Yamaha Outboard Powerhead Bearings
| HP | Year | Wrist Pin Bearing |
Rod Bearing |
Upper Crankshaft Bearing |
Center Main Bearing |
Lower Crankshaft Bearing |
| 85-90 HP 3 Cyl |
1984-2003 | YA-816 | YA-B730 | YA-B636 | YA-B835 | YA-B206 |
| 115/130 HP 4 Cyl |
1984-1992 | YA-816 | YA-B836 | YA-B940 | YA-B954 | B6208 |
| 115/130 HP 4 Cyl |
1993 & Up | YA-W323 | YA-B836 | YA-B940 | YA-B954 | B6208 |
| 150-225 HP V6 2.6L |
1984-1992 | YA-W323 150-175 (84-92) 200 (84-91) |
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| 150-225 HP V6 2.6L |
1992 & Up | YA-W323 150-175 |
YA-B836 | YA-B940 | YA-B954 | B6208 |
| 200/225/250 HP V6 3.1L |
1990-2003 | YA-W326 | YA-B840 | B6209 | YA-959 | B6308 |
| 200/225/250/300 HP 3.3L HPDI |
2003-2008 | YA-W326 | YA-B840 | B6209 | YA-959 | B6308 |
