Honda FOURTRAX, Owner'S Manual

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190
Taking Care of the Unexpected
If the High Coolant Temperature
Indicator Lights
Continuing to ride with high coolant temperature or an overheated
engine can cause serious engine damage.
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.
If there’s no obvious problem, leave the engine on so the fan and
coolant circulating system can continue working. Monitor the high
coolant temperature indicator. The indicator may turn off after a brief
stop with no load on the engine.
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 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.
Normally, the high coolant temperature indicator will only light
momentarily when you turn the ignition ON (
). Occasionally, it may
flicker at or near idling speed.
High 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.
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