Robeli (or Robin-style) EY20-3C 5.0 HP single-cylinder, air-cooled 4-cycle gasoline engine (commonly mounted on a concrete vibrator or general utility frame). [1, 2]
Key Specifications:
Horsepower: 5.0 HP (max output around 3.7 kW / 4000 rpm)
Displacement: 183 cc
Engine Type: Air-cooled, 4-cycle, single-cylinder
Fuel Tank Capacity: 3.8 liters
Engine Oil Capacity: 0.6 liters (SAE 10W-30 or 30-weight)
Starting System: Recoil (pull) start