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Model: 631K

MANUFACTURED BY:
SOLO KLEINMOTOREN GmbH
STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1984
YEAR DISCONTINUED:
1987
ENGINE DISPLACEMENT:
32cc (1.9 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
38 mm (1.496 in.)
PISTON STROKE:
28 mm (1.102 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Chrome plated aluminum
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
4.9kg (10-3/4 lbs.) with 35cm (14in) bar & chain
OPERATOR CONFIGURATION:
One Man operation, top handle saw
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
Mechanical
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Phelon
CARBURETOR:
Walbro HDC-10
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Nylon mesh element
STARTER TYPE:
SOLO automatic rewind
OIL PUMP:
Automatic
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
0.35 to 0.45 mm (0.014 to 0.017 in.)
FLYWHEEL/COIL AIR GAP:
0.25 mm (0.010 in.)
SPARK PLUG TYPE:
Bosch WKA175T6, Champion RCJ6
SPARK PLUG GAP:
0.5 mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Caged needle roller
FUEL TANK CAPACITY:
FUEL OIL RATIO:
25:1 after break in
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
SOLO mix oil
CHAIN PITCH:
3/8 in. low profile
CHAIN TYPE:
Oregon 91SG
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
35cm (14 in.)
LONGEST GUIDE BAR SUPPLIED:
40cm (16 in.)
COLOUR SCHEME:
Red and Black
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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