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Model: 890

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
none
SERIAL NUMBER PREFIX:
none
YEAR INTRODUCED:
January 1964
YEAR DISCONTINUED:
February 1966
ENGINE DISPLACEMENT:
6.3 cu. in. (103 ccm)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.217 in. (56.3 mm)
PISTON STROKE:
1.635 in. (41.5 mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves with third port transfer
MANUFACTURER ADVERTISED H.P.:
not advertised
WEIGHT:
27-1/2 lbs. (12.6 kg) powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
Rigid
CHAIN BRAKE:
none
CLUTCH:
Centrifugal
DRIVE TYPE:
Gear reduction
CONSTRUCTION:
Die cast MAGNESIUM
MAGNETO TYPE:
McCulloch flywheel magneto, points under flywheel
CARBURETOR:
McCulloch with primer pump
MAJOR REPAIR KIT:
n/a
MINOR REPAIR KIT:
n/a
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
Automatic rewind
OIL PUMP:
Automatic with manual override
MAXIMUM ENGINE RPM:
IDLE RPM:
IGNITION TIMING:
26 degrees before TDC
BREAKER POINT SETTING:
0.020 in. (0.51 mm)
FLYWHEEL/COIL AIR GAP:
0.010 in. (0.25 mm)
SPARK PLUG TYPE:
AC CS45T, Champion DJ8
SPARK PLUG GAP:
0.025 in. (0.63 mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
FUEL OIL RATIO:
40:1
RECOMMENDED FUEL OCTANE:
Regular grade
MIX OIL SPECIFICATION:
McCulloch Two-Cycle mix oil
CHAIN PITCH:
1/2 in.
CHAIN TYPE:
McCulloch
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
20 in. (50 cm)
LONGEST GUIDE BAR SUPPLIED:
36 in. (91.4 cm)
COLOUR SCHEME:
McCulloch Yellow enamel with Black fuel tank cover and air filter cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
84262, micro fiche card 15
SERVICE MANUAL:
none

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