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
| Year | Make | Model |
|---|---|---|
| 1978-1980 | Yamaha | ET340 |
| 1979-1980 | Yamaha | ET340E |
| 1981 | Yamaha | EC340 |
| 1982 | Yamaha | ET340 |
| 1982-1988 | Yamaha | ET340T Enticer 340T |
| 1983 | Yamaha | EC340 |
| 1984-1988 | Yamaha | EC340 Excel III |
| 1984-1988 | Yamaha | ET340 Enticer 340 |
| 1988 | Yamaha | ET340TR Enticer LTR |
| 1989-1990 | Yamaha | CS340 Ovation |
| 1989-1990 | Yamaha | CS340E Ovation LE |
| 1992-2000 | Yamaha | CS340E Ovation LE |
