Description
If you’re pushing your Yamaha 700 to the limit, OEM pistons won’t cut it—especially when you’re running higher compression or aggressive tuning. The WSM Piston Kit delivers the durability and thermal management you need to stay competitive without sacrificing reliability. With MOS2-coated skirts that actively dissipate heat and specially hardened ring grooves, these pistons are engineered to perform lap after lap.
- Oversized +.50 mm
- Complete kit per cylinder
- Piston, rings, pin, clips
- MOS2-coated skirts
- Reduces friction and heat
- Hardened ring grooves
- Meets/exceeds OEM quality
- Improved E-clip design
- Additional rings available
- Bolt-on installation






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