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Model: Rocket

MANUFACTURED BY:
PM (Power Machinery Ltd.)
VANCOUVER, BRITISH COLUMBIA, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1953
YEAR DISCONTINUED:
1953
ENGINE DISPLACEMENT:
5.5 cu. in. (90 ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.0 in. (50.8 mm)
PISTON STROKE:
1.75 in. (44.4 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with Chrome plated bore
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
4 hp @ 4,000 rpm
WEIGHT:
24.5 lbs. (11.1 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gilmer Belt reduction
CONSTRUCTION:
Sand cast magnesium
MAGNETO TYPE:
Wico
CARBURETOR:
Tillotson MD float type with pressurized fuel tank
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
nla
AIR FILTER SYSTEM:
Chore Girl shredded copper element
STARTER TYPE:
Schnacke automatic rewind with steel cable
OIL PUMP:
Automatic
MAXIMUM ENGINE RPM:
4,000
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
0.018 to 0.020 in. (0.45 to 0.5 mm)
FLYWHEEL/COIL AIR GAP:
fixed
SPARK PLUG TYPE:
Champion J-8
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball on clutch end, caged needle roller on flywheel end
FUEL TANK CAPACITY:
FUEL OIL RATIO:
3/4 pint to 1 Imperial Gallon 12:1
RECOMMENDED FUEL OCTANE:
Regular automotive
MIX OIL SPECIFICATION:
SAE 50
CHAIN PITCH:
9/16 in.
CHAIN TYPE:
PM Chipper
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
14 in. (35.5 cm)
LONGEST GUIDE BAR SUPPLIED:
26 in. (66 cm)
COLOUR SCHEME:
Red wrinkle finish enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
First of 4 versions



 

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