MANUFACTURED BY:
JONSEREDS FABRIKERS AB
PARTILLE, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1979
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
86 cc (5.3 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
54 mm (2.126 in.)
PISTON STROKE:
38 mm (1.496 in.)
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
6.8 kg (15 lbs.) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Yes
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Electronic
CARBURETOR:
Tillotson HS 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, adjustable
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.3 mm (0.012 in.)
SPARK PLUG TYPE:
Bosch WS7F
SPARK PLUG GAP:
0.5 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
946 ml (32 fl oz.)
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular grade 72 to 83
MIX OIL SPECIFICATION:
Two-stroke chain saw mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Oregon
BAR MOUNT PATTERN:
18 link
SHORTEST GUIDE BAR SUPPLIED:
38 cm (15 in.)
LONGEST GUIDE BAR SUPPLIED:
91 cm (36 in.)
COLOUR SCHEME:
Red with Black top cover and handles