MANUFACTURED BY: |  | McCULLOCH MOTORS CORP. |
 | | LOS ANGELES, CALIFORNIA, U.S.A. |
SERIES OR ASSEMBLY NUMBER: | | none |
SERIAL NUMBER PREFIX: | | none |
YEAR INTRODUCED: | | 1976 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 6.1 cu. in. (100 ccm) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 2.36 in. (60 mm) |
PISTON STROKE: | | 1.42 in. (36 mm) |
PISTON RING THICKNESS: | | 2 rings used |
CYLINDER TYPE: | | Aluminum with CHROME plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | not advertised |
WEIGHT: | | 18 lbs. (8.2 kg) powerhead only |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | Optional |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast MAGNESIUM alloy |
MAGNETO TYPE: | | Bosch Capacitor Discharge system |
CARBURETOR: | | Tillotson HS series |
MAJOR REPAIR KIT: | | RK-23HS |
MINOR REPAIR KIT: | | DG-5HS/T |
AIR FILTER SYSTEM: | | Nylon mesh cartridge |
STARTER TYPE: | | Automatic rewind |
OIL PUMP: | | Automatic with manual override |
MAXIMUM ENGINE RPM: | | 8,000 |
IDLE RPM: | | |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.014 to 0.018 in. (0.35 to 0.45 mm) |
SPARK PLUG TYPE: | | Bosch WS5F |
SPARK PLUG GAP: | | 0.020 in. (0.5 mm) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 33.8 fl. oz. (1 Liter) |
FUEL OIL RATIO: | | 40:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | McCulloch chain saw mix oil |
CHAIN PITCH: | | .404 in. 3/8 optional |
CHAIN TYPE: | | McCulloch |
BAR MOUNT PATTERN: | | 09 link |
SHORTEST GUIDE BAR SUPPLIED: | | 16 in. (40 cm) |
LONGEST GUIDE BAR SUPPLIED: | | 36 in. (91.5 cm) |
COLOUR SCHEME: | | McCulloch Yellow with Black handles |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |