In November 1959, the Husqvarna 90 was presented, a gas chainsaw with noise levels that were half that of the competition’s.
MANUFACTURED BY: HUSQVARNA VAPENFABRIKS AB HUSKVARNA, SWEDEN SERIES OR ASSEMBLY NUMBER: A, E, F,G YEAR INTRODUCED: 1959 YEAR DISCONTINUED: ENGINE DISPLACEMENT: 90cc (5.5 cu. in.) NUMBER OF CYLINDERS: 1 CYLINDER BORE: 52 mm PISTON STROKE: 42 mm CYLINDER TYPE: Aluminum with chrome plated bore INTAKE METHOD: Piston ported MANUFACTURER ADVERTISED H.P.: not advertised WEIGHT: 11.5 kg OPERATOR CONFIGURATION: One Man operation HANDLEBAR SYSTEM: Rigid CHAIN BRAKE: none CLUTCH: Centrifugal DRIVE TYPE: Direct CONSTRUCTION: Die cast magnesium MAGNETO TYPE: Bosch CARBURETOR: Tillotson HL series MAJOR REPAIR KIT: MINOR REPAIR KIT: AIR FILTER SYSTEM: Nylon mesh cartridge STARTER TYPE: Automatic rewind OIL PUMP: Manual, built into sprocket cover MAXIMUM ENGINE RPM: 6,000 IDLE RPM: IGNITION TIMING: 24 degrees before TDC BREAKER POINT SETTING: 0.4 mm (0.020 in.) FLYWHEEL/COIL AIR GAP: position is fixed SPARK PLUG TYPE: Bosch W 225 T1 SPARK PLUG GAP: 0.51 mm (0.020 in.) CRANKSHAFT MAIN BEARINGS: Ball FUEL TANK CAPACITY: 1100 ml FUEL OIL RATIO: 25:1 RECOMMENDED FUEL OCTANE: Regular grade MIX OIL SPECIFICATION: Two cycle air cooled engine mix oil CHAIN PITCH: 7/16 in. CHAIN TYPE: BAR MOUNT PATTERN: 16 link SHORTEST GUIDE BAR SUPPLIED: 33 cm (13 in.) LONGEST GUIDE BAR SUPPLIED: COLOUR SCHEME: Husqvarna Orange and Black enamel PAINT CODES: ILLUSTRATED PARTS LIST: SERVICE MANUAL: COMMENTS: First model of Husqvarna Chain Saw, 90 type A