MANUFACTURED BY: |  | HUSQVARNA VAPENFABRIKS AB |
 | | HUSKVARNA, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1987 |
YEAR DISCONTINUED: | | 1997 |
ENGINE DISPLACEMENT: | | 67 ccm (4.1 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 50 mm (1.97 in.) |
PISTON STROKE: | | 34 mm (1.34 in.) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 4.7 (3.5 kW) |
WEIGHT: | | 13.7 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 Electrolux ET |
CARBURETOR: | | Tillotson HS-134A, 234A, B, 260 series |
MAJOR REPAIR KIT: | | RK-23HS |
MINOR REPAIR KIT: | | DG-5HS/T |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic |
MAXIMUM ENGINE RPM: | | 12,500 max no load after break in, 9,000 under load. |
IDLE RPM: | | 2,500 |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.30 to 0.35 mm (0.012 to 0.014 in.) |
SPARK PLUG TYPE: | | Bosch WSR7F, WS7F, NGK BPMR7A, Champion RCJ7Y |
SPARK PLUG GAP: | | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 25.4 fl. oz. |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular grade |
MIX OIL SPECIFICATION: | | Electrolux approved, Husqvarna mix oil |
CHAIN PITCH: | | 3/8 in. |
CHAIN TYPE: | | Oregon 72 or 73 |
BAR MOUNT PATTERN: | | 17 link |
SHORTEST GUIDE BAR SUPPLIED: | | 38 cm (15 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 51 cm (20 in.) |
COLOUR SCHEME: | | Husqvarna Orange |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |