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Model: 820

MANUFACTURED BY:
JONSEREDS FABRIKERS AB
PARTILLE, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
80.7cc (4.9 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
52mm (2.047 in.)
PISTON STROKE:
38mm (1.496 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
8.75 kg with 40 cm bar & chain
19.3 lbs. with 16 in. bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Inertia activated
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium, injection molded plastic
MAGNETO TYPE:
Electronic
CARBURETOR:
Tillotson HS-219B 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, gear driven
MAXIMUM ENGINE RPM:
9,000
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.3 mm (0.012 in.)
SPARK PLUG TYPE:
Bosch WS7F, Champion RCJ7Y
SPARK PLUG GAP:
0.51 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
980 ml (33.1 oz.)
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Electrolux approved mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
BAR MOUNT PATTERN:
18 link
SHORTEST GUIDE BAR SUPPLIED:
41 cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
74 cm (29 in.)
COLOUR SCHEME:
Red and Black
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:


Colour Photrographs courtesy Henry Coker

 

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