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Model: Pro Mac 655

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
600118
SERIAL NUMBER PREFIX:
11-
YEAR INTRODUCED:
1982
YEAR DISCONTINUED:
1983
ENGINE DISPLACEMENT:
3.7 cu. in. (60 ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
1.85 in. (47 mm)
PISTON STROKE:
1.38 in. (35 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with CHROME plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
18.3 lbs. with 20 in. bar & chain
8.3 kg with 50 cm bar & chain
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-Vibration
CHAIN BRAKE:
Inertia activated
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast MAGNESIUM and injection molded polymer
MAGNETO TYPE:
Electronic, capacitor discharge type
CARBURETOR:
Walbro HDB-7A
MAJOR REPAIR KIT:
K10-HDB
MINOR REPAIR KIT:
D10-HDB
AIR FILTER SYSTEM:
Cellulose fiber element
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic with manual override
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
26 degrees before TDC
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.011 to 0.015 in. (0.27 to 0.38 mm)
SPARK PLUG TYPE:
AC CS45T, Champion DJ8J
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball and caged needle roller
FUEL TANK CAPACITY:
16.6 oz. (491 ml)
FUEL OIL RATIO:
40:1 with McCulloch oil
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
McCulloch two-cycle chain saw mix oil
CHAIN PITCH:
3/8 in.
CHAIN TYPE:
McCulloch
BAR MOUNT PATTERN:
11 link
SHORTEST GUIDE BAR SUPPLIED:
16 in. (40 cm)
LONGEST GUIDE BAR SUPPLIED:
28 in. (71 cm)
COLOUR SCHEME:
McCulloch Yellow with Black
PAINT CODES:
ILLUSTRATED PARTS LIST:
216159, micro fiche card 30C
SERVICE MANUAL:
none

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