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Old 01-22-2011, 10:23 PM   #1
vfr750
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vfr750 headlight problem any advice is appreciated

I ride a 96 Honda VFR750F I recently changed the headlights to a silverstar 9003 and they lasted about two months then a week ago I was riding to work and my low and high beams blew out at 5:30 am I put new ones in that night to get home and made it about three miles down the road and the low beams went out and no I didn't touch the glass surface of the bulbs I have now went and purchased hid headlamps but I was wondering if an electrical issue could cause this problem before I blow out my hids any help is appreciated thanks
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Old 01-22-2011, 10:26 PM   #2
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Welcome to MH. Did you ever have issues with regular headlights?
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Old 01-22-2011, 10:30 PM   #3
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Other than they weren't bright no but its a common problem with the stock lights on that perticular bikeand the headlamps get bright and dim as if the voltage regulator is failing also another common problem with this yearmodel
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Old 01-22-2011, 10:33 PM   #4
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I was wondering if I check the voltage at the headlamps plug how many volts shoud it be is it 12.56 like a car or is it more voltage I wouldn't think so but it doesn't hurt to ask
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Old 01-22-2011, 10:33 PM   #5
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if they are fluctuating currently, change the regulator. HID's work off a transformer and I would venture to say that inconsistant voltage will not go well with it.
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Old 01-22-2011, 10:34 PM   #6
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Quote:
Originally Posted by vfr750 View Post
I was wondering if I check the voltage at the headlamps plug how many volts shoud it be is it 12.56 like a car or is it more voltage I wouldn't think so but it doesn't hurt to ask
12.56 is fine. 12 volts system just like a car
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Old 01-22-2011, 10:38 PM   #7
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K just making sure I know what to look for when I check it while its running with my dvom to see if its the regulator or the switch or neither
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Old 01-22-2011, 10:52 PM   #8
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Thanks for the advice guys once I get it fixed I will post an update and hit me up about rides to would love to make a couple of them
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Old 01-22-2011, 10:53 PM   #9
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K just making sure I know what to look for when I check it while its running with my dvom to see if its the regulator or the switch or neither
I know when my voltage regulator was going out, it was very random. but if it is, it will allow voltage to spike and very possible blow bulbs.
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Old 01-22-2011, 10:57 PM   #10
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Also noticed it is more noticble with my turn signals on it fluctuates even more but I haven't checked the voltage yet
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Old 01-22-2011, 11:03 PM   #11
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well, turn signals draw alot and will dim a headlight when they flash if you are at idle. the tell tale is when you are driving and you notice the headlight and instrument cluster get bright and dim while at speed for no good reason.
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Old 01-22-2011, 11:06 PM   #12
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Yeah that's. Exactly what's going on I will be cruising and for no reason at alll it will dim \ brighten while rolling down the road
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Old 01-22-2011, 11:12 PM   #13
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Quote:
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Yeah that's. Exactly what's going on I will be cruising and for no reason at alll it will dim \ brighten while rolling down the road
yup, replace the regulator. common honda issue.
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Old 01-23-2011, 09:29 AM   #14
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awsome, another vfr750 owner
images?qtbnANd9GcSflFg4zocojcD8Sf6kJRTQjfPe3k3dm2qITDHk llNrLIA2i8FlQ&ampt1
i have headlight issues to, the dimming headlight when the blinkers or taillight come on, that i have just accepted as how it is. i also have an issue where the headlights go out for a fraction of a second only sometimes when i go from hi to low. i think that is due to some custom wiring by a previous owner


but hey, lets see some pics
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Old 01-23-2011, 09:46 AM   #15
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Double check all your grounds as well. Loose grounds will give you all kinds of fits.
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Old 01-23-2011, 11:05 AM   #16
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Earlier VFRs were notorious for regualtor/rectifier issues. If it's over charging it could blow the bulbs. Inspect the r/r, the plug coming from the stator and the positive wire running from the r/r to the battery. Look for signs of melting or corrosion.
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Old 01-23-2011, 01:18 PM   #17
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^ the answer man.
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Old 01-23-2011, 02:54 PM   #18
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I've had good luck updating that old honda one to the the newer model like on the 919's & I believe the RR's use it too. That old one was a POS & you'll end up just constantly re-buying it.
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Old 01-23-2011, 11:32 PM   #19
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Cool thanks for all the info gonna upgrade it in a few weeks my hid's are installed and worrk great with no pulseing but still wannna replace that regulator though @ loosenoose I sees u r in Montgomery the next time me and the boys roll through to yankees I will let u know so I won't braught the only v in the pack and that is ur headlight switch causing ur lights not to change from bright to dim on ur vfr
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Old 01-23-2011, 11:50 PM   #20
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just an FYI, the A/M bulbs w higher output do not last more then a couple months usually if in regular use.

There's alot of vibration in motorcycles coupled w a hotter burning elimate to create a brighter light.... Recipe for weakened filiment.
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