MANUFACTURED BY: |  | McCULLOCH MOTORS CORP. |
 | | LOS ANGELES, CALIFORNIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | 600410 |
SERIAL NUMBER PREFIX: | | A10-, 13- |
YEAR INTRODUCED: | | May 1970 |
YEAR DISCONTINUED: | | September 1972 |
ENGINE DISPLACEMENT: | | 4.3 cu. in. (72ccm) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 2.00 in. (50.8 mm) |
PISTON STROKE: | | 1.375 in. (34.92 mm) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with CHROME plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 16-3/4 lbs. (7.37 kg) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Gear reduction, convertable to Direct drive |
CONSTRUCTION: | | Die cast MAGNESIUM |
MAGNETO TYPE: | | McCulloch flywheel breaker point system |
CARBURETOR: | | Tillotson HS-71A or HS-127A
Walbro SDC series |
MAJOR REPAIR KIT: | | RK-23HS for Tillotson
K10-SDC for Walbro |
MINOR REPAIR KIT: | | DG-5HS/T for Tillotson
D10-SDC for Walbro |
AIR FILTER SYSTEM: | | Flocked wire screen element |
STARTER TYPE: | | McCulloch automatic rewind on right side |
OIL PUMP: | | Automatic with manual override |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | 26 degrees before TDC |
BREAKER POINT SETTING: | | 0.019 in. (0.48 mm) to 0.020 in. (0.5 mm) |
FLYWHEEL/COIL AIR GAP: | | 0.011 to 1.015 in. (0.3 to 0.4 mm) |
SPARK PLUG TYPE: | | AC CS45T, Champion DJ8J |
SPARK PLUG GAP: | | 0.025 in. (0.63 mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball and caged needle roller |
FUEL TANK CAPACITY: | | 1.5 U.S. Pints (791 ml) |
FUEL OIL RATIO: | | 20:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | McCulloch two-cycle chain saw mix oil |
CHAIN PITCH: | | 1/2 in., .404 in. optional |
CHAIN TYPE: | | Mcculloch |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 16 in. (40 cm) |
LONGEST GUIDE BAR SUPPLIED: | | 28 in. (71 cm) |
COLOUR SCHEME: | | McCulloch Yellow enamel with Black top cover |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | 84148, micro fiche card 20 |
SERVICE MANUAL: | | 63084, micro fiche card 34 |