MANUFACTURED BY: |  | HUSQVARNA VAPENFABRIKS AB |
 | | HUSKVARNA, SWEDEN |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1987 |
YEAR DISCONTINUED: | | 1990 |
ENGINE DISPLACEMENT: | | 99ccm (6.0 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 56mm (2.20 in.) |
PISTON STROKE: | | 40mm (1.57 in.) |
PISTON RING THICKNESS: | | 2 rings used |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 6.7 hp (4.9 Kw) |
WEIGHT: | | 9.2 kg (20.3 lbs.), powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | Mechanical |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast Magnesium |
MAGNETO TYPE: | | Electronic |
CARBURETOR: | | Tillotson HS-136C, E, J 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 with manual override |
MAXIMUM ENGINE RPM: | | 12,500 maximum after break in |
IDLE RPM: | | |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.30 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: | | 1 litre (33.8 fl. oz.) |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Two-stroke chain saw mix oil |
CHAIN PITCH: | | 3/8 in. or .404 in. |
CHAIN TYPE: | | Oregon 51J or 58J |
BAR MOUNT PATTERN: | | 17 link |
SHORTEST GUIDE BAR SUPPLIED: | | 40cm (16 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 152cm (60 in.) |
COLOUR SCHEME: | | Husqvarna Orange enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |