MANUFACTURED BY: |  | TITAN (PROPULSION ENGINE CORP) |
 |  | SOUTH MILWAUKEE, WISCONSIN |
SERIES OR ASSEMBLY NUMBER: |  | 4100 |
SERIAL NUMBER PREFIX: |  | |
YEAR INTRODUCED: |  | 1957 |
YEAR DISCONTINUED: |  | |
ENGINE DISPLACEMENT: |  | 4.7 cu. in. (77cc) |
NUMBER OF CYLINDERS: |  | 1 |
CYLINDER BORE: |  | 2.0 in. (50.8mm) |
PISTON STROKE: |  | 1.50 in. (38mm) |
PISTON RING THICKNESS: |  | |
CYLINDER TYPE: |  | Aluminum with cast iron sleeve |
INTAKE METHOD: |  | Reed valves |
MANUFACTURER ADVERTISED H.P.: |  | |
WEIGHT: |  | 20 lbs. (9 kg) powerhead only |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Rigid |
CHAIN BRAKE: |  | none |
CLUTCH: |  | Fairbanks Morse Centrifugal |
DRIVE TYPE: |  | Direct |
CONSTRUCTION: |  | Sand cast magnesium |
MAGNETO TYPE: |  | Phelon |
CARBURETOR: |  | Tillotson HC-7A |
MAJOR REPAIR KIT: |  | |
MINOR REPAIR KIT: |  | |
AIR FILTER SYSTEM: |  | Skinner ribbon filter element |
STARTER TYPE: |  | Fairbanks Morse automatic rewind |
OIL PUMP: |  | Manual |
MAXIMUM ENGINE RPM: |  | 4,500 |
IDLE RPM: |  | |
IGNITION TIMING: |  | 0.250 in (6.35 mm) before TDC |
BREAKER POINT SETTING: |  | 0.020 in. (0.51mm) |
FLYWHEEL/COIL AIR GAP: |  | Position is fixed |
SPARK PLUG TYPE: |  | Champion J8J, Autolite A7X, AC M45 |
SPARK PLUG GAP: |  | 0.030 in. (0.76mm) |
CRANKSHAFT MAIN BEARINGS: |  | Ball |
FUEL TANK CAPACITY: |  | 1 U.S. Quart (946ml) |
FUEL OIL RATIO: |  | 1/2 pint to 1 gallon 32:1 |
RECOMMENDED FUEL OCTANE: |  | 72 to 83 |
MIX OIL SPECIFICATION: |  | Two cycle mix oil |
CHAIN PITCH: |  | 7/16 in. |
CHAIN TYPE: |  | Oregon |
BAR MOUNT PATTERN: |  |  |
SHORTEST GUIDE BAR SUPPLIED: |  | 16 in. (40cm) |
LONGEST GUIDE BAR SUPPLIED: |  | 18 in. (45cm) |
COLOUR SCHEME: |  | |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |