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Model: LIGHTENING IV

MANUFACTURED BY:
LOMBARD
ASHLAND, MASS., U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1969
YEAR DISCONTINUED:
1971
ENGINE DISPLACEMENT:
5.1 cu. in. (83.5 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.08 in. (52.8 mm)
PISTON STROKE:
1.50 in. (38.1 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with chrome plated bore
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
13 Lbs. (5.9 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Sand cast magnesium
MAGNETO TYPE:
Wico flywheel type
CARBURETOR:
Tillotson HS series
MAJOR REPAIR KIT:
RK-23HS
MINOR REPAIR KIT:
DG-5HS/T
AIR FILTER SYSTEM:
Cellulose fiber element
STARTER TYPE:
Lombard automatic rewind
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
7,000 to 8,000
IDLE RPM:
IGNITION TIMING:
30 degrees BTDC
BREAKER POINT SETTING:
0.015 in. (0.38 mm)
FLYWHEEL/COIL AIR GAP:
Position is fixed
SPARK PLUG TYPE:
Champion CJ6
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Caged needle roller
FUEL TANK CAPACITY:
28 fl. oz. (828 ml)
FUEL OIL RATIO:
16:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
Lombard two-cycle mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Oregon 72D
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
12 in. (30 cm)
LONGEST GUIDE BAR SUPPLIED:
24 in. (61 cm)
COLOUR SCHEME:
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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