MANUFACTURED BY: |  | JONSEREDS FABRIKERS AB |
 | | PARTILLE, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1988 |
YEAR DISCONTINUED: | | 1993 |
ENGINE DISPLACEMENT: | | 50.8 cc (3.10 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 45 mm (1.77 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.: | | 3.7 (2.7 kW) |
WEIGHT: | | 5.2 kg (11.4 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | Inertia activated |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast Magnesium, injection molded polymer |
MAGNETO TYPE: | | Electronic |
CARBURETOR: | | Walbro HDA-68-1 |
MAJOR REPAIR KIT: | | K22-HDA |
MINOR REPAIR KIT: | | D22-HDA |
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: | | 0.3 to 0.4 mm (0.012 to 0.016 in.) |
SPARK PLUG TYPE: | | Bosch WS7F, Champion RCJ7Y |
SPARK PLUG GAP: | | 0.51 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 508 ml (17.2 fl. oz.) |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Electrolux approved mix oil |
CHAIN PITCH: | | .325 in. |
CHAIN TYPE: | | Oregon 20LP or 21LP |
BAR MOUNT PATTERN: | | 01 link |
SHORTEST GUIDE BAR SUPPLIED: | | 33 cm (13 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 46 cm (18 in.) |
COLOUR SCHEME: | | Red and Black |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |