MANUFACTURED BY: |  | McCULLOCH MOTORS CORP. |
 | | LOS ANGELES, CALIFORNIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | May 1958 |
YEAR DISCONTINUED: | | April 1959 |
ENGINE DISPLACEMENT: | | 4.9 cu. in. (80cc) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 2.125 in. (54mm) |
PISTON STROKE: | | 1.375 in. (35mm |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with cast iron sleeve |
INTAKE METHOD: | | Reed valve and third port induction system |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 18 lbs., powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium/aluminum alloy |
MAGNETO TYPE: | | McCulloch |
CARBURETOR: | | McCulloch diaphragm type |
MAJOR REPAIR KIT: | | nla |
MINOR REPAIR KIT: | | nla |
AIR FILTER SYSTEM: | | Flocked wire screen |
STARTER TYPE: | | McCulloch, pinion gear type |
OIL PUMP: | | Manual oiler added after initial production. Oil is extracted from the crankcase and is fed to the bar as the automatic oiler but does not work unless the 10:1 oil mixture is used. |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | 0.018 in. (located under flywheel) |
FLYWHEEL/COIL AIR GAP: | | 0.010 in. (0.25 mm) |
SPARK PLUG TYPE: | | Champion J8J |
SPARK PLUG GAP: | | 0.025 in. (0.63mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | |
FUEL OIL RATIO: | | 10:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | McCulloch two-cycle chain saw mix |
CHAIN PITCH: | | .404 in. |
CHAIN TYPE: | | McCulloch |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 16 in. (40 cm) |
LONGEST GUIDE BAR SUPPLIED: | | 24 in. (60 cm) |
COLOUR SCHEME: | | McCulloch Yellow enamel |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | 50118, micro fiche card 8 |
SERVICE MANUAL: | | |