Name: Piston Kit 88-91 DT200 66.40, Wossner 8070D040 Yamaha Dirt
Brand: Wossner
SKU: 56-W599+040

Piston Kit 88-91 DT200 66.40, Wossner 8070D040 Yamaha Dirt

Wossner
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Description

Wossner Forged Piston Kit 66.40mm Bore – Yamaha DT200R / WR200
This Wossner forged piston kit is designed for Yamaha DT200R (1988–1991) and WR200 (1992–1998) models, offering a 66.40 mm bore and piston diameter of 66.34 mm (+0.40 mm oversize). Engineered for 2-stroke engines, the piston features forged construction and an elliptical profile to ensure optimal heat transfer and structural stability during high thermal expansion. Manufactured in Germany for consistent quality and performance.

Features

Forged piston for superior durability and strength
Optimised heat transfer from combustion chamber to cylinder walls
Elliptical design promotes even pressure distribution and reduces thrust stress
Made in Germany for precision engineering

Specifications

Bore Size: 66.40 mm
Piston Diameter: 66.34 mm
Engine Displacement: 195 cm³
Stroke: 57.00 mm
Clearance: 0.06 mm
Compression Height: 29.90 mm
Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference Wossner Part Numbers

Piston Kit: 8070D040
Lock: CW16
Pin: WP027
Ring Set: RSB6640 x 2

Vehicle Fitments

Yamaha DT200R (1988–1991)
Yamaha WR200 (1992–1998)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	WR 200	1992-1998
YAMAHA	DT R 200	1990-1991
YAMAHA	DT R 200	1988-1991
YAMAHA	DT 200	1990-1991

Piston Kit 88-91 DT200 66.40, Wossner 8070D040 Yamaha Dirt

Wossner
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Wossner Forged Piston Kit 66.40mm Bore – Yamaha DT200R / WR200 This Wossner forged piston kit is designed for Yamaha... Read more

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SKU: 56-W599+040

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Description

Wossner Forged Piston Kit 66.40mm Bore – Yamaha DT200R / WR200
This Wossner forged piston kit is designed for Yamaha DT200R (1988–1991) and WR200 (1992–1998) models, offering a 66.40 mm bore and piston diameter of 66.34 mm (+0.40 mm oversize). Engineered for 2-stroke engines, the piston features forged construction and an elliptical profile to ensure optimal heat transfer and structural stability during high thermal expansion. Manufactured in Germany for consistent quality and performance.

Features

Forged piston for superior durability and strength
Optimised heat transfer from combustion chamber to cylinder walls
Elliptical design promotes even pressure distribution and reduces thrust stress
Made in Germany for precision engineering

Specifications

Bore Size: 66.40 mm
Piston Diameter: 66.34 mm
Engine Displacement: 195 cm³
Stroke: 57.00 mm
Clearance: 0.06 mm
Compression Height: 29.90 mm
Compression Ratio: 2-stroke (Wossner and OEM)

Cross-Reference Wossner Part Numbers

Piston Kit: 8070D040
Lock: CW16
Pin: WP027
Ring Set: RSB6640 x 2

Vehicle Fitments

Yamaha DT200R (1988–1991)
Yamaha WR200 (1992–1998)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
YAMAHA	WR 200	1992-1998
YAMAHA	DT R 200	1990-1991
YAMAHA	DT R 200	1988-1991
YAMAHA	DT 200	1990-1991

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.