YAMAHA SPECS: ENGINES | GENERATORS
| Engine | Displacement | Power output (max.) | |
| SINGLE CYLINDER | |||
| MX-series | |||
| MX175 | 171 cc (10.4 cu.in.) | 4.9 HP at 3,600 rpm | |
| MX200 | 192 cc (11.7 cu.in.) | 5.7 HP at 3,600 rpm | |
| MX250 | 296 cc (18.0 cu.in.) | 8.7 HP at 3,600 rpm | |
| MX300 | 296 cc (18.0 cu.in.) | 9.5 HP at 3,600 rpm | |
| MX360 | 358 cc (21.8 cu.in.) | 11.8 HP at 3,600 rpm | |
| MX400 | 402 cc (24.5 cu.in.) | 12.8 HP at 3,600 rpm | |
| MZ-series | |||
| MZ125 | 123 cc (7.5 cu.in.) | 3.4 HP at 3,600 rpm | |
| MZ175 | 171 cc (10.4 cu.in.) | 4.8 HP at 3,600 rpm | |
| MZ200 | 192 cc (11.7 cu.in.) | 5.7 HP at 3,600 rpm | |
| MZ250 | 253 cc (15.4 cu.in.) | 7.3 HP at 3,600 rpm | |
| MZ300 | 296 cc (18.0 cu.in.) | 9.5 HP at 3,600 rpm | |
| MZ360 | 358 cc (21.8 cu.in.) | 10.4 HP at 3,600 rpm | |
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| VERTICAL SHAFT ENGINES | |||
| MA-series | |||
| MA175 | 174 cc (10.6 cu.in.) | 4.5 HP at 3,600 rpm | |
| MA190 | 189 cc (11.5 cu.in.) | 5.0 HP at 3,600 rpm | |
| V-TWIN ENGINES | |||
| MX-series | |||
| MX775V-EFI | 824 cc (50.3 cu.in.) | 29.6 PS at 3,600 rpm | |
| MX800V-EFI | 824 cc (50.3 cu.in.) | 31.6 PS at 3,600 rpm | |
| MX825V-EFI | 824 cc (50.3 cu.in.) | 33.8 PS at 3,600 rpm | |
| MX800V | 824 cc (50.3 cu.in.) | 26.5 HP at 3,600 rpm | |
| MX825V | 824 cc (50.3 cu.in.) | 27.8 HP at 3,600 rpm | |