| E00 | 191R ENGINE - E00 |
| E01-1 | LEFT CRANKCASE ASSY - E01-1 |
| E01-2 | RIGHT CRANKCASE ASSY - E01-2 |
| E01-3 | CVT CASE ASSY. - E01-3 |
| E01-4 | LEFT CRANKCASE COVER ASSY. - E01-4 |
| E02-1 | CYLINDER HEAD COVER ASSY. - E02-1 |
| E02-2-V2 | CYLINDER HEAD ASSY - E02-2-V2 |
| E02-3-V2 | CYLINDER BODY ASSY. - E02-3-V2 |
| E02-4 | CAMSHAFT OF CYLINDER ASSY. - E02-4 |
| E03-B | MANGETO ASSY.(HIGH POWER) - E03-B |
| E04 | CRANKSHAFT/CONNECTING ROD/PISTON ASSY - E04 |
| E05-V3 | CVT ASSY - E05-V3 |
| E06-1 | TRANSMISSION SYSTEM(1) - E06-1 |
| E06-2 | TRANSMISSION SYSTEM(2) - E06-2 |
| E06-3 | TRANSMISSION SYSTEM(3) - E06-3 |
| E07 | OIL PUMP ASSY. - E07 |
| E08 | WATER PUMP ASSY. - E08 |
| E09-A | STARTING SYSTEM(WITHOUT RECOIL START) - E09-A |
| E09-B | STARTING SYSTEM(WITH RECOIL START) - E09-B |
| E29 | ENGINE GASKET KIT - E29 |
| E30 | ENGINE OIL SEAL @^O-RING - E30 |
