Piston Kit 1983 CR80 49.50, Forged Wossenr 8278DA

The Wossner 8278DA forged piston kit with a 49.50mm bore is designed for the Honda CR80R model year 1983. Manufactured in Germany, this piston ensures strength, efficient thermal performance, and reliability. Its elliptical profile evenly distributes pressure during heat expansion, reducing the risk of piston failure.

Features

• Forged piston for durability and high performance
• Designed to optimize heat transfer from combustion to cylinder walls
• Elliptical shape provides uniform bearing surface under heat expansion
• Minimizes localized pressure and risk of piston collapse
• Manufactured in Germany

Specifications

• Bore: 49.50 mm
• Actual Bore Diameter: 49.45 mm
• Display: 79 cm³
• Hub Stroke: 41.40 mm
• Clearance: 0.05 mm
• Compression Height: 25.00 mm
• Dome Volume: Not specified
• Wossner Compression Ratio: 2-stroke
• OEM Compression Ratio: 2-stroke

Cross-Reference OEM Part Numbers

• Piston: 8278DA
• Lock: CW12
• Pin: WP091
• Ring Set: RSB4950 x 2
• Needle Bearing: N1004
• Part No.: 56-W493+000.WO

Vehicle Fitments

• Honda CR80R 1983