Kohler Command PRO ECH749 Service Manual

8.17
Section 8
Disassembly
8
NOTE: If a carbon ridge is present at the top of
either cylinder bore, use a ridge reamer
tool to remove it before a empting to
remove the piston.
2. Carefully remove the connecting rod and piston
assembly from the cylinder bore. See Figure 8-72.
NOTE: The cylinders are numbered on the
crankcase. Use the numbers to mark
each end cap, connecting rod and piston
for reassembly. Do not mix end caps and
connecting rods.
Figure 8-72. Removing Connecting Rod and Piston
Assembly.
3. Repeat the above procedure for the other
connecting rod and piston assembly.
Figure 8-75. Removing Oil Seal.
Remove Crankshaft
1. Carefully pull the cranksha from the crankcase.
See Figure 8-74.
Figure 8-73. Removing Piston Pin.
4. Remove piston pin from piston for inspection.
Use a small screwdriver to pry the pin retainer
out of the groove. See Figure 8-73.
Figure 8-74. Removing Crankshaft.
Remove Flywheel End Oil Seal
1. Remove the oil seal from the crankcase. See
Figure 8-75.

Kohler Command PRO ECH749 Specifications

General

Fuel System	Carburetor
Starter	Electric
Governor Type	Mechanical
Lubrication System	Full Pressure
Fuel Type	Gasoline
Crankshaft Orientation	Horizontal
Bore	3.27 in (83 mm)
Cooling System	Air
Oil Type	SAE 10W-30
Spark Plug Gap	0.030 in (0.76 mm)
Valve Clearance - Intake	0.004 - 0.006 in (0.10 - 0.15 mm)
Crankshaft Type	Varies by model
Crankshaft Thread Size	Varies by model
Crankshaft Length	Varies by model
Crankshaft Diameter	Varies by model
Type	Overhead Valve (OHV)