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Model: 70

MANUFACTURED BY:
JONSEREDS FABRIKERS AB
PARTILLE, SWEDEN
SERIES OR ASSEMBLY NUMBER:
70E
YEAR INTRODUCED:
1977
YEAR DISCONTINUED:
1983
ENGINE DISPLACEMENT:
69cc (4.2 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
50mm (1.96 in.)
PISTON STROKE:
35mm (1.37 in.)
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
3.2kW @ 8500 rpm
WEIGHT:
7.5kg
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
None
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
SEM electronic
CARBURETOR:
Tillotson HS-101C series
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Nylon mesh cartridge
STARTER TYPE:
Jonsereds automatic rewind
OIL PUMP:
Automatic, worm gear driven
MAXIMUM ENGINE RPM:
11,300
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.30 mm (0.012 in.)
SPARK PLUG TYPE:
Champion CJ7Y
SPARK PLUG GAP:
0.5 to 0.6mm (0.020 to 0.024 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
.95 litres
FUEL OIL RATIO:
25:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Two-cycle chain saw mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Chisel
BAR MOUNT PATTERN:
18 link
SHORTEST GUIDE BAR SUPPLIED:
30cm (12 in.)
LONGEST GUIDE BAR SUPPLIED:
56cm (22 in.)
COLOUR SCHEME:
Red and Black enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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