PISTON KIT 89-90 RM80 48.50 WOSSNER 8191D100 SUZUKI MX

Wossner Forged Piston Kit 48.50mm Bore – Suzuki RM80 1989–1990 (8191D100 +1.00)
This Wossner forged piston kit with a +1.00mm oversize bore (actual 48.45mm) is engineered for Suzuki RM80 models from 1989 to 1990. The forged aluminium construction provides excellent strength and thermal resistance, making it suitable for high-stress 2-stroke applications. The piston’s elliptical design ensures balanced thrust load distribution during expansion, minimising the risk of stress fractures and piston collapse. Manufactured in Germany for precision and reliability.

Features

• Forged piston offers high durability and strength under engine load

• Heat-efficient design for optimal combustion temperature management

• Elliptical profile improves bearing surface and load distribution

• Suited for 2-stroke engine applications

• Manufactured in Germany

Specifications

• Bore Size: 48.50mm (+1.00 oversize)

• Actual Bore: 48.45mm

• Compression Height: 27.00mm

• Clearance: 0.05mm

• Stroke: 46.80mm

• Displacement: 82 cm³

• Wossner Compression Ratio: 2-stroke

• OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

• Wossner Piston: 8191D100

• Ring Set: RSB4850

• Lock: CW14

• Pin: WP058

• Internal Reference: 56-W579+100.WO

Vehicle Fitments

• 1989 Suzuki RM80

• 1990 Suzuki RM80

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.