List of small gasoline engines with horizontal and vertical shaft, which are produced by Yamaha Motor Co., Ltd, for general-purpose applications such as, generators, pressure washers, motorpumps, karts, etc.
| Engine | Displacement | Bore & Stroke | Power output (max.) | Net Torque |
| Single cylinder | ||||
| MX-series | ||||
| MX175 | 171 cc (10.4 cu.in.) |
66 x 50 mm (2.60 x 1.97 in.) |
4.9 HP at 3,600 rpm | 10.5 Nm at 2,400 rpm |
| MX200 | 192 cc (11.7 cu.in.) |
70 x 50 mm (2.75 x 1.97 in.) |
5.7 HP at 3,600 rpm | 12.3 Nm at 2,400 rpm |
| MX250 | 296 cc (18.0 cu.in.) |
80 x 59 mm (3.15 x 2.32 in.) |
8.7 HP at 3,600 rpm | 19.7 Nm at 2,400 rpm |
| MX300 | 296 cc (18.0 cu.in.) |
80 x 59 mm (3.15 x 2.32 in.) |
9.5 HP at 3,600 rpm | 20.3 Nm at 2,400 rpm |
| MX360 | 358 cc (21.8 cu.in.) |
85 x 63.2 mm (3.35 x 2.48 in.) |
11.8 HP at 3,600 rpm | 25.4 Nm at 2,400 rpm |
| MX400 | 402 cc (24.5 cu.in.) |
85 x 71 mm (3.35 x 2.79 in.) |
12.8 HP at 3,600 rpm | 28.7 Nm at 2,400 rpm |
| MZ-series | ||||
| MZ125 | 123 cc (7.5 cu.in.) |
56 x 50 mm (2.20 x 1.97 in.) |
3.4 HP at 3,600 rpm | 7.3 Nm at 2,400 rpm |
| MZ175 | 171 cc (10.4 cu.in.) |
66 x 50 mm (2.60 x 1.97 in.) |
4.8 HP at 3,600 rpm | 10.5 Nm at 2,400 rpm |
| MZ200 | 192 cc (11.7 cu.in.) |
70 x 50 mm (2.75 x 1.97 in.) |
5.7 HP at 3,600 rpm | 12.3 Nm at 2,400 rpm |
| MZ250 | 253 cc (15.4 cu.in.) |
74 x 59 mm (2.91 x 2.32 in.) |
7.3 HP at 3,600 rpm | 15.7 Nm at 2,400 rpm |
| MZ300 | 296 cc (18.0 cu.in.) |
80 x 59 mm (3.15 x 2.32 in.) |
9.5 HP at 3,600 rpm | 20.3 Nm at 2,400 rpm |
| MZ360 | 358 cc (21.8 cu.in.) |
85 x 63.2 mm (3.35 x 2.48 in.) |
10.4 HP at 3,600 rpm | 23.9 Nm at 2,400 rpm |
| Vertical shaft engines | ||||
| MA-series | ||||
| MA175 | 174 cc (10.6 cu.in.) |
68 x 49 mm (2.67 x 1.89 in.) |
4.5 HP at 3,600 rpm | 10.0 Nm at 2,400 rpm |
| MA190 | 189 cc (11.5 cu.in.) |
68 x 52 mm (2.67 x 2.05 in.) |
5.0 HP at 3,600 rpm | 11.2 Nm at 2,400 rpm |
| V-twin | ||||
| MX-series | ||||
| MX775V-EFI | 824 cc (50.3 cu.in.) |
80 x 82 mm (3.15 x 3.23 in.) |
29.6 PS at 3,600 rpm | 67.9 Nm at 3,100 rpm |
| MX800V-EFI | 824 cc (50.3 cu.in.) |
80 x 82 mm (3.15 x 3.23 in.) |
31.6 PS at 3,600 rpm | 65.3 Nm at 3,100 rpm |
| MX825V-EFI | 824 cc (50.3 cu.in.) |
80 x 82 mm (3.15 x 3.23 in.) |
33.8 PS at 3,600 rpm | 67.9 Nm at 3,100 rpm |
| MX800V | 824 cc (50.3 cu.in.) |
80 x 82 mm (3.15 x 3.23 in.) |
26.5 HP at 3,600 rpm | 62.1 Nm at 2,200 rpm |
| MX825V | 824 cc (50.3 cu.in.) |
80 x 82 mm (3.15 x 3.23 in.) |
27.8 HP at 3,600 rpm | 63.2 Nm at 2,200 rpm |