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Model: REX

MANUFACTURED BY:
SOLO KLEINMOTOREN GmbH
STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER:
604
YEAR INTRODUCED:
1958
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
7.2 cu. in. (125cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
54mm (2.12 in.)
PISTON STROKE:
54mm (2.12 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
5 DIN, 7 SAE
WEIGHT:
26 lbs. (11.4 kg) with 17 in. (43 cm) bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Bosch
CARBURETOR:
Tillotson HL-80A
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Mesh
STARTER TYPE:
SOLO automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
4600
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
0.5 mm (0.020 in.)
FLYWHEEL/COIL AIR GAP:
fixed, not adjustable
SPARK PLUG TYPE:
Bosch W175, Champion J8J, also lists L10 or L90 normal service and L85 for severe service
SPARK PLUG GAP:
0.63 mm (1.025 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
1.3 litres
FUEL OIL RATIO:
25:1
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
SAE 30 or 50
CHAIN PITCH:
7/16"
CHAIN TYPE:
Oregon 62C
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
43cm (17 in.)
LONGEST GUIDE BAR SUPPLIED:
75cm (30 in.)
COLOUR SCHEME:
SOLO Blue
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
First chain saw to extensively utilize plastic parts


Colour Photographs courtesy Wayne's Chainsaw Museum

colour photographs courtesy Martin Pfeiffer

 

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