771M05200 Wiseco Std Piston Kit 52.00mm for Yamaha RT100 1990-2000
771M05200 Wiseco Std Piston Kit 52.00mm for Yamaha RT100 1990-2000
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Wiseco Std Piston Kit for Yamaha RT100
This Wiseco Std Piston Kit is a 52.00 mm standard bore piston assembly that restores compression and top-end performance on compatible Yamaha RT100 machines, cross-referencing part number 771M05200.
Overview
This Wiseco Std Piston Kit gives riders a complete standard bore top-end solution with a 52.00 mm piston engineered for the Yamaha RT100. The kit is built to handle the heat and stress of two-stroke operation, making it a practical choice for rebuilds and refreshes. Install it when the original piston shows wear, scoring, or loss of compression.
Built For Performance
- 52.00 mm standard bore size maintains factory cylinder dimensions
- Wiseco forged piston construction for strength under load
- Kit includes piston, rings, wrist pin, and circlips for a complete top-end rebuild
- Designed for two-stroke engines in the Yamaha RT100 platform
- Precision machining supports consistent sealing and compression
Fits These Machines
- for Yamaha RT100 1990
- for Yamaha RT100 1991
- for Yamaha RT100 1992
- for Yamaha RT100 1993
- for Yamaha RT100 1994
- for Yamaha RT100 1995
- for Yamaha RT100 1996
- for Yamaha RT100 1997
- for Yamaha RT100 1998
- for Yamaha RT100 1999
- for Yamaha RT100 2000
On-The-Job Use
- Top-end rebuilds after piston scoring or seizure
- Routine maintenance on high-hour RT100 engines
- Restoring compression on trail and field bikes
- Refresh work before a riding season
Specs At A Glance
| Part Number(s) | 771M05200 |
| Bore Size | 52.00 mm |
| Piston Type | Standard bore |
| Brand | Wiseco |
Good To Know
Q: Does this kit include rings and pin? A: Yes, this Wiseco Std Piston Kit ships as a complete top-end assembly with piston, rings, wrist pin, and circlips so the job can be done in one pass.
Q: Do I need to measure the cylinder before ordering? A: Yes, confirming the bore is still at 52.00 mm standard size before ordering helps avoid fit issues on a worn or previously overbored cylinder.
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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