MANUFACTURED BY: |  | PM (Power Machinery Ltd.) |
 | | VANCOUVER, BRITISH COLUMBIA, CANADA |
SERIES OR ASSEMBLY NUMBER: | | from serial no. R-101 through R2499 |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1951 |
YEAR DISCONTINUED: | | 1951 |
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 FW2146 |
CARBURETOR: | | Tillotson MD-44A float type mounted at 45 degree angle, gravity fuel feed |
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. Fed oil to chain through holes drilled in chain sprocket |
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) WICO X-7544 |
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: | | 18 in. Part no. 16762-18 use with 16016 sprocket only (5 tooth) |
LONGEST GUIDE BAR SUPPLIED: | | 36 in. Part no. 16762-36 use with 16016 sprocket only (5 tooth) |
COLOUR SCHEME: | | Red wrinkle finish enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |