ENGINE SPECIFICATIONS
~---
Model
47P22
Type 2 cycle, single cylinder piston
ported, air cooled
Rotation (viewed from output end) Counter-clockwise
Displacement 121 cc (7.38 cu. in)
~-
Bore 58 mm (2.28 in)
Stroke 46 mm (1.81 in)
Crankshaft 24.9 mm (.98in) forged steel
Rated Output
3.5
Hp
@
3600 RPM
Torque .73 kg-m (5.28 ft-lb)
@
3000
RPM
Compression Ratio 6: 1
Compression
Gas-Oil Ratio
50:
1
Gasoline Unleaded Regular
TTO
Oil 2 cycle oil
Fuel Tank Capacity
Air Cleaner
Carburetor Mikuni
BV-15std.
main jet #80
High Altitude Jet
Governor Mechanical Flyweight
8.4kps/cm2 20 psi) to
10.5 kps/cm (1
50
psi)
1.89
I
(2 qt)
Two stage foam element
#77.5
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Spark Arrester Muffler Optional (PN 81-0200)
47PD3
#76.3
#72.5
Starter Recoil only
~-
Spark Plug NGK-BPMR6A
NGK-
BPMR4A
Ignition Timing 22" 2" BTDC
Ignition Timing, Piston Position 1.76-2.51mm (.069-.099in) BTDC
~-
Contact Point Gap .35 mm (.014in)
Ignition Coil Air Gap .38-.50 mm (.015-.020in)
Float Height Setting (Black Float)
*
N/A
11/16"
*The black float may be used on these engines as a replacement. Part number
81-0970.
.
N/A
*
N/A
FASTENER TORQUE SPECIFICATIONS
Adapter Plate Housing Capscrews (3/8-16UNC) 2.9-4.6 Kg-m (21
-33
ft-lb)
Blade Capscrew 6.2-8.3 Kg-m (45-60 ft-lb)
Flywheel Nut (M 10) 4.0-5.0 Kg-m (29-36 ft-lb)
Muffler Nuts (M 8)
90-120Kg-Cm (100-140 in-lb)
Air Cleaner Lock Nuts (M 6)
60-90 Kg-Cm (70-1
05
in-lb)
Adapter Plate Engine Capscrews (M 8)
90-120Kg-Cm (100-140in-lb)
Crankcase Capscrews (M 6) 80-95 Kg-Cm (70-1 10 in-lb)
Shroud
&
Muffler Capscrews (M 6)
40-70 Kg-Cm (45-80 in-lb)
Ignition Switch Mounting Capscrew (M 6) 80-1 15 Kg-Cm (90-1
30
in-lb)
Air Cleaner Mounting Capscrew (M
5)
17-26 Kg-Cm (20-30 in-lb)
Recoil Starter Cup Capscrews (M 6) 80-95 Kg-Cm (70-1 10 in-lb)
Recoil Mounting Capscrews (M 6) 35-65 Kg-Cm (40-75 in-lb)
Recoil Center Capscrew (use thread lock compound) 80-95 Kg-Cm (70-1 10 in-lb)
Spark Plug (M 14) 70-1
05
Kg-Cm (80-1 20 in-lb)
Throttle Plate Capscrews (M 6) 80-95 Kg-Cm (70-1 10 in-lb)
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