MANUFACTURED BY: |  | STRUNK MANUFACTURING CO. |
 |  | COATESVILLE, PENNSYLVANIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: |  | |
SERIAL NUMBER PREFIX: |  | |
YEAR INTRODUCED: |  | 1954 |
YEAR DISCONTINUED: |  | |
ENGINE DISPLACEMENT: |  | 5.1 cu. in. (83.5 cc) |
NUMBER OF CYLINDERS: |  | 1 |
CYLINDER BORE: |  | 2.0 in. (50.8 mm) |
PISTON STROKE: |  | 1.625 in. (41 mm) |
PISTON RING THICKNESS: |  | |
CYLINDER TYPE: |  | Aluminum with cast iron sleeve |
INTAKE METHOD: |  | Reed valve |
MANUFACTURER ADVERTISED H.P.: |  | 5 |
WEIGHT: |  | 27 lbs. |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Rigid |
CHAIN BRAKE: |  | none |
CLUTCH: |  | Centrifugal |
DRIVE TYPE: |  | Direct |
CONSTRUCTION: |  | Sand cast aluminum |
MAGNETO TYPE: |  | Wico 2378 |
CARBURETOR: |  | Tillotson HP-12A |
MAJOR REPAIR KIT: |  | |
MINOR REPAIR KIT: |  | |
AIR FILTER SYSTEM: |  | Skinner ribbon element |
STARTER TYPE: |  | Fairbanks Morse automatic rewind |
OIL PUMP: |  | Automatic pressurized system with manual override |
MAXIMUM ENGINE RPM: |  | 4,500 |
IDLE RPM: |  | |
IGNITION TIMING: |  | 0.250 in. (6.35 mm) before TDC |
BREAKER POINT SETTING: |  | 0.020 in. 90.51 mm) |
FLYWHEEL/COIL AIR GAP: |  | Position is fixed |
SPARK PLUG TYPE: |  | Champion J12J |
SPARK PLUG GAP: |  | 0.040 in. (1.01 mm) |
CRANKSHAFT MAIN BEARINGS: |  | Ball |
FUEL TANK CAPACITY: |  | 64 fl. oz. (1,89 litres) |
FUEL OIL RATIO: |  | 1/2 pint to 1 gallon = 16:1 |
RECOMMENDED FUEL OCTANE: |  | Regular grade 72 to 83 |
MIX OIL SPECIFICATION: |  | SAE 30 motor oil |
CHAIN PITCH: |  | 1/2 in, 7/16 in. or 3/8 in. .058 gauge |
CHAIN TYPE: |  | |
BAR MOUNT PATTERN: |  |  |
SHORTEST GUIDE BAR SUPPLIED: |  | 16 in. (40 cm) |
LONGEST GUIDE BAR SUPPLIED: |  | 24 in. (61 cm) |
COLOUR SCHEME: |  | Red |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |