	1992-1999
YAMAHA	WR 250	1988-1999

Piston Kit 92-98 YZ250 68.50, Wossner 8023D050

Wossner
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Product form

This Wossner forged piston kit is tailored for Yamaha YZ250 (1992–1998) and WR250 (1992–1999) two-stroke engines with a +0.50mm oversize.... Read more

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SKU: 56-W677_050_WO

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Description

This Wossner forged piston kit is tailored for Yamaha YZ250 (1992–1998) and WR250 (1992–1999) two-stroke engines with a +0.50mm oversize. Manufactured in Germany, this piston is engineered for optimal heat dissipation and mechanical strength. The elliptical piston design ensures consistent expansion and even pressure distribution under high temperatures, preventing collapse and extending engine life. The piston’s construction promotes effective transfer of combustion heat to the cylinder walls for dependable performance under load.

Features

High-strength forged piston construction
Elliptical profile promotes uniform heat expansion and load bearing
Minimises localised pressure to prevent piston damage
Enhances combustion heat dissipation to cylinder walls
German-manufactured for precision and quality

Specifications

Bore Size: 68.50mm (+0.50mm oversize)
Actual Diameter: 68.44mm
Compression Height: 36.00mm
Stroke: 68.00mm
Displacement: 246 cm³
Piston Clearance: 0.06mm
Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference OEM Part Numbers

Piston Kit Part No: 8023D050
Lock: CW18
Pin: WP033
Ring Set: RSB6850 x2
Rod: P2029

Vehicle Fitments

1992 Yamaha WR250
1992 Yamaha YZ250
1993 Yamaha WR250
1993 Yamaha YZ250
1994 Yamaha WR250
1994 Yamaha YZ250
1995 Yamaha WR250
1995 Yamaha YZ250
1996 Yamaha WR250
1996 Yamaha YZ250
1997 Yamaha WR250
1997 Yamaha YZ250
1998 Yamaha WR250
1998 Yamaha YZ250
1999 Yamaha WR250

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	YZ 250	1988-1998
YAMAHA	WR 250	1988-1997
YAMAHA	YZ 250	1992-1998
YAMAHA	WR 250	1992-1998
YAMAHA	WR 250	1992-1999
YAMAHA	WR 250	1988-1999

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.