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1. Rotate the spark plug cap 1/4 turn and pull it off the spark plug.
2. Rotate the spark plug counter-clockwise to remove it.
3. Reverse the procedure for spark plug installation. Torque to specification.
NORMAL SPARK PLUG
The normal insulator tip is gray, tan or light brown. There will be few combustion
deposits. The electrodes are not burned or eroded. This indicates the proper
type and heat range for the engine and the service.
The tip should not be flaky and white. A white insulator tip indicates overheating,
caused by use of an improper spark plug or incorrect fuel.
WET FOULED SPARK PLUG
The wet fouled insulator tip is black. A damp oil film covers the firing end. There
may be a carbon layer over the entire nose. Generally, the electrodes are not
worn. General causes of fouling are excessive oil, use of non-recommended oil
or incorrect throttle body adjustments.
VEHICLE IMMERSION
If your vehicle becomes immersed, major engine damage can result if the
machine is not thoroughly inspected. Take the vehicle to your dealer before
starting the engine. If it's impossible to take your ATV to a dealer before starting
it, follow the steps outlined below.
1. Move the ATV to dry land or at the very least, to water below the footrests.
2. Check the air box. If water is present, dry the air box and replace the filter
with a new filter.
3. Remove the spark plug.
4. Turn the engine over several times using the electric start.
5. Dry the spark plug. Reinstall the plug or install a new plug.
6. Attempt to start the engine. If necessary, repeat the drying procedure.
7. Take the ATV to your dealer for service as soon as possible, whether you
succeed in starting it or not.
8. If water has been ingested into the PVT, follow the procedure for drying out
the PVT in the PVT Drying section.
132
MAINTENANCE
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