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Model: 510

MANUFACTURED BY:
HOFFCO INC.
RICHMOND, INDIANA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1966
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
5.2 cu. in. (85 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.09 in. (53 mm)
PISTON STROKE:
1.40 in. (35.5 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valve
MANUFACTURER ADVERTISED H.P.:
6
WEIGHT:
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Sand cast mangesium
MAGNETO TYPE:
Tecumseh
CARBURETOR:
Tillotson HS series
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Flocked wire screen element
STARTER TYPE:
Tecumseh automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
0.165 in. to 0.205 in. (4.19 to 5.2 mm) before TDC
BREAKER POINT SETTING:
0.015 to 0.019 in. (0.38 to 0.48 mm)
FLYWHEEL/COIL AIR GAP:
Position is fixed
SPARK PLUG TYPE:
Champion CJ-8
SPARK PLUG GAP:
0.033 to 0.038 in. (0.83 to 0.96 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
1/2 pint to 1 gallon = 16:1
RECOMMENDED FUEL OCTANE:
Regular grade 72 to 83
MIX OIL SPECIFICATION:
SAE 30 non-detergent
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
24 in. (60 cm)
COLOUR SCHEME:
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:
CSI May-June 1966 Used Tecumseh AH-520 engine



 

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