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Model: 19A "Pacemaker"

MANUFACTURED BY:
PM (Power Machinery Ltd.)
VANCOUVER, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER:
Starting serial number 192001
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1954
YEAR DISCONTINUED:
1956
ENGINE DISPLACEMENT:
6.25 cu. in. (102 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.125 in. (53.9 mm)
PISTON STROKE:
1.750 in. (44.4 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum Chrome plated
INTAKE METHOD:
Poppet valve
MANUFACTURER ADVERTISED H.P.:
5.5 @ 6,000
WEIGHT:
26 lbs., (11.7 kg) powerhead only
OPERATOR CONFIGURATION:
One man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal Fairbanks Morse
DRIVE TYPE:
Direct
CONSTRUCTION:
Sand cast magnesium and aluminum alloy
MAGNETO TYPE:
Wico FW-2401 flywheel magneto
CARBURETOR:
Tillotson HL-3A series diaphragm type
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
DG-1HL
AIR FILTER SYSTEM:
Wire screen element
STARTER TYPE:
Fairbanks Morse automatic rewind
OIL PUMP:
Manual pump
MAXIMUM ENGINE RPM:
5,500 to 6,500
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
.020" (0.51 mm) WICO points & condensor set X-9556
FLYWHEEL/COIL AIR GAP:
Position is fixed
SPARK PLUG TYPE:
Champion J-8
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball and caged needle
FUEL TANK CAPACITY:
FUEL OIL RATIO:
16:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 30 or 40
CHAIN PITCH:
.404
CHAIN TYPE:
Oregon # 51
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40cm)
LONGEST GUIDE BAR SUPPLIED:
30 in. (76cm)
COLOUR SCHEME:
Red and Yellow enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Major design changes from 19. Main Bearing set up on clutch end of Crankshaft strengthened still further by using a 203 K.D.D. and 303 K.D.D. Bearing in tandem. Crankcase cover modified to accomodate this change. 19009 Chain Cover replaced by 19140 Chain Cover. 114-54 FM starter cup replaced by 19207 Starter Cup. Fuel shut-off cock repositioned on side of fuel tank as of sn A193593


UNIT IN SON RANCH LOGGING MUSEUM COLLECTION

 

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