JONSERED 70.


MANUFACTURED BY: JONSEREDS FABRIKERS, ABPARTILLE, 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
OPERATING RPM:11,300
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