MANUFACTURED BY: |  | DOLMAR MASCHINEN-FABRIK GmbH & Co. |
 |  | HAMBURG, GERMANY |
SERIES OR ASSEMBLY NUMBER: |  | 122 |
SERIAL NUMBER PREFIX: |  | |
YEAR INTRODUCED: |  | 1976 |
YEAR DISCONTINUED: |  | 1977 |
ENGINE DISPLACEMENT: |  | 70 cc (4.2 cu. in.) |
NUMBER OF CYLINDERS: |  | 1 |
CYLINDER BORE: |  | 47 mm (1.85 in.) |
PISTON STROKE: |  | 40 mm (1.654 in.) |
PISTON RING THICKNESS: |  | |
CYLINDER TYPE: |  | Aluminum with chrome plated bore |
INTAKE METHOD: |  | Piston ported |
MANUFACTURER ADVERTISED H.P.: |  | 7.6 kg |
WEIGHT: |  | 4.5 DIN |
OPERATOR CONFIGURATION: |  | One Man operation |
HANDLEBAR SYSTEM: |  | Anti-vibration |
CHAIN BRAKE: |  | Yes, mechanical |
CLUTCH: |  | Centrifugal |
DRIVE TYPE: |  | Direct |
CONSTRUCTION: |  | Die cast magnesium |
MAGNETO TYPE: |  | Electronic |
CARBURETOR: |  | Tillotson HS series |
MAJOR REPAIR KIT: |  | RK-23HS |
MINOR REPAIR KIT: |  | DG-5HS |
AIR FILTER SYSTEM: |  | Nylon mesh element |
STARTER TYPE: |  | Dolmar automatic rewind |
OIL PUMP: |  | Automatic, worm gear driven |
MAXIMUM ENGINE RPM: |  | 6,000 |
IDLE RPM: |  | |
IGNITION TIMING: |  | 2.1 to 2.5 mm (0.083 to 0.098 in.) before TDC |
BREAKER POINT SETTING: |  | none |
FLYWHEEL/COIL AIR GAP: |  | Fixed position under flywheel |
SPARK PLUG TYPE: |  | Bosch WKA225 T3 |
SPARK PLUG GAP: |  | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: |  | Ball |
FUEL TANK CAPACITY: |  | |
FUEL OIL RATIO: |  | 25:1 |
RECOMMENDED FUEL OCTANE: |  | Regular grade |
MIX OIL SPECIFICATION: |  | Two-cycle chain saw mix oil |
CHAIN PITCH: |  | 3/8 in. |
CHAIN TYPE: |  | |
BAR MOUNT PATTERN: |  | 19 link |
SHORTEST GUIDE BAR SUPPLIED: |  | |
LONGEST GUIDE BAR SUPPLIED: |  | |
COLOUR SCHEME: |  | Dolmar Orange enamel with Black rear handle |
PAINT CODES: |  | |
ILLUSTRATED PARTS LIST: |  |  |
SERVICE MANUAL: |  |  |