Name: Piston Kit 91-94 KTM300 72.00, Wossner 8012DA Forged 54630015044
Brand: Wossner
SKU: 56-W631.A.WO

Piston Kit 91-94 KTM300 72.00, Wossner 8012DA Forged 54630015044

Wossner
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Description

The Wossner 8012DA piston kit features a 72.00mm bore (actual 71.93mm) and is engineered for exceptional strength and optimal heat transfer to the cylinder walls. The forged, elliptically designed piston ensures a uniform bearing surface during heat expansion, reducing localised pressure and evenly distributing thrust loads to prevent piston collapse. Made in Germany, this kit includes essential parts for a reliable rebuild and is compatible with KTM 300 models from 1990 to 1994.

Features

Forged piston construction for superior strength and durability
Engineered for efficient combustion chamber heat transfer
Elliptical design ensures uniform bearing surface under thermal expansion
Reduces localised pressure and prevents piston collapse
Made in Germany

Specifications

Bore Size: 72.00mm (Actual 71.93mm)
Display (cm³): 297
Stroke (mm): 72.00
Clearance (mm): 0.07
Compression Ratio (Wossner 2-stroke): 2 stroke
Compression Ratio (OEM 2-stroke): 2 stroke
Compression Height (mm): 29.70

Cross-Reference OEM Part Numbers

Wossner Piston Kit Part No: 8012DA
Lock Part No: CW18
Pin Part No: WP039
Ring Set Part No: RSB7200 × 2
OEM Part Numbers: 54630015044, 631M07200

Vehicle Fitments

1990 KTM GS300
1990 KTM MX300
1990 KTM EXC300
1991 KTM GS300
1991 KTM MX300
1991 KTM EXC300
1992 KTM GS300
1992 KTM MX300
1992 KTM EXC300
1993 KTM GS300
1993 KTM MX300
1993 KTM EXC300
1994 KTM GS300
1994 KTM MX300
1994 KTM EXC300

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KTM	MX 300	1990-1994
KTM	EXC 300	1990-1994
KTM	GS 300	1990-1994
KTM	EXC 300	1991-1994
KTM	MX 300	1991-1994
KTM	GS 300	1991-1994

Piston Kit 91-94 KTM300 72.00, Wossner 8012DA Forged 54630015044

Wossner
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The Wossner 8012DA piston kit features a 72.00mm bore (actual 71.93mm) and is engineered for exceptional strength and optimal heat... Read more

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SKU: 56-W631.A.WO

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Description

The Wossner 8012DA piston kit features a 72.00mm bore (actual 71.93mm) and is engineered for exceptional strength and optimal heat transfer to the cylinder walls. The forged, elliptically designed piston ensures a uniform bearing surface during heat expansion, reducing localised pressure and evenly distributing thrust loads to prevent piston collapse. Made in Germany, this kit includes essential parts for a reliable rebuild and is compatible with KTM 300 models from 1990 to 1994.

Features

Forged piston construction for superior strength and durability
Engineered for efficient combustion chamber heat transfer
Elliptical design ensures uniform bearing surface under thermal expansion
Reduces localised pressure and prevents piston collapse
Made in Germany

Specifications

Bore Size: 72.00mm (Actual 71.93mm)
Display (cm³): 297
Stroke (mm): 72.00
Clearance (mm): 0.07
Compression Ratio (Wossner 2-stroke): 2 stroke
Compression Ratio (OEM 2-stroke): 2 stroke
Compression Height (mm): 29.70

Cross-Reference OEM Part Numbers

Wossner Piston Kit Part No: 8012DA
Lock Part No: CW18
Pin Part No: WP039
Ring Set Part No: RSB7200 × 2
OEM Part Numbers: 54630015044, 631M07200

Vehicle Fitments

1990 KTM GS300
1990 KTM MX300
1990 KTM EXC300
1991 KTM GS300
1991 KTM MX300
1991 KTM EXC300
1992 KTM GS300
1992 KTM MX300
1992 KTM EXC300
1993 KTM GS300
1993 KTM MX300
1993 KTM EXC300
1994 KTM GS300
1994 KTM MX300
1994 KTM EXC300

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
KTM	MX 300	1990-1994
KTM	EXC 300	1990-1994
KTM	GS 300	1990-1994
KTM	EXC 300	1991-1994
KTM	MX 300	1991-1994
KTM	GS 300	1991-1994

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.