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Model: 4-30A BOW

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
YEAR INTRODUCED:
1954
YEAR DISCONTINUED:
ENGINE DISPLACEMENT:
5.3 cu. in. (87 cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.125 in. (54 mm)
PISTON STROKE:
1.500 in. (38 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Rotary valve
MANUFACTURER ADVERTISED H.P.:
4
WEIGHT:
30 lbs. 13.6 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction
CONSTRUCTION:
Die cast magnesium/aluminum alloy
MAGNETO TYPE:
McCulloch flywheel magneto
CARBURETOR:
McCulloch diaphragm type
MAJOR REPAIR KIT:
nla
MINOR REPAIR KIT:
nla
AIR FILTER SYSTEM:
Wire screen
STARTER TYPE:
McCulloch automatic rewind, uses steel cable
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
Just breaking with timing pin inserted in timing hole
FLYWHEEL/COIL AIR GAP:
0.006 to 0.012 in. (0.15 to 0.3 mm)
SPARK PLUG TYPE:
Champion J8J
SPARK PLUG GAP:
0.025 in. (0.5 mm)
CRANKSHAFT MAIN BEARINGS:
Caged roller and ball types
FUEL TANK CAPACITY:
FUEL OIL RATIO:
1/2 pint to 1 gallon = 16:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
McCulloch two-cycle chain saw mix
CHAIN PITCH:
1/2 in. (12.7 mm)
CHAIN TYPE:
McCulloch
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
LONGEST GUIDE BAR SUPPLIED:
bow type
COLOUR SCHEME:
McCulloch Yellow enamel
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

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