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Chapter

Technical

Specifications

and

Data

1-1 Technical specifications in English Units

Model

Item

170F 178F 186F

Type Single vertical cylinder, 4-stroke, air-cooled, direct injection

Bore x Stroke (in.) 2.76 x 2.17 3.01 x 2.44 3.39 x 2.76

Displacement (cu. in.) 13.36 18.67 25.51

Speed (rpm) 3600 3600 3600

Continuous 4.0 5.9 8.85 Output

(HP)

Maximum 4.5 6.6 9.85

Fuel tank capacity .66 .9 1.45

(US gallons)

Full 27.1 37.17 55.75 Lube-oil

Capacity

(oz)

Effective 8.45 13.51 20.27

Crankshaft direction Clockwise from flywheel end

Cooling type Forced air cooled by flywheel fan

Lubrication type Pressure splash

Starting system Recoil manual start and or optional electric start

Dry weight (recoil) (lbs) 60 73 106

Dry weight (elec.) (lbs) 68 84 117

Dimensions (LxWxH) 13.1 x 14.8 x 16.3 15.1 x 16.6 x 17.7 16.4 x 17.4 x 19.5

(inch)

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ETQ 178F Specifications

General