MANUFACTURED BY: |  | McCULLOCH MOTORS CORP. |
 | | LOS ANGELES, CALIFORNIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | 600081 |
SERIAL NUMBER PREFIX: | | 10-, A10-, 11- |
YEAR INTRODUCED: | | July 1970 |
YEAR DISCONTINUED: | | May 1973 |
ENGINE DISPLACEMENT: | | 1.78 cu. in. (29ccm) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 1.375 in. |
PISTON STROKE: | | 1.200 in. |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with CHROME plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 6-1/2 lbs. (2.95 kg) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation, top handle saw |
HANDLEBAR SYSTEM: | | Rigid |
CHAIN BRAKE: | | none |
CLUTCH: | | Centrigual |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast MAGNESIUM |
MAGNETO TYPE: | | Breaker point flywheel type |
CARBURETOR: | | Walbro MDC |
MAJOR REPAIR KIT: | | K1MDC |
MINOR REPAIR KIT: | | D1MDC |
AIR FILTER SYSTEM: | | Flocked wire screen element |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic with manual override |
MAXIMUM ENGINE RPM: | | |
IDLE RPM: | | |
IGNITION TIMING: | | 26 degrees before TDC |
BREAKER POINT SETTING: | | 0.018 in. (0.45 mm) |
FLYWHEEL/COIL AIR GAP: | | 0.010 in. (0.25 mm) |
SPARK PLUG TYPE: | | Champion DJ8J, Bosch HS8E, NGK BM6F |
SPARK PLUG GAP: | | 0.025 in. (0.5 mm) |
CRANKSHAFT MAIN BEARINGS: | | Caged needle roller |
FUEL TANK CAPACITY: | | |
FUEL OIL RATIO: | | 40:1 |
RECOMMENDED FUEL OCTANE: | | Regular grade |
MIX OIL SPECIFICATION: | | McCulloch two-cycle chain saw mix |
CHAIN PITCH: | | 3/8 in. low profile, 1/4 in. on early production |
CHAIN TYPE: | | |
BAR MOUNT PATTERN: | | |
SHORTEST GUIDE BAR SUPPLIED: | | 12 in |
LONGEST GUIDE BAR SUPPLIED: | | 14 in. |
COLOUR SCHEME: | | McCulloch Yellow enamel with Black handle |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | 86497, micro fiche card 25 |
SERVICE MANUAL: | | micro fiche 34A |