MANUFACTURED BY: |  | HUSQVARNA VAPENFABRIKS AB |
 | | HUSKVARNA, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1988 |
YEAR DISCONTINUED: | | 1995 |
ENGINE DISPLACEMENT: | | 42ccm (2.5 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 42 mm (1.65 in.) |
PISTON STROKE: | | 30 mm (1.18 in.) |
PISTON RING THICKNESS: | | 1.5 mm |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 2.9 hp (2.1 kW) |
WEIGHT: | | 4.7 kg (10.4 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 SEM AM7 |
CARBURETOR: | | Walbro HDA-34A, 84, 98, 108 series |
MAJOR REPAIR KIT: | | K20-HDA |
MINOR REPAIR KIT: | | D10-HDA |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic, worm gear driven |
MAXIMUM ENGINE RPM: | | 14,500 max free after break in, 9,300 under load. |
IDLE RPM: | | 2,700 |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.30 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: | | 520 ml (17.6 fl. oz.) |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular grade |
MIX OIL SPECIFICATION: | | Electrolux approved mix oil, Husqvarna mix oil |
CHAIN PITCH: | | .325 in. |
CHAIN TYPE: | | Oregon 20LP, 21LP |
BAR MOUNT PATTERN: | | 01 link |
SHORTEST GUIDE BAR SUPPLIED: | | 33 cm (13 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 45 cm (18 in.) |
COLOUR SCHEME: | | Husqvarna Orange |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |