MANUFACTURED BY: HUSQVARNA VAPENFABRIKS AB
HUSKVARNA, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED: 1978
YEAR DISCONTINUED:
ENGINE DISPLACEMENT: 77cc (4.7 cu. in.)
NUMBER OF CYLINDERS: 1
CYLINDER BORE: 52mm (2.05 in.)
PISTON STROKE: 36mm (1.42 in.)
CYLINDER TYPE: Aluminum with chrome plated bore
INTAKE METHOD: Piston ported
MANUFACTURER ADVERTISED H.P.: 4.6/3.4 hk.kW
WEIGHT : 8.8 kg with 45 cm bar & chain
OPERATOR CONFIGURATION: One Man operation
HANDLEBAR SYSTEM: Anti-vibration
CHAIN BRAKE: Mechanical
CLUTCH: Centrifugal
DRIVE TYPE: Direct
CONSTRUCTION: Die cast magnesium
MAGNETO TYPE: Capacitor discharge
CARBURETOR: Tillotson HS-205A, C series
MAJOR REPAIR KIT: RK-23HS
MINOR REPAIR KIT: DG-5HS/T
AIR FILTER SYSTEM: Nylon mesh cartridge
STARTER TYPE: Husqvarna automatic rewind
OIL PUMP: Automatic, adjustable
OPERATING RPM: 8,500
IGNITION TIMING: Mark on stator plate should align with mark on crankcase
BREAKER POINT SETTING: none
FLYWHEEL/COIL AIR GAP: 0.3 mm (0.012 in.)
SPARK PLUG TYPE: Bosch WS7F or Champion CJ7Y
SPARK PLUG GAP: 0.5mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS: Ball
FUEL TANK CAPACITY: 800 ml
FUEL OIL RATIO: 40:1
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: Two-stroke chain saw mix oil
CHAIN PITCH: 3/8 in.
CHAIN TYPE:
BAR MOUNT PATTERN: 01 link
SHORTEST GUIDE BAR SUPPLIED: 40cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME: Husqvarna Orange enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:
