Wiseco Forged Series Piston Kit with Gaskets - Honda XR80R (1979-1991) - 49.00mm Bore (+1.50mm Oversize) - 4-Stroke
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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
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
