MANUFACTURED BY: |  | PIONEER/PARTNER |
 | | HURON PARK, ONTARIO, CANADA |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1984 |
YEAR DISCONTINUED: | | 1988 |
ENGINE DISPLACEMENT: | | 50ccm (3.0 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 44 mm (1.73 in.) |
PISTON STROKE: | | 32 mm (1.26 in.) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | Not advertised |
WEIGHT: | | 5.9kg (13 lbs. with 33 cm (13 in.) bar & chain |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | Yes |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium and molded plastic |
MAGNETO TYPE: | | EM Electronic |
CARBURETOR: | | Walbro WA-158A series |
MAJOR REPAIR KIT: | | K10-WAT |
MINOR REPAIR KIT: | | D10-WAT |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic, worm gear driven |
MAXIMUM ENGINE RPM: | | 9,000, 13,500 no load |
IDLE RPM: | | |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.3 mm (0.012 in.) |
SPARK PLUG TYPE: | | Champion RCJ7Y, Bosch WS7F |
SPARK PLUG GAP: | | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 620ml (1.30 U.S. Pints) |
FUEL OIL RATIO: | | 40:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Two-Stroke chain saw mix oil |
CHAIN PITCH: | | .325 in. |
CHAIN TYPE: | | Oregon 21 |
BAR MOUNT PATTERN: | | 01 link |
SHORTEST GUIDE BAR SUPPLIED: | | 33 cm (13 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 50 cm (20 in.) |
COLOUR SCHEME: | | Partner Yellow with Black handles and chain brake lever |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |