Home | Chain Saws | Chain Saw Chain | Bar Mount Patterns | Carburetors | Manufacturers | Trademarks | Collectors | Bulletins | Events | Stolen Saws | Chain Saw Age Reprints | Newsletter | Marketplace | Parts Sources | Cartoons | Links | Your Host



Model: 250 (Late)

MANUFACTURED BY:
McCULLOCH MOTORS CORP.
LOS ANGELES, CALIFORNIA, U.S.A.
SERIES OR ASSEMBLY NUMBER:
600010, serial prefix 10, 11, A11, B11, C11
YEAR INTRODUCED:
February 1967
YEAR DISCONTINUED:
April 1970
ENGINE DISPLACEMENT:
4.9 cu. in. (80cc)
NUMBER OF CYLINDERS:
1
CYLINDER BORE:
2.125 in. (53.9mm)
PISTON STROKE:
1.375 in. (34.9mm)
PISTON RING THICKNESS:
CYLINDER TYPE:
Aluminum with cast iron sleeve
INTAKE METHOD:
Reed valves with third port transfer
MANUFACTURER ADVERTISED H.P.:
WEIGHT:
21.4 lbs. powerhead only
OPERATOR CONFIGURATION:
One Man operation
HANDLEBAR SYSTEM:
CHAIN BRAKE:
CLUTCH:
Centrifugal
DRIVE TYPE:
Direct
CONSTRUCTION:
Die cast magnesium
MAGNETO TYPE:
McCulloch, points located under flywheel
CARBURETOR:
Tillotson HL series (some had 58856C McCulloch carb)
MAJOR REPAIR KIT:
MINOR REPAIR KIT:
AIR FILTER SYSTEM:
Flocked wire screen
STARTER TYPE:
McCulloch automatic rewind with nylon rope
OIL PUMP:
Manual
MAXIMUM ENGINE RPM:
6,000
IDLE RPM:
IGNITION TIMING:
25 degrees before TDC
BREAKER POINT SETTING:
0.018 in. (0.45mm)
FLYWHEEL/COIL AIR GAP:
SPARK PLUG TYPE:
Champion J8J
SPARK PLUG GAP:
0.025 in. (0.63mm)
CRANKSHAFT MAIN BEARINGS:
Ball
FUEL TANK CAPACITY:
40 oz.
FUEL OIL RATIO:
40:1 with McCulloch mix oil
RECOMMENDED FUEL OCTANE:
Regular
MIX OIL SPECIFICATION:
McCulloch two-cycle chain saw mix oil
CHAIN PITCH:
.404 in.
CHAIN TYPE:
McCulloch Pintail
BAR MOUNT PATTERN:
SHORTEST GUIDE BAR SUPPLIED:
12 in. (30cm)
LONGEST GUIDE BAR SUPPLIED:
24 in. (61cm)
COLOUR SCHEME:
McCulloch Yellow enamel with Black air filter cover
PAINT CODES:
ILLUSTRATED PARTS LIST:
SERVICE MANUAL:

COMMENTS:



 

Reproduction of this World Wide Web Site in whole or in part is prohibited without permission.
Copyright © 2000-2021 MIKE ACRES - All rights are reserved.