The Rato RV110 is a 113 cc (6.9 cu-in) single-cylinder air-cooled 4-stroke internal combustion general-purpose gasoline engine with vertical shaft, manufactured by Chongqing RATO Holding (Group) CO., LTD for lawn mowers and tillers.
The Rato RV110 engine has a single-cylinder with a vertical shaft; an overhead valve (OHV) design; flat suction valve carburetor; dual element air filtration system; capacitance discharge type ignition system; centrifugal mechanical governor system and recoil starter.
The Rato RV110 motor has a 60.0 mm (2.36 in) cylinder bore and 40.0 mm (1.57 in) piston stroke with a compression ratio of 8.5:1. It produced 3.0 HP at 3,600 rpm of horsepower and 6.0 N·m (0.62 kg·m, 4.4 ft·lb) at 2,500 rpm of torque.
General information
| Engine Specifications | |
| Model | RV110 |
| Type | 4-stroke, OHV, single cylinder |
| Displacement | 113 cm 3 (6.9 cu-in) |
| Max. horsepower | 3.0 HP at 3,600 rpm |
| Max. torque (crank PTO) | 6.0 N·m (0.62 kg·m, 4.4 ft·lb) at 2,500 rpm |
| Carburetor | Flat suction valve carburetor |
| Cooling system | Forced-air |
| Ignition system | Capacitance Discharge Ignition (CDI) |
| Lubricating system | Splash |
| Starting system | Recoil starter |
| Stoping system | Ignition primary circuit ground |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Fuel tank capacity | 1.0 L |
| PTO shaft rotation | Counterclockwise (from PTO shaft side) |
Service Information
| Oil system | |
| Oil type | 4-stroke or an equivalent (SJ) |
| Recommended oil | SAE 10W-30, 15W-40 |
| Oil capacity | 0.4 L |
| Ignition system | |
| Spark plug | NGK: BPR6ES |
| Spark plug gap | 0.7-0.8 mm (0.028-0.031 in) |
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