Rato RV150

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Rato RV150The Rato RV150 is a 150 cc (8.54 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 RV150 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 or inductance discharge type ignition system; centrifugal mechanical governor system and recoil starter.

The Rato RV150 motor has a 65.0 mm (2.56 in) cylinder bore and 45.0 mm (1.77 in) piston stroke with a compression ratio of 8.5:1. It produced 2.5 kW at 3,600 rpm of horsepower and 7.8 N·m (0.79 kg·m, 4.42 ft·lb) at 2,500 rpm of torque.

General information

Engine Specifications
Model RV150
Type 4-stroke, OHV, single cylinder
Displacement 150 cm 3 (9.15 cu-in)
Max. horsepower 2.5 kW at 3,600 rpm
Max. torque (crank PTO) 7.8 N·m (0.79 kg·m, 4.42 ft·lb) at 2,500 rpm
Carburetor Flat suction valve carburetor
Cooling system Forced-air
Ignition system Capacitance discharge type or inductance discharge type
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 0.8 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 0.55 L
Ignition system
Spark plug NGK: BPR6ES
Spark plug gap 0.7-0.8 mm (0.028-0.031 in)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.

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7 Comments

  4. My mower was new in august n having starting problems already it will not start any suggestions other than manual??

    Reply

    • I have the flywheels for both 150 and 174. Ships from Canada. $50.00 plus shipping
      Dave 905921-1274 in Canada or 239-888-2016from the USA

      Reply

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