POWER MACHINERY- PM 21 CANADIAN.


MANUFACTURED BY:PM (Power Machinery Ltd.)VANCOUVER, BRITISH COLUMBIA, CANADA
YEAR INTRODUCED:1957
ENGINE DISPLACEMENT:5 cu. in. (82 cc)
NUMBER OF CYLINDERS:1
CYLINDER BORE:2.250 in. (57mm)
PISTON STROKE:1.250 in. (31.7mm)
CYLINDER TYPE:Aluminum with cast nickle iron liner
INTAKE METHOD:Reed valve
MANUFACTURER ADVERTISED H.P.:6.1 @ 6,000 rpm
WEIGHT :20 lbs. (9 kg.) powerhead only
OPERATOR CONFIGURATION:One Man operation
HANDLEBAR SYSTEM:Rigid
CHAIN BRAKE:none
CLUTCH:Centrifugal
DRIVE TYPE:Direct
CONSTRUCTION:Sand cast magnueium
MAGNETO TYPE:Wico FW2456 series
CARBURETOR:Tillotson HL-29A diaphragm type
MINOR REPAIR KIT:DG-1HL
AIR FILTER SYSTEM:Flocked wire screen
STARTER TYPE:Fairbanks Morse automatic rewind
OIL PUMP:Manual
OPERATING RPM:6,000 to 6,500
IGNITION TIMING:fixed
BREAKER POINT SETTING:.020 in. (0.51 mm)
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:Caged roller
FUEL OIL RATIO:16:1
RECOMMENDED FUEL OCTANE:Regular
MIX OIL SPECIFICATION:SAE 30 or 40
CHAIN PITCH:.404 in.
CHAIN TYPE:Oregon 51AC
SHORTEST GUIDE BAR SUPPLIED:18 in. (45 cm)
LONGEST GUIDE BAR SUPPLIED:30 in. (76 cm)
COLOUR SCHEME:Yvory/White enamel with Blue/Red accents