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Model: 4MG CHAIN SAW

MANUFACTURED BY:
MALL TOOL COMPANY
CHICAGO, ILLINOIS, U.S.A.
CRETE, ILLINOIS, U.S.A.
TORONTO, ONTARIO, CANADA
GUELPH, ONTARIO, CANADA
SERIES OR ASSEMBLY NUMBER:
43660A
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1955
YEAR DISCONTINUED:
1957
ENGINE DISPLACEMENT:
6.45 cu. in. (105cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.25in. (57mm)
PISTON STROKE:
1.625 in. (41mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Chrome Plated Aluminum
INTAKE METHOD:
Reed Valve
MANUFACTURER ADVERTISED H.P.:
5.5 Brake Horsepower
WEIGHT:
OPERATOR CONFIGURATION:
One Man
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
2 Shoe Centrifugal Fairbanks Morse
DRIVE TYPE:
Direct
CONSTRUCTION:
Die Cast Magnesium Castings
MAGNETO TYPE:
Bendix Scintilla
CARBURETOR:
Tillotson HP Diaphragm type
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
nla
AIR FILTER SYSTEM:
Skinner Ribbon Element
STARTER TYPE:
Mall Design Automatic Rewind
OIL PUMP:
Manual, built into clutch cover
MAXIMUM ENGINE RPM:
5,000
IDLE RPM:
IGNITION TIMING:
30 Degrees B.T.D.C.
BREAKER POINT SETTING:
0.018" to 0.020" (0.45 to 0.51 mm)
FLYWHEEL/COIL AIR GAP:
Position fixed
SPARK PLUG TYPE:
Champion J6J
SPARK PLUG GAP:
0.025 in. (0.63mm)
CRANKSHAFT MAIN BEARINGS:
Ball and Roller type
FUEL TANK CAPACITY:
1 U.S. quart
FUEL OIL RATIO:
1/2 Pint to 1 Gallon (U.S.)
RECOMMENDED FUEL OCTANE:
72 to 84 Octane Regular Grade
MIX OIL SPECIFICATION:
SAW 30 Non Detergent or MALL Oil # 48411
CHAIN PITCH:
9/16 in. (14mm)
CHAIN TYPE:
Mall Chrome Plated Side Planer
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
15 in. (38cm)
LONGEST GUIDE BAR SUPPLIED:
24 in. (61 cm)
COLOUR SCHEME:
MALL Red
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:


Saw in SON RANCH LOGGING MUSEUM collection, photo's by Mike Acres


Images below courtesy of JBM Collection, VA, USA



 

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