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Model: 122

MANUFACTURED BY:
DOLMAR MASCHINEN-FABRIK GmbH & Co.
HAMBURG, GERMANY
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1973
YEAR DISCONTINUED:
1977
ENGINE DISPLACEMENT:
61 cc (3.7 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
44 mm (1.732 in.)
PISTON STROKE:
40 mm (1.575 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Chrome plated aluminum
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
4.1 DIN
WEIGHT:
7.9 kg
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Bosch
CARBURETOR:
Walbro SDC or Tillotson HS-148A series
MAJOR REPAIR KIT:
RK-23HS for Tillotson
MINOR REPAIR KIT:
DG-5HS for Tillotson
AIR FILTER SYSTEM:
Nylon mesh element
STARTER TYPE:
Dolmar automatic rewind
OIL PUMP:
Automatic, worm gear driven
MAXIMUM ENGINE RPM:
7,500
IDLE RPM:
IGNITION TIMING:
2.4 to 2.8 mm (0.094 to 0.110 in) before TDC
BREAKER POINT SETTING:
0.3 to 0.4 mm (0.012 to 0.016 in.)
FLYWHEEL/COIL AIR GAP:
Fixed position under flywheel
SPARK PLUG TYPE:
Bosch WKA 225 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
MIX OIL SPECIFICATION:
SAE 30 two-stroke 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 with Black rear handle
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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