MANUFACTURED BY: |  | DISSTON HENRY & SONS INC. |
 | | PHILADELPHIA, PENNSYLVANIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1951 |
YEAR DISCONTINUED: | | 1953 |
ENGINE DISPLACEMENT: | | 10.99 cu. in. (180cc) |
NUMBER OF CYLINDERS: | | 2 (horizontal) |
CYLINDER BORE: | | 2.00 in. (50.8mm) |
PISTON STROKE: | | 1.750 in. (44.4mm) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with cast iron liner |
INTAKE METHOD: | | Reed valves |
MANUFACTURER ADVERTISED H.P.: | | 9 |
WEIGHT: | | 55 lbs. (24.9 kg.) powerhead only |
OPERATOR CONFIGURATION: | | One or Two Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Bevel gear transmission |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | Bendix Scintilla |
CARBURETOR: | | Tillotson AJ float type |
MAJOR REPAIR KIT: | | nla |
MINOR REPAIR KIT: | | nla |
AIR FILTER SYSTEM: | | Skinner ribbon element |
STARTER TYPE: | | Mercuty automatic rewind |
OIL PUMP: | | Automatic positive pressure piston pump |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | 26 degrees before TDC, (.111 in.) |
BREAKER POINT SETTING: | | .015 in. (0.38mm) |
FLYWHEEL/COIL AIR GAP: | | position is fixed |
SPARK PLUG TYPE: | | Champion J-6-J |
SPARK PLUG GAP: | | .025 in. (0.63mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 96 oz. (2839cc) |
FUEL OIL RATIO: | | 8 oz. to 1 gallon U.S. |
RECOMMENDED FUEL OCTANE: | | 72 |
MIX OIL SPECIFICATION: | | SAE 30 of Pennsylvania crude base stock |
CHAIN PITCH: | | 9/16 in. .5625 in. (14.2mm) |
CHAIN TYPE: | | Disston Scratcher, Chisel or Chipper |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 24 in. (60.9cm) |
LONGEST GUIDE BAR SUPPLIED: | | 84 in. (213cm) |
COLOUR SCHEME: | | Unpainted aluminum body with orange enamel spark plug cover, air filter cover and bar clamp. |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |