MANUFACTURED BY: |  | OLEO-MAC |
 |  | REGGIO EMILIA, ITALY |
SERIES OR ASSEMBLY NUMBER: |  | |
SERIAL NUMBER PREFIX: |  | |
YEAR INTRODUCED: |  | 1990 |
YEAR DISCONTINUED: |  | |
ENGINE DISPLACEMENT: |  | 50cc (3.0 cu. in.) |
NUMBER OF CYLINDERS: |  | 1 |
CYLINDER BORE: |  | 45 mm (1.77 in.) |
PISTON STROKE: |  | 31 mm (1.22 in.) |
PISTON RING THICKNESS: |  | |
CYLINDER TYPE: |  | Aluminum with chrome impregnated bore |
INTAKE METHOD: |  | Piston ported |
MANUFACTURER ADVERTISED H.P.: |  | 3.4 (2.5 kW) |
WEIGHT: |  | 10.7 lbs., powerhead only |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Anti-vibration |
CHAIN BRAKE: |  | Yes |
CLUTCH: |  | Centrifugal |
DRIVE TYPE: |  | Direct |
CONSTRUCTION: |  | Injection molded polymer, die cast magnesium |
MAGNETO TYPE: |  | Selettra electronic |
CARBURETOR: |  | Walbro WT-162-1 series |
MAJOR REPAIR KIT: |  | K20-WAT |
MINOR REPAIR KIT: |  | D10-WAT |
AIR FILTER SYSTEM: |  | Nylon mesh cartridge |
STARTER TYPE: |  | Automatic rewind |
OIL PUMP: |  | Automatic, gear driven |
MAXIMUM ENGINE RPM: |  | |
IDLE RPM: |  | |
IGNITION TIMING: |  | fixed |
BREAKER POINT SETTING: |  | none |
FLYWHEEL/COIL AIR GAP: |  | 0.014 in. (0.35 mm) |
SPARK PLUG TYPE: |  | Bosch WS7F |
SPARK PLUG GAP: |  | 0.020 in. (0.51 mm) |
CRANKSHAFT MAIN BEARINGS: |  | Ball |
FUEL TANK CAPACITY: |  | 16.9 fl. oz. |
FUEL OIL RATIO: |  | 50:1 |
RECOMMENDED FUEL OCTANE: |  | Regular grade |
MIX OIL SPECIFICATION: |  | Two-cycle chain saw mix oil |
CHAIN PITCH: |  | .325 in. |
CHAIN TYPE: |  | |
BAR MOUNT PATTERN: |  |  |
SHORTEST GUIDE BAR SUPPLIED: |  | 15 in. (38 mm) |
LONGEST GUIDE BAR SUPPLIED: |  | 18 in. (45 cm) |
COLOUR SCHEME: |  | Orange and Grey/Black |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |