MANUFACTURED BY: |  | PIONEER SAWS LTD. |
 | | PETERBOROUGH, ONTARIO, CANADA |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1979 |
YEAR DISCONTINUED: | | 1982 |
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: | | |
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 |
MAXIMUM ENGINE RPM: | | 9,000 |
IDLE RPM: | | where clutch disengages |
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 |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |