MANUFACTURED BY: |  | STIHL ANDREAS MASCHINENFABRIK |
 | | STUTTGART, GERMANY |
SERIES OR ASSEMBLY NUMBER: | | 1124 |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 2004 |
YEAR DISCONTINUED: | | 2019 |
ENGINE DISPLACEMENT: | | 121.6 ccm (7.42 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 60 mm (2.35 in.) |
PISTON STROKE: | | 43 mm (1.69 in.) |
PISTON RING THICKNESS: | | 2 of 1.2 mm |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 8.5 hp. (6.3 kW) |
WEIGHT: | | 10.1 kg (22.2 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man |
HANDLEBAR SYSTEM: | | Anti-Vibration |
CHAIN BRAKE: | | Inertia Activated |
CLUTCH: | | Centrifugal, 3 shoe metal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast Magnesium, injection molded Polymer |
MAGNETO TYPE: | | Electronic |
CARBURETOR: | | WG-12, WG-13, HT-12 |
MAJOR REPAIR KIT: | | |
MINOR REPAIR KIT: | | |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Stihl Elastostart type, rope is 4.5 mm X 1000mm |
OIL PUMP: | | Automatic, adjustable |
MAXIMUM ENGINE RPM: | | 12,000 |
IDLE RPM: | | 3,200 |
IGNITION TIMING: | | Fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.2 to 0.3 mm |
SPARK PLUG TYPE: | | NGK BPMR7A, Bosch WSR6F |
SPARK PLUG GAP: | | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 1250 ml |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular automotive grade |
MIX OIL SPECIFICATION: | | Stihl mix oil |
CHAIN PITCH: | | .404 in. 0.063 in. gauge |
CHAIN TYPE: | | Stihl |
BAR MOUNT PATTERN: | | 05 link |
SHORTEST GUIDE BAR SUPPLIED: | | 21 in. (52 cm) |
LONGEST GUIDE BAR SUPPLIED: | | 47 in. (119 cm) |
COLOUR SCHEME: | | |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |