MANUFACTURED BY:  |   | HUSQVARNA VAPENFABRIKS AB | 
  |   | HUSKVARNA, SWEDEN | 
SERIES OR ASSEMBLY NUMBER:  |   |  | 
SERIAL NUMBER PREFIX:   |   |  | 
YEAR INTRODUCED:  |   | 1971 | 
YEAR DISCONTINUED:  |   | 1982 | 
ENGINE DISPLACEMENT:  |   | 40 ccm (2.4 cu. in.) | 
NUMBER OF CYLINDERS:  |   | 1 | 
CYLINDER BORE:  |   | 40 mm (1.575 in.) | 
PISTON STROKE:  |   | 32 mm (1.260 in.) | 
PISTON RING THICKNESS:   |   |  | 
CYLINDER TYPE:  |   | Aluminum with chrome plated bore | 
INTAKE METHOD:  |   | Piston Ported | 
MANUFACTURER ADVERTISED H.P.:  |   | 1.9 kW | 
WEIGHT:  |   | 5.3 kg with 32 cm bar & chain 
  11.6 lbs. with 13 in. bar & chain | 
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:  |   | Two piece electronic | 
CARBURETOR:  |   | Walbro HDC-32A | 
MAJOR REPAIR KIT:  |   | K10-HDC | 
MINOR REPAIR KIT:  |   | D10-HDC | 
AIR FILTER SYSTEM:  |   | Nylon mesh cartridge | 
STARTER TYPE:  |   | Automatic rewind | 
OIL PUMP:  |   | Automatic, gear driven, not adjustable | 
MAXIMUM ENGINE RPM:  |   | 12,000 | 
IDLE RPM:  |   | 3,000 | 
IGNITION TIMING:  |   | Match keyway in flywheel with brand of ignition, Bosch or  Prufrex  | 
BREAKER POINT SETTING:  |   | none | 
FLYWHEEL/COIL AIR GAP:  |   | 0.30 to 0.35 mm (0.012 to 0.014 in.) | 
SPARK PLUG TYPE:  |   | Bosch WS7F, Champion RCJ7Y | 
SPARK PLUG GAP:  |   | 0.5 mm (0.020 in.) | 
CRANKSHAFT MAIN BEARINGS:  |   | Ball | 
FUEL TANK CAPACITY:  |   | 500 ml (16.9 fl. oz.) | 
FUEL OIL RATIO:  |   | 50:1 | 
RECOMMENDED FUEL OCTANE:  |   | Regular grade | 
MIX OIL SPECIFICATION:  |   | Electrolux approved 2-cycle mix oil | 
CHAIN PITCH:  |   | .325 in. | 
CHAIN TYPE:  |   | Oregon 21 | 
BAR MOUNT PATTERN:  |   | 01 link | 
SHORTEST GUIDE BAR SUPPLIED:  |   | 32 cm (13 in.) | 
LONGEST GUIDE BAR SUPPLIED:  |   | 45 cm (18 in.) | 
COLOUR SCHEME:  |   | Husqvarna Orange | 
PAINT CODES:  |   |  | 
ILLUSTRATED PARTS LIST:  |   |   | 
SERVICE MANUAL:  |   |   |