Subaru-Robin EC06B

Subaru-Robin EC06DThe Subaru-Robin EC06B is a 60.8 cc (3.72 cu·in) single-cylinder air-cooled 2-stroke internal combustion general-purpose gasoline engine with horizontal PTO shaft and Speed reduction system.

The Subaru-Robin EC06B engine has a lined aluminum cylinder, float type carburetor, T.C.I. ignition system (Transistor Circuit Ignition), recoil starter and speed reduction system with 1:2.5 reduction gear.

Cylinder bore is 44.0 mm (1.73 in) and piston stroke is 40.0 mm (1.57 in). The engine produced 2.6 PS (1.9 kW; 2.5 HP) at 2,000 rpm of maximum horsepower and 1.6 PS (1.2 kW; 1.6 HP) at 1,440 rpm or 1.9 PS (1.4 kW; 1.9 HP) at 1,800 of continuous power. Maximum torque is 9.3 N·m (0.9 kg·m, 6.9 ft·lb) at 1,480 rpm.

General information

Engine Specifications
Type2-stroke, single cylinder
Displacement60.8 cm 3 (3.72 cu-in)
Max. horsepower2.6 PS (1.9 kW; 2.5 HP) at 2,000 rpm
Max. torque (crank PTO)9.3 N·m (0.9 kg·m, 6.9 ft·lb) at 1,480 rpm
CarburetorFloat type
Cooling systemForced-air
Ignition systemTransistor Circuit Ignition
Lubricating systemMechanical splashing
Starting systemRecoil
Fuel usedUnleaded gasoline (octane number 86 or higher)
Fuel tank capacity1.5 L
PTO shaft rotationCounterclockwise (from PTO shaft side)

Dimensions and Weight

Subaru-Robin EC06B
Length, mm (in)285 (11.2)
Width, mm (in)307 (12.1)
Height, mm (in)287 (11.3)
Dry weight, kg (lb)7.6 (16.8)

Service Information

Oil system
Oil type2-stroke or an equivalent
Recommended oil
Oil capacityGasoline-lubricant mixture: 20-25:1
Ignition system
Spark plugNGK: B6HS
Spark plug gap0.7-0.8 mm (0.028-0.031 in)
Spark plug tightening torque27.5 N·m (2.8 kg·m, 20.3 ft·lb)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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