MANUFACTURED BY: |  | JONSEREDS FABRIKERS AB |
 | | PARTILLE, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1986 |
YEAR DISCONTINUED: | | 1993 |
ENGINE DISPLACEMENT: | | 49ccm (2.9 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 45mm (1.77 in.) |
PISTON STROKE: | | 32mm (1.26 in.) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 3.1 (2.3 kW) |
WEIGHT: | | 4.8 kg (10.6 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--6-1, HDA-52
Tillotson HE-1A |
MAJOR REPAIR KIT: | | K22-HDA for Walbro
RK-1HE for Tillotson |
MINOR REPAIR KIT: | | D22-HDA for Walbro
DG-1HK for Tillotson |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Jonsereds automatic rewind |
OIL PUMP: | | Automatic |
MAXIMUM ENGINE RPM: | | 9,000 |
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 |
SPARK PLUG GAP: | | 0.5mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 530 ml (17.9 fl. oz.) |
FUEL OIL RATIO: | | 40:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Two-cycle chain saw mix oil |
CHAIN PITCH: | | .325 in. |
CHAIN TYPE: | | |
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 enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |