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Model: 123

MANUFACTURED BY:
DOLMAR MASCHINEN-FABRIK GmbH & Co.
HAMBURG, GERMANY
SERIES OR ASSEMBLY NUMBER:
123
YEAR INTRODUCED:
1986
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
70 cc (4.2 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
47 mm (1.850 in.)
PISTON STROKE:
40 mm (1.575 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
3.5 kW (8 HP SAE)
WEIGHT:
8.9 kg with 43 cm bar & chain
19.6 lbs. with 17 in. bar & chain
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 HS-187A 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 reciprocating, adjustable
MAXIMUM ENGINE RPM:
7,500
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
Fixed position
SPARK PLUG TYPE:
Bosch WSR6F (oldWKA200 TR6)
SPARK PLUG GAP:
0.5 mm (0.020 in.
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
0.8 litres (27 oz.)
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
Dolmar two-cycle mix oil
CHAIN PITCH:
3/8 in., .375"
CHAIN TYPE:
BAR MOUNT PATTERN:
19 link
SHORTEST GUIDE BAR SUPPLIED:
43cm (17 in.)
LONGEST GUIDE BAR SUPPLIED:
60cm (24 in.)
COLOUR SCHEME:
Dolmar Orange enamel with Black top cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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