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Model: Pro Mac 850 SUPER

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
600072F
SERIAL NUMBER PREFIX:
12-
YEAR INTRODUCED:
March 1983
YEAR DISCONTINUED:
1994
ENGINE DISPLACEMENT:
5.0 cu. in. (82 ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.06 in. (53.32 mm)
PISTON STROKE:
1.50 in. (38 mm)
PISTON RING THICKNESS:
2 rings used
CYLINDER TYPE:
Aluminum with CHROME plated bore
INTAKE METHOD:
Piston ported
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Anti-Vibration
CHAIN BRAKE:
Inertia Activated
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast MAGNESIUM
MAGNETO TYPE:
McCulloch Electronic
CARBURETOR:
Zama 214763
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic with manual override
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
fixed
BREAKER POINT SETTING:
none
FLYWHEEL/COIL AIR GAP:
0.011 to 0.015 in. (0.27 to 0.38 mm)
SPARK PLUG TYPE:
63432, Champion DJ8
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball and caged needle roller
FUEL TANK CAPACITY:
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:
33 in. (84 cm)
COLOUR SCHEME:
McCulloch Yellow enamel with Black
PAINT CODES:
ILLUSTRATED PARTS LIST:
215710-01, micro fiche card 30D
SERVICE MANUAL:
63084, 211456, micro fiche card 34

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