Model

QR178F

QR186FA

Engine type

Single cylinder, vertical, 4-stroke, 

direct injection, forcible air-cooled

Bore×Stroke

78×62(mm)

86×72(mm)

Displacement

296cc

418cc

Engine speed

3000r/min

3600r/min

3000r/min

3600r/min

Max. 

output Power

4.0kW(5.4HP)

4.4kW(6HP)

6.3kW(8.57HP)

6.8kW(9.2HP)

Rated

output power

3.7kW(5HP)

4kW(5.4HP)

5.88kW(8HP)

6.3kW(8.6HP)

Fuel consumption

≤280g/kW·h

Transmission type

Crankshaft or camshaft  transmission  (camshaft rotation is 1/2 of crankshaft)

Starting method

Recoil start/ Electric start

Lubrication model

Pressure lubrication

Fuel tank capacity

3.5L

5.5L

Lube capacity

1.1L

1.7L

Dimension

(L×W×H)

421×383×450(mm)

441×417×494(mm)

Packing size

(L×W×H)

475×445×515(mm)

528×525×566(mm)

Net weight

(recoil start)

33 kg

48 kg

Net weight

(electric start)

38 kg

53 kg