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Model: 028 AV type 2

MANUFACTURED BY:
STIHL ANDREAS MASCHINENFABRIK
STUTTGART, GERMANY
SERIES OR ASSEMBLY NUMBER:
1118
YEAR INTRODUCED:
1979
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
47ccm (2.87 cu. in.)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
44mm (1.73 in.)
PISTON STROKE:
31mm (1.22 in.)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
6.3kg with 32cm bar & chain
13.9 lbs. with 13 in. bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
Optional
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Bosch electronic
CARBURETOR:
Tillotson HU-40D
MAJOR REPAIR KIT:
RK-14HU
MINOR REPAIR KIT:
DG-2HU
AIR FILTER SYSTEM:
Wire mesh double sided element
STARTER TYPE:
Stihl automatic rewind
OIL PUMP:
Automatic
MAXIMUM ENGINE RPM:
12,500
IDLE RPM:
2,700
IGNITION TIMING:
2.1 to 2.3mm (0.083 to 0.091 in.) before TDC
BREAKER POINT SETTING:
0.35 to 0.4mm (0.014 to 0.016 in.)
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Bosch WSR6F or Champion RCJ7Y
SPARK PLUG GAP:
0.5mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
520ml
FUEL OIL RATIO:
40:1 with Stihl oil
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Stihl two-cycle chain saw mix oil
CHAIN PITCH:
.325 in.
CHAIN TYPE:
Stihl
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
32cm (13 in.)
LONGEST GUIDE BAR SUPPLIED:
51cm (20 in.)
COLOUR SCHEME:
Grey with Orange top and air filter cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Production of this model commenced with serial no. 6111990. 028AVQ is chain brake equipped.



 

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