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Model: 561-H

MANUFACTURED BY:
COBRA CHAIN SAWS
CRYSTAL LAKE, ILLINOIS, U.S.A.
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1965
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
6.1 cu. in. (100 ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.1875 in. (55.5 mm)
PISTON STROKE:
1.6250 in. (41.2 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with CHROME plated bore
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
7
WEIGHT:
19 lbs. (8.6 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
Wico
CARBURETOR:
Tillotson HL series
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
DG-1HL
AIR FILTER SYSTEM:
Skinner ribbon element
STARTER TYPE:
Fairbanks Morse automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
22 degrees before TDC (0.070 in.) Position stator full retard
BREAKER POINT SETTING:
0.015 in. (0.38 mm)
FLYWHEEL/COIL AIR GAP:
Position is fixed
SPARK PLUG TYPE:
Champion L4J, AC 42FF
SPARK PLUG GAP:
0.030 in. (0.76 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
3/4 pint to 1 gallon = 12:1
RECOMMENDED FUEL OCTANE:
Regular grade 72 to 83
MIX OIL SPECIFICATION:
Two cycle chain saw mix oil
CHAIN PITCH:
.404 in.
CHAIN TYPE:
Oregon 50C3
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
25 in. (63.5 cm)
COLOUR SCHEME:
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
Used West Bend 61006 engine
Sold for $190.50 with 20 inch bar & chain in 1965



 

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