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Model: P40

MANUFACTURED BY:
PIONEER SAWS LTD.
PETERBOROUGH, ONTARIO, CANADA
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1973
YEAR DISCONTINUED:
1976
ENGINE DISPLACEMENT:
3.97 cu. in. (66ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.875 in. (47.6mm)
PISTON STROKE:
1.437 in. (36.5mm)
PISTON RING THICKNESS:
2 rings were used
CYLINDER TYPE:
Aluminum with Chrome plated bore
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Optional during late production, mechanical type
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast Magnesium
MAGNETO TYPE:
Pioneer breaker point type
CARBURETOR:
Tillotson HS147A, B, C, D series
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Nylon mesh cartridge
STARTER TYPE:
Pioneer automatic rewind, pinion type up to s.n. 1113801
then pawl type to finish of production and intro of P41
OIL PUMP:
Automatic, adjustable
MAXIMUM ENGINE RPM:
9,500 under load
IDLE RPM:
where clutch disengages
IGNITION TIMING:
30 degrees before TDC
BREAKER POINT SETTING:
.017in to .018 in.
FLYWHEEL/COIL AIR GAP:
0.012 in. (0.30 mm)
SPARK PLUG TYPE:
Champion CJ8
SPARK PLUG GAP:
.030 in. (0.76mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
24:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Pioner Oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Pioneer C3GH
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in.
LONGEST GUIDE BAR SUPPLIED:
28 in.
COLOUR SCHEME:
Pioneer pale Yellow and Forest Green
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
had 5/16" bar studs. A chainbrake kit was abailable later in production.



 

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