MANUFACTURED BY:
PIONEER SAWS LTD.
PETERBOROUGH, ONTARIO, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1979
YEAR DISCONTINUED:
1982
ENGINE DISPLACEMENT:
3.97 cu. in. (66cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.875 in. (47.6mm)
PISTON STROKE:
1.437 in. (36.5mm)
CYLINDER TYPE:
Chrome plated aluminum
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT :
16 lbs. (7.3kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
none on early models, mechanical brake introduced on later models
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Prestolite electronic system (blue coloured module)
CARBURETOR:
Tillotson HS-147D series
Walbro SDC-79A
MAJOR REPAIR KIT:
Tillotson RK-23HS
Walbro K10-SDC
MINOR REPAIR KIT:
Tillotson DG-4HS/T
Walbro D10-SDC
AIR FILTER SYSTEM:
Nylon mesh element
STARTER TYPE:
Pioneer pinion type automatic rewind with compression release interconnected
OIL PUMP:
Automatic, adjustable
OPERATING RPM:
9,000
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
.025 to .030 in. (0.63 to 0.76 mm)
SPARK PLUG TYPE:
Champion KCJ7Y
SPARK PLUG GAP:
.030 in.
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
26 fl. oz. (770ml)
FUEL OIL RATIO:
24:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Pioneer Oil
CHAIN PITCH:
3/8"
CHAIN TYPE:
PioneerC3
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40cm)
LONGEST GUIDE BAR SUPPLIED:
28 in. (61cm)
COLOUR SCHEME:
Orange, Black and Silver enamel