| Item | Part No. | Part Name | Qty | Serial No. |
| CYLINDER BLOCK | ||||
| FRONT GEAR COVER - PRIOR 91 SERIES | ||||
| FRONT GEAR COVER - 91 SERIES | ||||
| OIL PAN | ||||
| FLYWHEEL | ||||
| CRANKSHAFT | ||||
| CRANKSHAFT PULLEY | ||||
| CONNECTING ROD AND PISTON | ||||
| CAMSHAFT - PRIOR 91 SERIES | ||||
| CAMSHAFT - 91 SERIES | ||||
| OIL FILL LOCATION | ||||
| TACH DRIVE COVER | ||||
| OIL LEVEL GAUGE | ||||
| CAM FOLLOWER COVER - PRIOR 91 SERIES | ||||
| CAM FOLLOWER COVER - 91 SERIES |