236M05700 Wiseco Piston Kit for Yamaha DT125 1973-1981 57.00 mm .040 Oversize
236M05700 Wiseco Piston Kit for Yamaha DT125 1973-1981 57.00 mm .040 Oversize
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Wiseco .040 Piston Kit for Yamaha DT125
This Wiseco .040 oversize piston kit for Yamaha DT125 models from 1973 through 1981 measures 57.00 mm and refreshes top end compression on engines that have been bored to the first oversize.
Overview
This Wiseco .040 piston kit for Yamaha DT125 restores compression and ring seal in a worn or freshly bored cylinder. The 57.00 mm oversize piston works with the matching bore size so the DT125 top end can be rebuilt with confidence. Riders rebuilding an older two stroke trail bike will find this piston kit supplies the core parts needed for a top end refresh.
Built For Performance
- Forged piston construction for strength under two stroke combustion loads
- .040 oversize at 57.00 mm to match a bored cylinder
- Wiseco part number 236M05700 for exact identification
- Designed to work with the DT125 cylinder after boring to size
- Ring, wrist pin, and clip hardware typical of a complete piston kit
Fits These Machines
- for Yamaha DT125 1973
- for Yamaha DT125 1974
- for Yamaha DT125 1975
- for Yamaha DT125 1976
- for Yamaha DT125 1977
- for Yamaha DT125 1978
- for Yamaha DT125 1979
- for Yamaha DT125 1980
- for Yamaha DT125 1981
On-The-Job Use
- Top end rebuilds on a worn DT125 engine
- Cylinder boring jobs that require a .040 oversize piston
- Trail and enduro riding where reliable compression matters
- Restoration projects bringing an older DT125 back to running condition
Specs At A Glance
| Part Number(s) | 236M05700 |
| Piston Size | 57.00 mm |
| Oversize | .040 |
| Bore Size | 57.00 mm |
Good To Know
Q: Does this kit fit a stock, unbored DT125 cylinder? A: No, this .040 oversize piston requires the cylinder to be bored to 57.00 mm before installation. Confirm your current bore size before ordering.
Q: Is this an original Yamaha part? A: No, this is a Wiseco piston kit made for Yamaha DT125 fitment. Reference your engine serial number to confirm the correct oversize.
Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.
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