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Model: 390

MANUFACTURED BY:
PM (Power Machinery Ltd.)
VANCOUVER, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1968
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
8.5 cu. in. (139 ccm(
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.6875 in. (68.2 mm)
PISTON STROKE:
1.5 in. (38 mm)
PISTON RING THICKNESS:
2 rings used
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
24 lbs. powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal, 3 metal shoes
DRIVE TYPE:
Direct
CONSTRUCTION:
Sand cast magnesium
MAGNETO TYPE:
Flywheel type breaker point
CARBURETOR:
Tillotson HL
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
DG-1HL
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Fairbanks Morse automatic rewind
OIL PUMP:
Automatic with manual override
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
0.015 in. (0.38 mm)
FLYWHEEL/COIL AIR GAP:
fixed, not adjustable
SPARK PLUG TYPE:
Champion J6J
SPARK PLUG GAP:
0.025 in.
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
1420 ml
FUEL OIL RATIO:
16:1
RECOMMENDED FUEL OCTANE:
Regular automotive gasoline
MIX OIL SPECIFICATION:
Two-cycle type mix oil
CHAIN PITCH:
.404 in.
CHAIN TYPE:
Oregon 51C
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
60 in. (152 cm)
COLOUR SCHEME:
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Model 380 with bigger displacement engine



 

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