MANUFACTURED BY: |  | WRIGHT SAW Div. THOMAS INDUSTRIES. INC. |
 |  | SHEBOYGAN, WISCONSIN, U.S.A. |
SERIES OR ASSEMBLY NUMBER: |  | |
SERIAL NUMBER PREFIX: |  | |
YEAR INTRODUCED: |  | 1963 |
YEAR DISCONTINUED: |  | |
ENGINE DISPLACEMENT: |  | 4.7 cu. in. (77cc) |
NUMBER OF CYLINDERS: |  | 1 |
CYLINDER BORE: |  | 2.0 in. (50.8mm) |
PISTON STROKE: |  | 1.5 in. (38mm) |
PISTON RING THICKNESS: |  | |
CYLINDER TYPE: |  | Aluminum with cast iron liner |
INTAKE METHOD: |  | Reed valve |
MANUFACTURER ADVERTISED H.P.: |  | |
WEIGHT: |  | 25.5 lbs. with 17 in. bar & chain
11.4 kg with 43 cm bar & chain |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Rigid |
CHAIN BRAKE: |  | none |
CLUTCH: |  | Centrifugal |
DRIVE TYPE: |  | Planetary reduction transmission 3.08:1 |
CONSTRUCTION: |  | Die cast magnesium |
MAGNETO TYPE: |  | Phelon |
CARBURETOR: |  | Carter ND diaphragm type |
MAJOR REPAIR KIT: |  | |
MINOR REPAIR KIT: |  | |
AIR FILTER SYSTEM: |  | Flocked wire screen |
STARTER TYPE: |  | Fairbanks Morse automatic rewind |
OIL PUMP: |  | Manual |
MAXIMUM ENGINE RPM: |  | |
IDLE RPM: |  | |
IGNITION TIMING: |  | Fixed |
BREAKER POINT SETTING: |  | 0.015 in. (0.3 mm) |
FLYWHEEL/COIL AIR GAP: |  | Fixed, not adjustable |
SPARK PLUG TYPE: |  | Champion J-11J |
SPARK PLUG GAP: |  | 0.025 in. (0.63 mm) |
CRANKSHAFT MAIN BEARINGS: |  | Ball |
FUEL TANK CAPACITY: |  | 1-1/4 U.S. Quarts |
FUEL OIL RATIO: |  | 1/2 pint to 1 gallon after break in |
RECOMMENDED FUEL OCTANE: |  | Regular |
MIX OIL SPECIFICATION: |  | Two-cycle mix oil or Wright mix oil |
CHAIN PITCH: |  | 7/16 in., .404 and 1/2 in optional |
CHAIN TYPE: |  | Oregon |
BAR MOUNT PATTERN: |  |  |
SHORTEST GUIDE BAR SUPPLIED: |  | 14 in. (35 cm) |
LONGEST GUIDE BAR SUPPLIED: |  | 30 in. (76 cm) |
COLOUR SCHEME: |  | Orange enamel |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |