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Figure 32
Servicing the Spark Plug
Service Interval: Every 200 hours—Check spark
Every 500 hours—Replace the spark plug(s).
The spark plug is RFI compliant. Equivalent alternate
brand plugs can also be used.
Type: Champion XC12YC
Air Gap: 0.76 mm (0.03 inch)
Removing the Spark Plug
1.
Disengage the blade-control switch, move the
motion controls outward to the park position,
stop the engine, and remove the key.
2.
Before removing the spark plug(s), clean the
area around the base of the plug to keep dirt
and debris out of the engine.
3.
Remove the spark plug
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Checking the Spark Plug
Important:
Do not clean the spark plug(s).
Always replace the spark plug(s) when it has: a
black coating, worn electrodes, an oily film, or
cracks.
Note:
If you see light brown or gray on the insulator,
the engine is operating properly. A black coating on
the insulator usually means the air cleaner is dirty.
Set the gap to 0.76 mm (0.030 inch).
30
plug(s) condition and gap.
(Figure
33).
Figure 33
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