The cylinder head has no pitting. The valves appear to seat properly. The gasket surface is smooth.
O.E.M Part Number 1YW-11101-01-00 , 1YW-12170-00-00
O.E.M Part Number 1YW-11101-01-00 , 1YW-12170-00-00
| Make | Model | Year | Submodel |
|---|---|---|---|
| Yamaha | Big Bear 350 | 1997 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1996 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1995 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1994 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1993 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1992 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1991 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1990 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1989 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1988 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1987 | YFM350FW 4x4 |
| Yamaha | Big Bear 350 | 1998 | YFM350U |
| Yamaha | Big Bear 350 | 1997 | YFM350U |
| Yamaha | Big Bear 350 | 1996 | YFM350U |
| Yamaha | Moto 4 | 1995 | YFM350ER |
| Yamaha | Moto 4 | 1994 | YFM350ER |
| Yamaha | Moto 4 | 1993 | YFM350ER |
| Yamaha | Moto 4 | 1992 | YFM350ER |
| Yamaha | Moto 4 | 1991 | YFM350ER |
| Yamaha | Moto 4 | 1990 | YFM350ER |
| Yamaha | Moto 4 | 1989 | YFM350ER |
| Yamaha | Moto 4 | 1988 | YFM350ER |
| Yamaha | Moto 4 | 1987 | YFM350ER |