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Discussion Starter #1
The headlight fuse has gone bad for the second time after I changed it yesterday.
Anyone got idea what may casue this problem?
 

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What size Fuse

The headlight fuse has gone bad for the second time after I changed it yesterday.
Anyone got idea what may casue this problem?
Not much info, was the bike stored outside, how long have you had the bike?
Just low beam on when what size fuse blew?

What year is bike?
Have you had the bulb out?
 

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Discussion Starter #5
Check the headlight wiring for a short.
Check the headlight bulbs for a proper connection.
Not much info, was the bike stored outside, how long have you had the bike?
Just low beam on when what size fuse blew?

What year is bike?
Have you had the bulb out?
THe bike is 2008 650 versys.
the bike was stored outshied and my father said it could have been due to the heat wave of the last few days (37 degrees celcius)

Something is ground faulting. I'd check connectors first, look for a wire or a bit of metal touching the frame.
Now that the weather is better I will try to insert new fuse hoping it won't burn, and if it would then I'll start the trableshouting.

Thank you everyone!
 

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check your voltage regulator and all the connections. check the battery too. run the engine and watch the voltage. when the V/R goes bad you can overvolt. a bad ground to the V/R can make it overvolt too. then it burns out bulbs and fuses.
 

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check your voltage regulator and all the connections. check the battery too. run the engine and watch the voltage. when the V/R goes bad you can overvolt. a bad ground to the V/R can make it overvolt too. then it burns out bulbs and fuses.
All excellent, something I thought about but expected more information.
 

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Discussion Starter #9
Maybe the bike is living up to your forum name? :p

:joke:!! Good luck with it!

Rob in KC
'14 Versys 650 ABS
LOL hope not for long...

check your voltage regulator and all the connections. check the battery too. run the engine and watch the voltage. when the V/R goes bad you can overvolt. a bad ground to the V/R can make it overvolt too. then it burns out bulbs and fuses.
I am about to do oil & filter change and I'll check connectors and wires of the lighting before putting new fuse in just to be sure it;s the heat that caused the problem.

All excellent, something I thought about but expected more information.
What do you mean by more information? (Im kinda new here)
 

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like others have said , check your stater and rectifier (test voltage with bike running and run it thru the rev range a bit (it has 3 stages) if it stays under 15v next check would be your wiring for a brake, and if none of that is at fault change your light bulb , it could somehow be defective
 

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What Year is Your Bike

One thing I can say for sure, it won't be the heat.
You don't mention,
#1- is this low beam on only
#2- have you pulled the light bulb, I have seen a bad bulb, from vibration, the filament was partially shorted--although on low beam that isn't enough to blow the fuse
#3 -what size of fuse are you installing
#4- check your output voltage, by adjusting your idle to 2000 RPM with idle screw-low beam only, should be 14.9 VDC or less--common problem if you have a MK-1 or MK-2 without a hugger or mud flap, the brown wire from the key switch controls the regulator shunt/ over voltage function--corroded connection and blown fuses --another easy but crude test is rev your bike from 2000 RPM to 4000 with both low and high beam on, if the higher you go the brighter the bulbs get is a good indication your regulator isn't functioning correctly. The stater has sufficient power at 1500 RPM to drive the low beam, there should be no change in light output no matter what RPM you are running at above 1500 RPM
#5--others have suggested to check you wiring, the passing switch / high beam is part of a flexible harness that has been known to be damaged by the clutch cable if it isn't routed properly- you could try turning your steering left to right while idling and see if a fuse blows
personally it would be faster to trace the wiring and look for a frayed connection / bare spot.
 
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