MANUFACTURED BY: |  | DISSTON HENRY & SONS INC. |
 | | PHILADELPHIA, PENNSYLVANIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1950 |
YEAR DISCONTINUED: | | 1951 |
ENGINE DISPLACEMENT: | | 5.5 cu. in. (90cc) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 2.00 in. (50.8mm) |
PISTON STROKE: | | 1.75 in. (44.4mm) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | |
INTAKE METHOD: | | Reed valve |
MANUFACTURER ADVERTISED H.P.: | | 3.5 |
WEIGHT: | | |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | |
CHAIN BRAKE: | | |
CLUTCH: | | Manual, controlled from rear handle |
DRIVE TYPE: | | Gear reduction |
CONSTRUCTION: | | Die cast aluminum |
MAGNETO TYPE: | | Bendix Scintilla |
CARBURETOR: | | Mercury "fuel meter" |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | |
AIR FILTER SYSTEM: | | Skinner ribbon element |
STARTER TYPE: | | Mercury "Magnapull" automatic rewind |
OIL PUMP: | | Automatic pressure feed |
MAXIMUM ENGINE RPM: | | 4,000 |
IDLE RPM: | | |
IGNITION TIMING: | | 26 degrees before TDC |
BREAKER POINT SETTING: | | .020 in. (0.51mm) |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | Champion J-7-J |
SPARK PLUG GAP: | | 0.025 in. (0.63mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 3.5 pints U.S. measure (1656ml) |
FUEL OIL RATIO: | | 16:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | SAE 30 |
CHAIN PITCH: | | |
CHAIN TYPE: | | Disston Full Interlock Straddle type (scratcher )
Disston Chisel, Full Interlock Straddle type |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 18 in. (45cm) |
LONGEST GUIDE BAR SUPPLIED: | | 30 in. (76cm) |
COLOUR SCHEME: | | Disston Orange enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |