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Model: 112

MANUFACTURED BY:
DOLMAR MASCHINEN-FABRIK GmbH & Co.
HAMBURG, GERMANY
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1986
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
51 cc (3.1 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
45 mm (1.77 in.)
PISTON STROKE:
32 mm (1.26 in.)
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
2.2 kW (5 HP SAE)
WEIGHT:
5.1 kg with 33 cm bar & chain
13.7 lbs. with 13 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 HK-21A, B, C HK-37 or Bing 48B102 series
MAJOR REPAIR KIT:
RK-34HK for HK-37
MINOR REPAIR KIT:
DG-1HK for HK-37
AIR FILTER SYSTEM:
Nylon mesh element
STARTER TYPE:
Dolmar automatic rewind
OIL PUMP:
Automatic, adjustable
MAXIMUM ENGINE RPM:
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:
Dolmar two-cycle mix
CHAIN PITCH:
3/8 in. or .325 in.
CHAIN TYPE:
BAR MOUNT PATTERN:
01 link
SHORTEST GUIDE BAR SUPPLIED:
33cm (13 in.)
LONGEST GUIDE BAR SUPPLIED:
45cm (18 in.)
COLOUR SCHEME:
Dolmar Orange enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Special edition Silver Units were limited production

Colour photographs courtesy Alex Woolford
 

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