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: | | 4500H |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1954 |
YEAR DISCONTINUED: | | 1955 |
ENGINE DISPLACEMENT: | | 5.0 cu. in. (80ccm) |
NUMBER OF CYLINDERS: | | One |
CYLINDER BORE: | | 2.06 in. (52mm) |
PISTON STROKE: | | 1.5 in. (38mm) |
PISTON RING THICKNESS: | | 2 rings used |
CYLINDER TYPE: | | Aluminum with CHROME plated bore |
INTAKE METHOD: | | Reed Valve |
MANUFACTURER ADVERTISED H.P.: | | 3.5 Brake Horsepower |
WEIGHT: | | With 18in (45cm) Bar - 34lbs. (15.4kg.) |
OPERATOR CONFIGURATION: | | One Man Operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal Mall Design |
DRIVE TYPE: | | Gilmer Belt Reduction |
CONSTRUCTION: | | Sand Cast Magnesium, later version Die Cast Magnesium |
MAGNETO TYPE: | | Bendix Scintilla |
CARBURETOR: | | Tillotson ME Float type, optional Tillotson HP Diaphragm |
MAJOR REPAIR KIT: | | nla |
MINOR REPAIR KIT: | | nla |
AIR FILTER SYSTEM: | | Skinner ribbon element |
STARTER TYPE: | | Mall Design Rewind type |
OIL PUMP: | | Automatic eccentric driven piston pump |
MAXIMUM ENGINE RPM: | | 5,000 under load |
IDLE RPM: | | 2,800 |
IGNITION TIMING: | | Fire at 38 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" (0.63mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball and Roller types |
FUEL TANK CAPACITY: | | 24 fl. oz. |
FUEL OIL RATIO: | | 1/2 pint to 1 U.S. gallon (16-1) |
RECOMMENDED FUEL OCTANE: | | Regular. 72 to 84 octane |
MIX OIL SPECIFICATION: | | SAE 30 non detergent or Mall Oil # 22715 |
CHAIN PITCH: | | 9/16" (14mm) |
CHAIN TYPE: | | Mall Inside-Outside Router |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 12 in. (30cm) |
LONGEST GUIDE BAR SUPPLIED: | | 42 in. (106cm) |
COLOUR SCHEME: | | Mall Red |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |