MANUFACTURED BY: |  | HOFFCO INC. |
 | | RICHMOND, INDIANA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1963 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 6.1 cu. in. (99.9cc) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 2.1875 in. (55.5mm) |
PISTON STROKE: | | 1.6250 in. (41.27mm) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Reed valves |
MANUFACTURER ADVERTISED H.P.: | | 7 |
WEIGHT: | | 26 lbs. (11.7 kg) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Sand cast magnesium |
MAGNETO TYPE: | | Wico |
CARBURETOR: | | Tillotson HL series |
MAJOR REPAIR KIT: | | nla |
MINOR REPAIR KIT: | | DG-1HL |
AIR FILTER SYSTEM: | | Wire screen |
STARTER TYPE: | | Fairbanks Morse automatic rewind |
OIL PUMP: | | Manual |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | 22 degrees before TDC |
BREAKER POINT SETTING: | | 0.015 in. (0.38mm) |
FLYWHEEL/COIL AIR GAP: | | Position is fixed |
SPARK PLUG TYPE: | | Champion L4J or AC 42FF |
SPARK PLUG GAP: | | 0.030 in. (0.76mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | |
FUEL OIL RATIO: | | 3/4 pint to 1 U.S. gallon (32:1) |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Two cycle mix oil |
CHAIN PITCH: | | 7/16 in. or 1/2 in. |
CHAIN TYPE: | | Oregon 61C or 9C |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 16 in. (40 cm) |
LONGEST GUIDE BAR SUPPLIED: | | 36 in. (91 cm) |
COLOUR SCHEME: | | |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |