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Model: 603

MANUFACTURED BY:
SOLO KLEINMOTOREN GmbH
STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1986
YEAR DISCONTINUED:
1995
ENGINE DISPLACEMENT:
103cc (6.3 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
56mm (2.2 in.)
PISTON STROKE:
42mm (1.7 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with Nikasil coating
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
5.7kW (7.75 DIN)
WEIGHT:
7.9kg (17.4 lbs.) powerhead only
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:
Walbro WJ series
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Nylon mesh element
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic, gear driven
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.2 to 0.3 mm (0.008 to 0.012 in.)
SPARK PLUG TYPE:
Bosch WSR6F, Champion RCJ6Y
SPARK PLUG GAP:
0.5 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
866 ml (29.3 fl. oz.)
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
SOLO mix oil
CHAIN PITCH:
.404 in. or 3/8 in.
CHAIN TYPE:
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
60 cm (16 in.)
LONGEST GUIDE BAR SUPPLIED:
106 cm (42 in.)
COLOUR SCHEME:
Solo Red enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Discontinued pro model



 

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