MANUFACTURED BY: | | DOLMAR Maschinen-Fabrik GmbH & Co. |
| | HAMBURG, GERMANY |
SERIES OR ASSEMBLY NUMBER: | | 120 |
SERIAL NUMBER PREFIX: | | |
YEAR INTRODUCED: | | 1987 |
YEAR DISCONTINUED: | | |
ENGINE DISPLACEMENT: | | 68 cc (4.1 cu. in.) |
NUMBER OF CYLINDERS: | | 1 |
CYLINDER BORE: | | 49 mm (1.93 in.) |
PISTON STROKE: | | 36 mm (1.42 in.) |
PISTON RING THICKNESS: | | 2 rings used |
CYLINDER TYPE: | | Aluminum with Chrome plated bore |
INTAKE METHOD: | | Piston ported |
MANUFACTURER ADVERTISED H.P.: | | 4.8 DIN |
WEIGHT: | | 7.3 kg (16.09 lbs.) |
OPERATOR CONFIGURATION: | | One Man operation |
HANDLEBAR SYSTEM: | | Anti-vibration, H model has heated handlebar |
CHAIN BRAKE: | | Yes |
CLUTCH: | | Centrifugal |
DRIVE TYPE: | | Direct, 2 metal shoes |
CONSTRUCTION: | | Die cast Magnesium |
MAGNETO TYPE: | | Electronic |
CARBURETOR: | | Tillotson HS-236A |
MAJOR REPAIR KIT: | | RK-27HS |
MINOR REPAIR KIT: | | DG-9HS |
AIR FILTER SYSTEM: | | Nylon mesh element |
STARTER TYPE: | | Dolmar automatic rewind |
OIL PUMP: | | Automatic, gear driven, adjustable |
MAXIMUM ENGINE RPM: | | 8,500 under load, 12,500 free speed |
IDLE RPM: | | 2,400 |
IGNITION TIMING: | | fixed |
BREAKER POINT SETTING: | | none |
FLYWHEEL/COIL AIR GAP: | | 0.15 mm (0.038 in.) |
SPARK PLUG TYPE: | | Bosch WSR6F |
SPARK PLUG GAP: | | 0.5 mm (0.020 in.) |
CRANKSHAFT MAIN BEARINGS: | | Ball |
FUEL TANK CAPACITY: | | 700 ml (23.6 fl. oz.) |
FUEL OIL RATIO: | | 40:1 |
RECOMMENDED FUEL OCTANE: | | Regular grade |
MIX OIL SPECIFICATION: | | Dolmar two-cycle chain saw mix oil |
CHAIN PITCH: | | 3/8 in. |
CHAIN TYPE: | | Chisel |
BAR MOUNT PATTERN: | | 01 link |
SHORTEST GUIDE BAR SUPPLIED: | | 40cm |
LONGEST GUIDE BAR SUPPLIED: | | 60cm |
COLOUR SCHEME: | | |
PAINT CODES: | | |
ILLUSTRATED PARTS LIST: | | |
SERVICE MANUAL: | | |