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Model: 634

MANUFACTURED BY:
SOLO KLEINMOTOREN GmbH
STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1986
YEAR DISCONTINUED:
1994
ENGINE DISPLACEMENT:
34cc (2.0 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
38 mm (1.50 in.)
PISTON STROKE:
30 mm (1.18 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with Nikasil coating
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
2.2 (1.6 kW)
WEIGHT:
4.5 kg (9.9 lbs.), powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Yes
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium, injection molded plastic
MAGNETO TYPE:
Electronic
CARBURETOR:
Bing
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Cellulose fiber element
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.25 to 0.30 mm (0.009 to 0.011 in.)
SPARK PLUG TYPE:
Bosch WSR6F, Champion RCJ6Y
SPARK PLUG GAP:
0.5 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Caged needle roller
FUEL TANK CAPACITY:
473 ml (16 fl. oz.)
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
SOLO mix oil
CHAIN PITCH:
3/8 in. low profile
CHAIN TYPE:
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
35 cm (14 in.)
LONGEST GUIDE BAR SUPPLIED:
40 cm (16 in.)
COLOUR SCHEME:
SOLO Red and Black
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:

 

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