242
If the High Oil/Coolant Temperature
Indicator Lights
Taking Care of the Unexpected
Continuing to ride with low oil pressure or an overheated engine can
cause serious engine damage.
Normally, the high oil/coolant temperature indicator will only light
momentarily when you turn the ignition ON ( ). Occasionally, it may
flicker at or near idling speed.
High oil/coolant temperature may be caused by restriction of air flow to
the radiator (such as mud caked on the radiator), extended idling, an oil
leak, a coolant leak, a low oil level, a low coolant level, or extended
operation under adverse conditions.
If the indicator comes on while you’re riding, don’t ignore it. Pull safely
to a stop. Stop the engine as soon as it’s safe to do so, and let it cool.
Check for any restriction of air flow to the radiator.
A steaming engine indicates a coolant leak. Shut the engine off and
wait until the steaming stops. Look for a leak, but don’t touch the
engine or radiator system. Let everything cool off first.
Check the radiator fan.
If the fan is not working, turn the engine off. Open the fuse box (page
) and check the radiator fan fuse. If the fuse is blown, replace it
with the proper (same rating) spare fuse. Start the engine. If the high
oil/coolant temperature indicator comes on and stays on, turn the
engine off.
If the radiator fan is working, visually check the coolant level in the
reserve tank, located under the rear fender. It isn’t necessary to touch
the radiator system.
If there’s no obvious problem, leave the engine on so the fan and
coolant circulating system can continue working. Monitor the high
oil/coolant temperature indicator. The indicator may turn off after a
brief stop with no load on the engine.
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