Honda Piston O/S .50 2nd Oversize 1985 CR125R CR125 OEM NOS NEW
Genuine Honda 0.50mm Oversize Piston (2nd O/S)
Part Number: 13103-KA3-760
Condition: New Old Stock (NOS)
Country of Manufacture: Japan
Part Number: 13103-KA3-760
Condition: New Old Stock (NOS)
Country of Manufacture: Japan
This is a rare, factory-original Honda 2nd Oversize (.50mm) piston. Specifically engineered for the 1985 CR125R, this part is essential for riders performing a top-end rebuild after boring out a worn cylinder. Unlike aftermarket pistons, this genuine Honda part offers the exact metallurgy and weight balance intended by the factory for the 1985 engine's power valve and porting timing.
[Item Specifications]
- Size: 0.50mm Oversize (54.50mm Diameter)
- Compatibility: 1985 Honda CR125R (All Regions)
- Identification: The "KA3" middle code confirms this is the correct piston for the 1985 model year architecture.
- Includes: [ Piston & Box] — Note: Rings, wrist pin, and clips are usually sold separately by Honda and are not included unless specified.
[Condition Notes]
- This is a New Old Stock (NOS) item.
- Surface Condition: Piston is pristine with no shelf wear"
- Packaging: ["Comes in original Honda box with part number label].
[Why Choose Genuine Honda NOS?]
The 1985 CR125R is a legendary "Evolution" class motocross bike. Using genuine Honda pistons ensures:
The 1985 CR125R is a legendary "Evolution" class motocross bike. Using genuine Honda pistons ensures:
- Perfect Heat Expansion: Matches the factory cylinder liner expansion rates.
- Correct Skirt Profile: Prevents premature "piston slap" common with some universal aftermarket brands.
- Resale Value: Increases the value of your vintage restoration by using 100% factory parts.
selling as pictured.
more than welcome to pick up at shop in butler pa & save shipping.
031026 jy