Vertex 52.44mm Piston Kit for '02-18 Yamaha YZ85 (23628A)
- The piston is heat-treated with a T-5 hardening and tempering cycle
- The piston skirt is coated with a high-tech Molybdenum Disulphite coating for faster break in time and increased piston life
- Cast piston is gravity-cast aluminum alloy (not forged) with 18% silicone content
- Big bore piston increases engine's displacement, torque, and peak horsepower
- Piston kit includes piston, rings, wrist pin and circlips
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2002-2018 | Yamaha | YZ85 | |