MANUFACTURED BY: |  | STIHL ANDREAS MASCHINENFABRIK |
 | | STUTTGART, GERMANY |
SERIES OR ASSEMBLY NUMBER: | | 1122 |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 2011 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 84.9 ccm (5.2 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 52 mm (2.05 in.) |
PISTON STROKE: | | 40 mm (1.57 in.) |
PISTON RING THICKNESS: | | 2 of 1.2 mm |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Piston Ported |
MANUFACTURER ADVERTISED H.P.: | | |
WEIGHT: | | 7.5 kg (16.5 lbs.) powerhead only |
OPERATOR CONFIGURATION: | | One Man |
HANDLEBAR SYSTEM: | | Anti-Vibration |
CHAIN BRAKE: | | Mechanical |
CLUTCH: | | Centrifugal, 3 shoe metal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium, injection molded polymer |
MAGNETO TYPE: | | Electronic |
CARBURETOR: | | Walbro WJ-67, WJ-69, WJ-76 |
MAJOR REPAIR KIT: | | K10-WJ |
MINOR REPAIR KIT: | | D10-WJ |
AIR FILTER SYSTEM: | | Cartridge, winter and summer types |
STARTER TYPE: | | Stihl Elastostart automatic rewind, rope is 4.5 mm |
OIL PUMP: | | Automatic adjustable |
MAXIMUM ENGINE RPM: | | 13,500 |
IDLE RPM: | | 2,500 |
IGNITION TIMING: | | Fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | |
SPARK PLUG TYPE: | | NGK BPMR7A, Bosch WSR6F |
SPARK PLUG GAP: | | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 825 ml (27.9 fl. oz.) |
FUEL OIL RATIO: | | 50:1 |
RECOMMENDED FUEL OCTANE: | | Regular automotive |
MIX OIL SPECIFICATION: | | Stihl premium mix oil |
CHAIN PITCH: | | 3/8 in. or .404 in. |
CHAIN TYPE: | | RSC3 |
BAR MOUNT PATTERN: | | 31 link |
SHORTEST GUIDE BAR SUPPLIED: | | 50 cm (20 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 90 cm (36 in.) |
COLOUR SCHEME: | | |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |