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Model: 15-20

MANUFACTURED BY:
PIONEER SAWS LTD.
PETERBOROUGH, ONTARIO, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1968
YEAR DISCONTINUED:
1970
ENGINE DISPLACEMENT:
4.0cu. in. (65ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.875 in. (47.6mm)
PISTON STROKE:
1.45 in. (36.8mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Chrome plated aluminum
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
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 flywheel type
CARBURETOR:
Tillotson HS-39A or 39B
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Flocked screen
STARTER TYPE:
Pioneer automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
7,500 under load
IDLE RPM:
where clutch disengages
IGNITION TIMING:
30 degrees before TDC
BREAKER POINT SETTING:
.015 in.
FLYWHEEL/COIL AIR GAP:
position is fixed
SPARK PLUG TYPE:
Champion CJ6
SPARK PLUG GAP:
.030 in.
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
16:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Pioneer oil or SAE 30 or SAE 40 API MS, SC, SD
CHAIN PITCH:
1/2 in.
CHAIN TYPE:
Pioneer Duracut
BAR MOUNT PATTERN:
01 link
SHORTEST GUIDE BAR SUPPLIED:
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
Pioneer Yellow
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:




 

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