MANUFACTURED BY: |  | PIONEER/PARTNER |
 | | HURON PARK, ONTARIO, CANADA |
SERIES OR ASSEMBLY NUMBER: | | 123 series |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1984 |
YEAR DISCONTINUED: | | 1988 |
ENGINE DISPLACEMENT: | | 34cc (2.1 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 36.5mm (1.4375 in.) |
PISTON STROKE: | | 32.5mm (1.280 in.) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | Not advertised |
WEIGHT: | | 4.9kg (10.7 lbs.) with 30cm (12 in.) bar & chain |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | Yes |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | Phelon electronic |
CARBURETOR: | | Walbro WA-58A series |
MAJOR REPAIR KIT: | | K10-WAT |
MINOR REPAIR KIT: | | D10-WAt |
AIR FILTER SYSTEM: | | Cellulose fiber element |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic, worm gear driven |
MAXIMUM ENGINE RPM: | | 7,800, 10,500 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: | | Caged needle roller |
FUEL TANK CAPACITY: | | 350ml (12.3 Imp. Oz.) |
FUEL OIL RATIO: | | 40:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Two-stroke chain saw mix oil |
CHAIN PITCH: | | 3/8 in. Low Profile |
CHAIN TYPE: | | Oregon 91SG |
BAR MOUNT PATTERN: | | 02 link |
SHORTEST GUIDE BAR SUPPLIED: | | 30cm (12 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 40cm (16 in.) |
COLOUR SCHEME: | | Partner Yellow enamel with black rear handle, air filter cover and chainbrake lever |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |