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YAMAHA MA190 ENGINE
MA-SERIES, THE WAY FORWARD:
The Yamaha MA190 is a 189 cc (11.5 cu-in) single-cylinder air-cooled 4-stroke internal combustion general-purpose gasoline engine with a vertical shaft manufactured by Yamaha.
CODE: MA190
DETAILED DESCRIPTION
DIMENSIONS AND WEIGHT
| Yamaha MA190 |
| Length, mm (in) |
425 (16.7) |
| Width, mm (in) |
360 (14.2) |
| Height, mm (in) |
270 (10.6) |
| Dry weight, kg (lb) |
14.0 (30.9) |
Specifications
| Model |
MA190 |
| Type |
4-stroke, OHV, single cylinder |
| Displacement |
189 cm 3 (11.5 cu-in) |
| Max. horsepower |
5.0 PS (3.7 kW) at 3,600 rpm |
| Max. torque (crank PTO) |
11.2 N·m (1.14 kg·m, 8.26 ft·lb) at 2,400 rpm |
| Carburetor |
Float type |
| Cooling system |
Forced-air |
| Ignition system |
Transitorized (T.C.I.) |
| Lubricating system |
Mechanical splashing |
| Starting system |
Recoil |
| Fuel used |
Unleaded gasoline (octane number 86 or higher) |
| Fuel tank capacity |
1.2 L |
| PTO shaft rotation |
Counterclockwise (from PTO shaft side) |