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Description
FEATURES
• Overhead valve arrangement enables high power, and low fuel and
oil consumption
• V-Twin, four stroke design
• Air-cooled and gasoline fueled
• The light weight and compact design makes it easy to install and
utilize for many applications.
• A steel crankshaft and high-load bearing offer durability
• Pressure lubrication system and large capacity air cleaner enhance
reliability of the engine.
• The combustion chamber shape, along with a tuned exhaust valve
system, enhance the low exhaust emission and provides high
torque at low speed.
Standard features include a fuel cut-of valve, a 12V-15 amp alternator
and a pulse-type fuel pump.
The fl ywheel-type governor gear provides constant operation at the
selected speed against load variations.
The carburetor is a down draft, fl oat controlled fuel system with a fi xed
main jet. A fuel cut-off valve is provided to secure engine shut-down
when the switch is turned off. Carburetors are calibrated for sure
starting, good acceleration, low fuel consumption and adequate power
output.
A throttle solenoid (optional) automatically senses when the engine
needs to run at full power and when it requires idle speed. The sole-
noid operates using a 15 second delay before dropping to idle.
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Specifi cations
Engine Type
Air-Cooled, 4-Stroke, V-Twin Cylinder, Horizontal Shaft,
OHV Gasoline Engine
Rated Output 20.5 HP/3600 rpm (153. kW/3600)
Continuous Output 16.0 HP/3600 rpm (11.9kW/3600)
Bore X Stroke 80 mm x 65 mm (3.15” x 2.56”)
Displacement 653cc (39.90 cu in)
Compression Ratio 8.3:1
Maximum Output 15.3 kW/20.5 HP / 3600 rpm
Maximum Torque 32.7 ft/lbs @ 2200 rpm
Starting System Electric Start
Carburetor Down draft, Float Type
Fuel Unleaded Gasoline using a Diaphragm Pulse Pump
Lubrication Full Pressure with full Flow Spin-On Filter
Oil Type Automobile Engine Oil; Class SE
Oil Capicity 1550 cc (1.64qt)
Charging System 12 volt 15 amp
Dry Weight 44 kg (96.9 lbs)
Dimensions (L x W x H) 317mm x 477mm x 475mm (12.5” x 19.0” x 19.0”)
Direction of Rotation CCW as Viewed from the PTO shaft side
Cooling System Forced Air Cooling
Ignition System Flywheel Magneto (Solid State)
Spark Plug Type NGK-BP6ES or BRP6ES
Governor System Centrifugal Fly Weight
Air Cleaner Double Element Assembly
Valve Clearance
(Intake & Exhaust) 0.003-0.005 in (0.07-0.10mm)
Emission Durability Period
(California Only) 500 hours