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Model: 4900

MANUFACTURED BY:
POULAN (BEAIRD POULAN)
SHREVEPORT, LA U.S.A.
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1980
YEAR DISCONTINUED:
1984
ENGINE DISPLACEMENT:
4.7 cu. in. (77ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.957 in. (49.7mm)
PISTON STROKE:
1.562 in. (39.69mm)
PISTON RING THICKNESS:
2 rings used
CYLINDER TYPE:
Aluminum with Chrome plated bore
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
16 lbs. 8 oz., powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-vibration
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast Magnesium
MAGNETO TYPE:
Electronic capacitor discharge system, two piece
CARBURETOR:
Tillotson HS-168A series
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Flocked wire screen cartridge
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic, gear driven
MAXIMUM ENGINE RPM:
7,500
IDLE RPM:
2,900
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.012 to 0.015 in. (0.30 to 0.38 mm)
SPARK PLUG TYPE:
Champion CJ8
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
32 fl. oz.
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
Poulan mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Oregon 72
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
36 in. (91 cm)
COLOUR SCHEME:
Poulan Lime Green
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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