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Model: KB6-AY

MANUFACTURED BY:
DISSTON HENRY & SONS INC.
PHILADELPHIA, PENNSYLVANIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1945
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
15 cu. in. (245cc)
NUMBER OF CYLINDERS:
2 (vertical)
CYLINDER BORE:
PISTON STROKE:
CYLINDER TYPE:
Aluminum with cast iron liner
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
7
WEIGHT:
97 lbs. with 24 in. bar, chain & tailstock
44 kg with 61 cm bar, chain & tailstock
OPERATOR CONFIGURATION:
Two Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Manual
DRIVE TYPE:
Bevel gear transmission, 2.57:1 ratio
CONSTRUCTION:
Die cast aluminum
MAGNETO TYPE:
Fairbanks Morse FM-JH2B
CARBURETOR:
Tillotson AJ-12B series
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Skinner ribbon elements (2)
STARTER TYPE:
Magnapull automatic rewind
OIL PUMP:
Built into tail stock, spring pressure feed
MAXIMUM ENGINE RPM:
4,000 with mechanical governor
IDLE RPM:
IGNITION TIMING:
BREAKER POINT SETTING:
0.012 to 0.013 in. (0.3 to 0.33mm)
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Champion J10 (now use J6J)
SPARK PLUG GAP:
0.023 to 0.025 in. (0.58 to 0.63mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
1/2 pint to 1 gallon
RECOMMENDED FUEL OCTANE:
72 minimum
MIX OIL SPECIFICATION:
SAE 30
CHAIN PITCH:
3/4 in.
CHAIN TYPE:
Disston
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
24 in. (61cm)
LONGEST GUIDE BAR SUPPLIED:
84 in. (213cm)
COLOUR SCHEME:
Disston Orange enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
First model built that was not Military specification.





 

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