MANUFACTURED BY: |  | DOLMAR MASCHINEN-FABRIK GmbH & Co. |
 | | HAMBURG, GERMANY |
SERIES OR ASSEMBLY NUMBER: | | 120 |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | late 1970's?? |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 61cc (3.7 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 47 mm (1.85 in.) |
PISTON STROKE: | | 35 mm (1.38 in.) |
PISTON RING THICKNESS: | | |
CYLINDER TYPE: | | Aluminum with chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 4 DIN |
WEIGHT: | | 7.2 kg (15.8 lbs.) |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration |
CHAIN BRAKE: | | Yes |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct |
CONSTRUCTION: | | Die cast magnesium |
MAGNETO TYPE: | | Electronic |
CARBURETOR: | | Tillotson HK-37
Tillotson HS-222
Walbro HDA-22-1 |
MAJOR REPAIR KIT: | | RK-34HK for HK-37
RK-23HS for HS-222
K22-HDA for HDA-22-1 |
MINOR REPAIR KIT: | | DG-1HK for HK-37
DK-5HS for HS-222
D22-HDA for HDA-22-1 |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Dolmar automatic rewind |
OIL PUMP: | | Automatic, worm gear driven off crankshaft |
MAXIMUM ENGINE RPM: | | 7,500 |
IDLE RPM: | | |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.3 mm (0.012 in.) |
SPARK PLUG TYPE: | | Bosch WSR6F |
SPARK PLUG GAP: | | 0.5mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | |
FUEL OIL RATIO: | | 40:1 |
RECOMMENDED FUEL OCTANE: | | Regular |
MIX OIL SPECIFICATION: | | Two-cycle mix |
CHAIN PITCH: | | 3/8 in. |
CHAIN TYPE: | | |
BAR MOUNT PATTERN: | | 01 link |
SHORTEST GUIDE BAR SUPPLIED: | | 33 cm (13 in.) |
LONGEST GUIDE BAR SUPPLIED: | | 61 cm (24 in.) |
COLOUR SCHEME: | | Dolmar Orange with Black accents
Dolmar Silver with Black accents |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |