MANUFACTURED BY: |  | PIONEER SAWS LTD. |
 | | PETERBOROUGH, ONTARIO, CANADA |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1968 |
YEAR DISCONTINUED: | | 1971 |
ENGINE DISPLACEMENT: | | 4.7 cu. in. (77ccm) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 2.0 in. (50.8mm) |
PISTON STROKE: | | 1.5 in. (38mm) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Chrome plated aluminum |
INTAKE METHOD: | | Reed valves |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 21 lbs. (9.5 kg) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Gear reduction 2.5:1 ratio |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | Wico |
CARBURETOR: | | Tillotson HS-39A, B |
MAJOR REPAIR KIT: | | RK-23HS |
MINOR REPAIR KIT: | | DG-5HS/T |
AIR FILTER SYSTEM: | | Flocked wire screen |
STARTER TYPE: | | Pioneer automatic rewind |
OIL PUMP: | | Automatic with manual assist |
MAXIMUM ENGINE RPM: | | 7,500 working speed |
IDLE RPM: | | where clutch disengages |
IGNITION TIMING: | | 30 degrees before TDC |
BREAKER POINT SETTING: | | 0.015 in. (0.38mm) |
FLYWHEEL/COIL AIR GAP: | | position is fixed |
SPARK PLUG TYPE: | | Champion CJ8 |
SPARK PLUG GAP: | | 0.030 in. (0.76mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 32 fl. oz. (946 ml) |
FUEL OIL RATIO: | | 16:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | OMC two-cycle chain saw mix oil |
CHAIN PITCH: | | 7/16-.058 in. or 1/2-.063 in. |
CHAIN TYPE: | | Pioneer Duracut |
BAR MOUNT PATTERN: | | 01 link |
SHORTEST GUIDE BAR SUPPLIED: | | 20 in. (50 cm) |
LONGEST GUIDE BAR SUPPLIED: | | 42 in. (106 cm)
or Bow Bar |
COLOUR SCHEME: | | Pioneer Yellow enamel with Forest Green air filter cover |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |