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
MANUFACTURED BY:
HUSQVARNA VAPENFABRIKS AB
HUSKVARNA, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1975
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
63 ccm (3.8 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
47mm (1.85 in.)
PISTON STROKE:
36mm (1.42 in.)
CYLINDER TYPE:
Chrome plated aluminum
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
3.5 hk
WEIGHT:
7.6 kg. with 38cm bar & chain
16.7 lbs. with 15 in. 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:
Bosch CD Electronic
CARBURETOR:
Tillotson HS-122A series
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Nylon mesh element
STARTER TYPE:
Husqvarna automatic rewind
OIL PUMP:
Automatic, adjustable
MAXIMUM ENGINE RPM:
8,500
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Bosch WS7F or Champion CJ7Y
SPARK PLUG GAP:
0.5 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
0.85 litres (28.7 oz.)
FUEL OIL RATIO:
40:1 (4%)
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Two-cycle mix oil
CHAIN PITCH:
9.525mm (.375 in.) 3/8"
CHAIN TYPE:
Oregon
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
33cm (13 in.)
LONGEST GUIDE BAR SUPPLIED:
61 cm (24 in.)
COLOUR SCHEME:
Husqvarna Orange
