Kohler Command PRO CS Service Manual page 147

Figure 11-72. CS8.5 (spec. 92xxxx), CS10, CS12.
4. Adjust the valve tappet clearance as follows:
a. Make sure the piston is still at the top of the
compression stroke.
b. Insert a flat feeler gauge between the rocker
arm and the valve stem. The recommended
valve to rocker arm clearance for both intake
and exhaust is 0.1 mm (0.004 in.).
Figure 11-73. CS4, CS6, CS8.5 (spec. 95xxxx).
Adjusting Valve to Rocker Arm Clearance.
c. Adjust clearance as required by loosening the
locknut and turning* the adjuster.
Turn clockwise to decrease clearance.
Turn counterclockwise to increase
clearance.
*On CS8.5 (spec. 92xxxx), CS10, CS12:
Hold the adjuster up when making
adjustment.
Figure 11-74. CS8.5 (spec. 92xxxx), CS10, CS12.
Adjusting Valve to Rocker Arm Clearance.
d. Hold the adjuster from turning and tighten
the locknut. Torque locknut to:
CS4, CS6, CS8.5 (spec. 95xxxx):
10 N·m (88.5 in. lb.)
CS8.5 (spec. 92xxxx), CS10, CS12:
7 N·m (62 in. lb.)
5. Use a new Champion
RC14YC (Kohler Part No. 66 132 01-S), or
equivalent spark plug.
6. Set gap to 0.76 mm (0.030 in.). Install the spark
plug in the cylinder head and torque to 20 N·m
(177 in. lb.).
Figure 11-75. Installing and Torquing New Spark
Plug.
Section 11
Reassembly
® ®
RN14YC, Champion
11.19
11