Wiseco Forged Series Piston Kit with Gaskets – Honda XR80R (1979-1991) – 49.00mm Bore (+1.50mm Oversize) – 4-Stroke

Wiseco Forged Series Piston Kit with Gaskets – Honda XR80R – +1.50mm Oversize

Premium Wiseco Forged Series piston kit with complete gasket set for the early Honda XR80R youth off-road bike. This is the +1.50mm OVERSIZE (49.00mm) kit for worn cylinders!

Oversize Piston – Cylinder Work Required

This piston is +1.50mm oversize. Cylinder boring to 49.00mm is required for proper fit. Cylinder sleeves must be purchased separately if needed.

Kit Includes

• +1.50mm Oversize Forged Series Piston
• Ring Set
• Wrist Pin
• Circlips
• Complete Gasket Set

Key Features

• Forged Series – 4032 aluminum alloy construction
• 9.7:1 compression ratio
• Complete top-end gasket kit included
• 13 years of fitment (1979-1991)
• Covers earlier generation XR80R before 1992 redesign

Ring Style Note

Correct replacement ring style is stamped on the dome of piston. Example: “C” for “XC”, “G” for “XG” and “H” for “XH”. Wiseco ring types are not interchangeable.

Piston Specifications

• Bore Size: 49.00 mm (+1.50mm Oversize)
• Piston Diameter: 48.97 mm
• Stroke Length: 45.00 mm
• Compression Ratio: 9.7:1
• Material: 4032 Aluminum Alloy
• Skirt Coating: Non-Coated

Engine Specifications

• Displacement: 79.7cc
• Engine Type: 4-Stroke
• Weight: 0.8 lbs

Fitment

• Honda XR80R: 1979-1991