Torque Specifications; Engine Specifications - McCulloch 28cc Illustrated Parts List

P.O. Box 31567 • Tucson Arizona 85751-1567 • U.S.A.
• MANUFACTURING • SALES • SERVICE •
CONTACT THE NEAREST McCULLOCH AUTHORIZED SERVICE CENTER
LISTED UNDER 'SAWS' IN YOUR TELEPHONE DIRECTORY YELLOW PAGES.
IF FURTHER ASSISTANCE IS REQUIRED CALL THIS TOLL-FREE HOT LINE.
PLEASE REFERENCE YOUR MODEL AND SERIAL NUMBER.

TORQUE SPECIFICATIONS

FASTENER
DESCRIPTION PART NO.
C'Case to Cylinder 111065
C'Case to Plast Plug 111065
Insulator to Cylinder 111053
Shroud to C'Case 111067
Ignition Asy 111053
Carburetor 111058
Spark Plug 92879
Flywheel Nut 111085
Flywheel Nut 322847
Starter Housing 111054
Clutch Housing 224919
FOR WARRANTY OR SERVICE,
1-800-521-8559
MONDAY - FRIDAY - 6:00 AM - 4:30 PM (MST)
www.mccullochpower.com
FIG/ TORQUE
ITEM (IN/LBS) LOCTITE
1 / 57 55 - 60 242
1 / 70 35 - 40 242
1 / 20 45 - 50 242
1 / 48 55 - 60 242
1 / 40 45 - 50 242
1 / 13 25 - 30 --
1 / 66 110 - 120 --
1 / 37 140 - 145 242
1 / 38 140 - 145 242
2 / 32 30 - 35 --
2 / 28 30 - 35 --

ENGINE SPECIFICATIONS

Engine Type . . . . . . . . . . . . . . . . .Air-Cooled, Two Cycle, Single
Displacement . . . . . . . . . . . . . . . .28cc or 32cc
Idle RPM, Direct Dr . . . . . . . . . . .3000 - 3500 RPM
Idle RPM, Clutch Dr . . . . . . . . . . .2700 - 3000 RPM
Maximum RPM . . . . . . . . . . . . . .7000 - 8000 RPM
Compression, PSI . . . . . . . . . . . .28cc = 80
(after 10 pulls, thr'tl full open) . . .32cc = 90
Ignition . . . . . . . . . . . . . . . . . . . .Electronic
Flywheel to Ignition Gap . . . . . . . .0.007-0.012 in.
Spark Plug . . . . . . . . . . . . . . . . . .Champion RDJ8J
Spark Plug Gap . . . . . . . . . . . . . .0.025 in. (0.63mm)
Fuel Tank Capacity . . . . . . . . . . . .24 oz. (71ml)
Fuel Type . . . . . . . . . . . . . . . . . . .Unleaded - Regular Grade
Fuel to Oil Ratio . . . . . . . . . . . . . .40:1 McCulloch Custom Lubricant
Dry Weight . . . . . . . . . . . . . . . . . .44" = 9.9 lbs
Carburetor . . . . . . . . . . . . . . . . . .Diaphragm with Primer
Starter Cord . . . . . . . . . . . . . . . . .Nylon, Type 3.5, Length 46 in.
Chrome Cylinder
48" = 13.6 lbs