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: | | 28750A |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1950 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 12.19 cu. in. |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 2.375 in. |
PISTON STROKE: | | 2.750 in. |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Chrome Plated Aluminum |
INTAKE METHOD: | | Poston Ported |
MANUFACTURER ADVERTISED H.P.: | | |
WEIGHT: | | |
OPERATOR CONFIGURATION: | | Two Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Mall 2 shoe centrifugal |
DRIVE TYPE: | | Bevel Gear Transmission |
CONSTRUCTION: | | Sand cast magnesium |
MAGNETO TYPE: | | Bendix Scintilla |
CARBURETOR: | | Mall float type |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | |
AIR FILTER SYSTEM: | | Shredded Metal element |
STARTER TYPE: | | Mall Automatic Rewind |
OIL PUMP: | | Manual |
MAXIMUM ENGINE RPM: | | 5,000 with air vane governor |
IDLE RPM: | | |
IGNITION TIMING: | | 30 degrees before TDC |
BREAKER POINT SETTING: | | 0.018 to 0.022 in. (0.45 to 0.56 mm) |
FLYWHEEL/COIL AIR GAP: | | Position fixed |
SPARK PLUG TYPE: | | Champion J6J |
SPARK PLUG GAP: | | 0.025 in. (0.63 mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 128 fl. oz. |
FUEL OIL RATIO: | | 3/4 pint to 1 gallon U.S. measure |
RECOMMENDED FUEL OCTANE: | | Regular grade of 72 to 84 octane |
MIX OIL SPECIFICATION: | | SAE 30 |
CHAIN PITCH: | | Mall .750 in., 3/4 in. |
CHAIN TYPE: | | Mall 3/8 in kerf Scratcher type or Chisel type |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 18 in. |
LONGEST GUIDE BAR SUPPLIED: | | 24 in. |
COLOUR SCHEME: | | MALL Red enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |