MANUFACTURED BY: |  | STRUNK MANUFACTURING CO. |
 | | COATESVILLE, PENNSYLVANIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1956 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | |
PISTON STROKE: | | |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with cast iron sleeve |
INTAKE METHOD: | | Reed valve |
MANUFACTURER ADVERTISED H.P.: | | 4 |
WEIGHT: | | 28 lbs. with 16 in. bar & chain |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | |
CHAIN BRAKE: | | |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Gear reduction 3:1 ratio |
CONSTRUCTION: | | Sand cast aluminum |
MAGNETO TYPE: | | Wico FW2288 or FW2385 |
CARBURETOR: | | Tillotson HP-12A diaphragm type |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | |
AIR FILTER SYSTEM: | | Skinner ribbon element |
STARTER TYPE: | | Fairbanks Morse automatic rewind |
OIL PUMP: | | Positive gravity feed |
MAXIMUM ENGINE RPM: | | 4,500 |
IDLE RPM: | | |
IGNITION TIMING: | | 0.250 in. (6.35 mm) before TDC |
BREAKER POINT SETTING: | | 0.020 in. (0.51 mm) |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | Champion J8J, Autolite A7X, AC M45 |
SPARK PLUG GAP: | | 0.030 in. (0.76 mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 2 U.S. Quarts = 64 oz. |
FUEL OIL RATIO: | | 1/2 pint to 1 gallon |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | SAE 30 motor oil |
CHAIN PITCH: | | 1/2 in., .058 gauge |
CHAIN TYPE: | | Strunk type B |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 16 in. (40 cm) |
LONGEST GUIDE BAR SUPPLIED: | | 24 in. (61 cm) |
COLOUR SCHEME: | | Red enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |