Description
Machined smooth heads
MOS 2 Coating:
Draws heat through piston walls and out the bottom
Reduces heat and friction, for added power and longevity
Helps eliminate cold seizures, and increases durability
Hard anodized crowns
Hypereutectic Cast
MOS 2 Coating:
Draws heat through piston walls and out the bottom
Reduces heat and friction, for added power and longevity
Helps eliminate cold seizures, and increases durability
Hard anodized crowns
Hypereutectic Cast
| Year | Make | Model |
|---|---|---|
| 1979-1980 | Yamaha | EC540 |
| 1980-1983 | Yamaha | SR540 |
| 1984-1991 | Yamaha | SR540 SRV |
| 1985-1990 | Yamaha | XL540 VLX |
| 1988-1991 | Yamaha | VK540 |
| 1993-1998 | Yamaha | VK540 II |
| 1999-2005 | Yamaha | VK540 III |
| 2017-2022 | Yamaha | VK540 VK 540 |
