| Model/Year | Cyl. | Bore Size | Sleeve Description | Thickness | O.D. | Sleeve Length | Type | Brand | Part No. |
| 250 hp 1993 |
6 |
3.540" | Oval exhaust port |
1/8" | 3.900" | 6.340" | RS | La Sleeve |
L149OB |
Cylinder Sleeve: Yamaha 250 Hp 6 Cyl 76 Degree 90-91 / 93-94 Straight
Yamaha 6 Cyl 3.544 Bore 76 Degree 250 1990-1991,1993-1994
