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Model: AP42

MANUFACTURED BY:
LOMBARD
ASHLAND, MASS., U.S.A.
SERIES OR ASSEMBLY NUMBER:
SERIAL NUMBER PREFIX:
YEAR INTRODUCED:
1979
YEAR DISCONTINUED:
1980
ENGINE DISPLACEMENT:
4.2 cu. in. (68.8 ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.87 in. (47.5 mm)
PISTON STROKE:
1.50 in. (38.1 mm)
PISTON RING THICKNESS:
2 rings used
CYLINDER TYPE:
Aluminum with CHROME plated bore
INTAKE METHOD:
Reed valves
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
14 lbs. 4 oz. with 12 in. bar and chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrfiugal, 2 shoes
DRIVE TYPE:
Direct
CONSTRUCTION:
Sand cast MAGNESIUM
MAGNETO TYPE:
Flywheel type with breaker points
CARBURETOR:
Tillotson HS-9AX 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 before TDC
BREAKER POINT SETTING:
0.015 in. (0.38 mm)
FLYWHEEL/COIL AIR GAP:
fixed
SPARK PLUG TYPE:
Champion CJ-6
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Caged needle roller
FUEL TANK CAPACITY:
28 fl. oz. (793 ml)
FUEL OIL RATIO:
1/2 pint to 1 gallon
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
Lombard two-cycle mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
Oregon 72D
BAR MOUNT PATTERN:
10 link
SHORTEST GUIDE BAR SUPPLIED:
12 in. (30 cm)
LONGEST GUIDE BAR SUPPLIED:
24 in. (60 cm)
COLOUR SCHEME:
Orange and Black
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:




 

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