The Rato RV175 is a 173.9 cc (10.61 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.
The Rato RV175 engine has a single-cylinder with a vertical shaft; an overhead valve (OHV) design; flat suction valve carburetor; recoil starter or electric starter, transistorized magneto ignition system and centrifugal mechanical governor system.
A 70.0 mm (2.76 in) cylinder bore and 45.2 mm (1.78 in) piston stroke give the Rato RV175 motor a total of 173.9 cc of displacement. Compression ratio rating is 8.3:1. It produced 3.0 kW at 3,600 rpm of horsepower and 9.5 N·m (0.97 kg·m, 7.0 ft·lb) at 2,500 rpm of torque.
|Type||4-stroke, OHV, single cylinder|
|Displacement||173.9 cm 3 (10.61 cu-in)|
|Max. horsepower||3.0 kW at 3,600 rpm|
|Max. torque (crank PTO)||9.5 N·m (0.97 kg·m, 7.0 ft·lb) at 2,500 rpm|
|Carburetor||Flat suction valve carburetor|
|Ignition system||Transistorized magneto|
|Starting system||Recoil / electric starter|
|Stoping system||Ignition primary circuit ground|
|Fuel used||Unleaded gasoline (octane number 86 or higher)|
|PTO shaft rotation||Counterclockwise (from PTO shaft side)|
|Oil type||4-stroke or an equivalent (SJ)|
|Recommended oil||SAE 10W-30, 15W-40|
|Oil capacity||0.6 L|
|Spark plug||NGK: BPR6ES|
|Spark plug gap||0.7-0.8 mm (0.028-0.031 in)|