PISTON KIT 89-90 RM80 49.00, WOSSNER 8191D150 SUZUKI MX

Wossner Forged Piston Kit 49.00mm Bore – Suzuki RM80 1989–1990 (8191D150 +1.50)
This Wossner forged piston kit, featuring a +1.50mm oversize bore (actual 48.95mm), is designed for Suzuki RM80 models from 1989 to 1990. Built for demanding 2-stroke engine performance, it features a forged aluminium construction for superior strength and durability. The piston’s elliptical design ensures balanced thermal expansion and uniform thrust load distribution, minimising the risk of piston collapse. Manufactured in Germany to precision standards.

Features

• Forged aluminium piston for enhanced strength and wear resistance

• Designed to maximise heat dissipation from the combustion area

• Elliptical profile maintains uniform contact under thermal expansion

• Optimised for 2-stroke engine use

• Precision manufactured in Germany

Specifications

• Bore Size: 49.00mm (+1.50 oversize)

• Actual Bore: 48.95mm

• 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: 8191D150

• Ring Set: RSB4900

• Lock: CW14

• Pin: WP058

• Internal Reference: 56-W579+150.WO

Vehicle Fitments

• 1989 Suzuki RM80

• 1990 Suzuki RM80