Honda VTX1800R Owner's Manual page 172

Check the radiator fan.
If the fan is not working, turn the
engine off. Open the fuse box (page
167 ) 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 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 just behind the crankcase.
It isn't necessary to touch the radiator
system.
If the reserve tank is low or empty, don't
ride without adding coolant (page
After adding coolant, turn the engine on
and check the temperature indicator.
If the indicator doesn't turn off, do not
ride. The engine needs repair. Transport
If Your Engine Overheats
your motorcycle to a Honda dealer
(page
If the temperature drops to normal,
check the coolant level. If it has gone
down, add more coolant.
If you are able to resume riding, continue
to monitor the temperature indicator
frequently.
If there's a mild leak, you can ride for
awhile, carefully watching the temperature
indicator. Be prepared to stop and add
more coolant or water. If the leak is bad,
transport your motorcycle to a Honda
90 ). dealer (page
Taking Care of the Unexpected
139 ).
139 ).
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