ProForce Debris BlowerPage 3 − 2Engine
Specifications
Item Description
Make / Designation Kohler, 4−cycle, V−Twin cylinder,
OHV, air cooled, Model CH740S
Bore x Stroke 3.27 in x 2.64 in (83 mm x 67 mm)
Total Displacement 44 in
3
(725 cc)
Compression Ratio 9.0:1
Governor Electronic
Low Idle Speed (no load) 1800 + 100 RPM
High Idle Speed (no load) 3450 + 100 RPM
Carburetor Float feed, fixed main jet, solenoid fuel shut−off
Fuel Unleaded, regular grade gasoline
Fuel Pump Mechanical
Fuel Tank Capacity 5 U.S. gal (18.9 l)
Air Cleaner Dual element
Lubrication System Pressure lubrication with oil cooler
Crankcase Oil Capacity 2.0 U.S. qt (1.9 l)
Engine Oil See Operator’s Manual
Ignition System Flywheel magneto, twin electronic armatures with ignition advance
Spark Plug Champion RC12YC (resister style)
Spark Plug Gap 0.030 in (0.76 mm)
Starter 12 VDC, solenoid shift
Alternator 12 VDC / 15 Amps
Dry Weight 94 lbs (43 kg)
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