Kohler K91 Service Manual page 77

sp.r k PI U 9�
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Ground
Electrode
Figure Setting Spark Plug Gap.
8-9.
Engine
K9 1 -K 1 81
K24 1 -K34 1
K24 1 -K34 1
Standard resistor plug
•
Short resistor plug
• •
NOTE : On gas fueled engines, gap is . 0 1 8 " on all models
Service the spark plug as follows .
1 .
2 .
NOTE: Do not clean the spark plug in a machine
that uses abrasive grit . Some grit could remain in
recesses and enter the engine. causing extensive
wear and damage.
3 .
4 .
S park Plug Specifications
Inspect the spark plug as soon as it is removed
from the engine. The deposits on tip are a good
indicator of the general condition of piston rings.
valves and carburetor. Normal and faulty spark
plugs are shown in Figures 8-1 0 through 8-1 4.
Ignition Type Plug Part No.
Battery 2 703 2 1 -5
Magneto 4 1 1 32 0 6 *
Breakerless 4 1 1 32 0 2 * *
Battery 235040-5
23504 1 -5·
Breakerless
4 1 1 32 0 2 * *
Magneto 235040-5
23504 1 -5 ·
Clean the area around the base of the spark
plug to keep dirt out of the engine u pon re­
moval.
Remove the spark plug and check its condi­
tion. Replace it if it is badly worn or if re-use
is questionable. Clean it if it is re-useable.
Check the gap with a wire type feeler gauge.
Set the gap as shown in the following table by
carefully bending the side electrode .
Install the spark plug and torque to 1 8 t o 2 0 ft .
lb.
Gap
. 02 5 "
. 02 5 "
. 02 5 "
. 03 5 "
. 035 "
. 035"
. 02 5 "
. 02 5 "
8 . 7