Name: Piston Kit 99-08 Trx Xr 87.50, Forged Wossner 8702D250 400
Brand: Wossner
SKU: 56-W4628_250.WO

Piston Kit 99-08 Trx Xr 87.50, Forged Wossner 8702D250 400

Wossner
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Description

Wössner forged piston kit with an 87.50mm bore, designed for Honda TRX400EX and TRX400X ATVs. Manufactured in Germany, this high-performance piston enhances strength, heat transfer, and durability. The elliptical design ensures uniform bearing surface distribution, reducing localized pressure and preventing piston collapse.

Features

Forged construction for superior strength and durability
Optimized heat transfer to cylinder walls
Elliptical design for uniform bearing surface under heat expansion
Increased compression ratio for improved engine performance
Made in Germany

Specifications

Bore: 87.50mm (87.44mm actual)
Display: 397 cm³
Stroke: 70.00mm
Clearance: 0.06mm
Wössner Compression Ratio: 12.50:1
OEM Compression Ratio: 10.00:1
Dome Volume: +8.40 cm³
Compression Height: 26.20mm

Cross-Reference OEM Part Numbers

Wössner Piston: 8702D250
Lock: CW20
Pin: WP052
Ring Set: 875XSY
Rod: P4021

Vehicle Fitments

Honda TRX400EX (1999-2008)
Honda TRX400X (2009-2012)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
HONDA	XR 400	1996-2004
HONDA	XR R 400	1996-2004
HONDA	TRX X 400	2009-2014
HONDA	TRX EX 400	1999-2008
HONDA	TRX EX 400	2009-2014

Piston Kit 99-08 Trx Xr 87.50, Forged Wossner 8702D250 400

Wossner
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Wössner forged piston kit with an 87.50mm bore, designed for Honda TRX400EX and TRX400X ATVs. Manufactured in Germany, this high-performance... Read more

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SKU: 56-W4628_250.WO

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Description

Wössner forged piston kit with an 87.50mm bore, designed for Honda TRX400EX and TRX400X ATVs. Manufactured in Germany, this high-performance piston enhances strength, heat transfer, and durability. The elliptical design ensures uniform bearing surface distribution, reducing localized pressure and preventing piston collapse.

Features

Forged construction for superior strength and durability
Optimized heat transfer to cylinder walls
Elliptical design for uniform bearing surface under heat expansion
Increased compression ratio for improved engine performance
Made in Germany

Specifications

Bore: 87.50mm (87.44mm actual)
Display: 397 cm³
Stroke: 70.00mm
Clearance: 0.06mm
Wössner Compression Ratio: 12.50:1
OEM Compression Ratio: 10.00:1
Dome Volume: +8.40 cm³
Compression Height: 26.20mm

Cross-Reference OEM Part Numbers

Wössner Piston: 8702D250
Lock: CW20
Pin: WP052
Ring Set: 875XSY
Rod: P4021

Vehicle Fitments

Honda TRX400EX (1999-2008)
Honda TRX400X (2009-2012)

Vehicle Compatibility

Please check the exact model and year before ordering.

Manufacturer	Model	Years
HONDA	XR 400	1996-2004
HONDA	XR R 400	1996-2004
HONDA	TRX X 400	2009-2014
HONDA	TRX EX 400	1999-2008
HONDA	TRX EX 400	2009-2014

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.