MANUFACTURED BY: | | PIONEER SAWS LTD. |
| | PETERBOROUGH, ONTARIO, CANADA |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
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: | | |