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post #1 of 10 (permalink) Old 08-09-2015, 08:52 PM Thread Starter
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two issues

I was over at a friends house and he wanted to ride my bike. I let him and he had no problems except for I forgot to turn the petcock on and he ran out of gas.

When I got on to ride home I forgot to pull up the kickstand and the bike shut off like it suppose to. When I went to crank it again the idle would never go lower than 3krpm's. I left it like that until I got home. Then I adjusted the idle screw down to just above 1k. I am not sure what happened so any suggestions would help.

Also my fan turned on 10 minutes after I got off the bike at my friends house. I have already had issues with this so is that my water sensor that is causing that or something in my junction box?

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post #2 of 10 (permalink) Old 08-10-2015, 08:32 AM
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It could be the fan relay and not the coolant temp sensor. When the coolant temperature reaches 210 deg. f the sensor's switch should close and complete the negative connection (ground) to the fan relay. Remove the wire clip from the sensor (bottom of the radiator left side) and put a wire from it to any part of the engine that doesn't have paint. You don't need the ignition on for this test. If fan doesn't come on it's prolly a bad relay. Also check the wire connection at the fan motor it's below the fan.

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Last edited by kay; 08-10-2015 at 08:37 AM.
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post #3 of 10 (permalink) Old 08-10-2015, 04:44 PM
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You can leave the petcock on.

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post #4 of 10 (permalink) Old 08-10-2015, 07:33 PM Thread Starter
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the second problem wasn't the petcock but the idle jumping to 3k instead of 1k. What would cause that to happen?

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post #5 of 10 (permalink) Old 08-10-2015, 11:00 PM
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In this hot weather the engine temp goes up when the engine is shut off. This may be what caused the fan to come on. Did the fan shut off on it's own?

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post #6 of 10 (permalink) Old 08-11-2015, 09:44 AM Thread Starter
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no the fan runs continuously when it turns on. The gauge never gets above a 1/4 the way up the scale. But the other day it had been off for about 20 minutes and just turned on by itself.

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post #7 of 10 (permalink) Old 08-11-2015, 10:37 AM
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I suspect a bad relay in the Junction box.
Nitrospaz had the same issue where it would turn on for no apparent reason and drain the battery.
I swapped his JB and when I took his apart, it had metal shavings from removing and replacing the fuse. this metal fell into the JB landed on the PCB traces. The metal shards had shorted out the relay....causing the fan to be powered intermittently when it should not be. The shards would heat up from the current flow and deform...then that would break the connection.
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post #8 of 10 (permalink) Old 08-11-2015, 01:41 PM Thread Starter
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well I can certainly replace the relays.My junction box is still disassembled for the most part so it would be easy to get to.. Might as well replace all 3 while I am in there. Then I can get my headlight back working correctly.

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post #9 of 10 (permalink) Old 08-11-2015, 02:32 PM
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Quote:
Originally Posted by mrseedsower View Post
the second problem wasn't the petcock but the idle jumping to 3k instead of 1k. What would cause that to happen?
Several things....choke closing all the way? throttle closing all the way? Loose carb boot or leak in air intake system.

You are adjusting the idle AFTER the bike has warmed up?

Your bike may be possessed....

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post #10 of 10 (permalink) Old 08-11-2015, 03:07 PM Thread Starter
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yeah I have thought of that.

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