MANUFACTURED BY: |  | McCULLOCH-HUSQVARNA |
 |  | Nashville, Arkansas |
SERIES OR ASSEMBLY NUMBER: |  | 966-631713, 631715, 631718 |
SERIAL NUMBER PREFIX: |  | |
YEAR INTRODUCED: |  | 2011 |
YEAR DISCONTINUED: |  | |
ENGINE DISPLACEMENT: |  | 45.7 ccm |
NUMBER OF CYLINDERS: |  | 1 |
CYLINDER BORE: |  | 42 mm |
PISTON STROKE: |  | 33 mm |
PISTON RING THICKNESS: |  | 1 ring used |
CYLINDER TYPE: |  | Aluminum with Chrome plated bore |
INTAKE METHOD: |  | Piston ported |
MANUFACTURER ADVERTISED H.P.: |  | 2 kW @ 9,000 rpm |
WEIGHT: |  | 5.3 kg , powerhead only |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Anti-Vibration |
CHAIN BRAKE: |  | Inertia activated |
CLUTCH: |  | Centrifugal |
DRIVE TYPE: |  | Direct |
CONSTRUCTION: |  | Injection molded polymer |
MAGNETO TYPE: |  | Electronic flywheel type |
CARBURETOR: |  | ZAMA C1M-EL37B |
MAJOR REPAIR KIT: |  | |
MINOR REPAIR KIT: |  | |
AIR FILTER SYSTEM: |  | Nylon mesh element |
STARTER TYPE: |  | Automatic rewind |
OIL PUMP: |  | Automatic |
MAXIMUM ENGINE RPM: |  | Automatic |
IDLE RPM: |  | 2,700 |
IGNITION TIMING: |  | fixed |
BREAKER POINT SETTING: |  | none |
FLYWHEEL/COIL AIR GAP: |  | |
SPARK PLUG TYPE: |  | Champion RCJ7Y, NGK BMPR7A |
SPARK PLUG GAP: |  | 0.5 mm, (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: |  | Ball |
FUEL TANK CAPACITY: |  | 460 ml |
FUEL OIL RATIO: |  | 50:1 |
RECOMMENDED FUEL OCTANE: |  | 90 RON |
MIX OIL SPECIFICATION: |  | McCulloch 2-cycle mix oil |
CHAIN PITCH: |  | .325 in. .050 in. |
CHAIN TYPE: |  | Husqvarna H30, (Oregon 20LG) |
BAR MOUNT PATTERN: |  |  |
SHORTEST GUIDE BAR SUPPLIED: |  | 13 in. |
LONGEST GUIDE BAR SUPPLIED: |  | 18 in. |
COLOUR SCHEME: |  | |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |