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Model: STARLET

MANUFACTURED BY:
JO-BU A/S MEKANISKE VERKSTED
DROBAK, NORWAY
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1964
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
69 ccm (4.2 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
50mm (1.96 in.)
PISTON STROKE:
35mm (1.37 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
INTAKE METHOD:
MANUFACTURER ADVERTISED H.P.:
3.5
WEIGHT:
8.4 kg. with 40 cm bar & chain
18.5 lbs. with 15 in. bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal, engages at 3,500 rpm
DRIVE TYPE:
Direct
CONSTRUCTION:
MAGNETO TYPE:
Bosch
CARBURETOR:
Tillotson HS-69A
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
STARTER TYPE:
OIL PUMP:
Automatic, synchronized with throttle. Adjustable
MAXIMUM ENGINE RPM:
7000
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
SPARK PLUG GAP:
CRANKSHAFT MAIN BEARINGS:
FUEL TANK CAPACITY:
900 ml
FUEL OIL RATIO:
20:1
RECOMMENDED FUEL OCTANE:
MIX OIL SPECIFICATION:
CHAIN PITCH:
.404 in.
CHAIN TYPE:
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
LONGEST GUIDE BAR SUPPLIED:
COLOUR SCHEME:
Silver with Red top
Gold with Red top
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:

Colour photographs courtesy George Blake collection
 

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