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Model: 601

MANUFACTURED BY:
JONSEREDS FABRIKERS AB
PARTILLE, SWEDEN
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1969
YEAR DISCONTINUED:
1972
ENGINE DISPLACEMENT:
56cc
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
45mm (1.77 in.)
PISTON STROKE:
35mm (1.378 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
2.65kW @ 7700 rpm
WEIGHT:
6.19kg
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Pagani
CARBURETOR:
Tillotson HS-21D series
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Nylon mesh cylinder
STARTER TYPE:
Jonsereds automatic rewind
OIL PUMP:
Automatic, worm gear driven
MAXIMUM ENGINE RPM:
10,200
IDLE RPM:
IGNITION TIMING:
3.2mm before TDC
BREAKER POINT SETTING:
0.30 to 0.40mm
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:
Chipper
BAR MOUNT PATTERN:
18 link
SHORTEST GUIDE BAR SUPPLIED:
33 cm (13 in.)
LONGEST GUIDE BAR SUPPLIED:
50 cm (20 in.)
COLOUR SCHEME:
Red and Silver enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:

Colour photographs couresy George Blake collection
 

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