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TOPIC: Re:Burned out headlight bulbs??? Forum Tools Post New Topic Show latest posts Rules

#143310 Charlie Horse (User) Junior Boarder Posts: 194 Burned out headlight bulbs??? 3 Years, 5 Months ago   Hey guys, I need some help. I purchased my bike new (05 M*) in December 2006. I have since been through 4 headlight bulbs (H4). I don't have fogs installed on this bike. I've checked electrical connections, voltage etc...but they keep blowing after about 6 months. It's not always the same circuit either. Sometime the high beam goes, sometimes the low. I'm not sure what else to check. They're all known name brands, the last two were PIAA Superwhite 60/55w. I'm suspecious that it may be caused by vibration...but I'd expect to see more complaints on the forum in any case...any suggestions?   Logged     Charlie Horse It only hurts when I laugh!!!   The administrator has disabled public write access. #143312 Musky (User) Platinum Boarder Posts: 15137 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   Have you checked what kind of juice is going to the headlight with the RPMs up at cruising speed?   Logged       The administrator has disabled public write access. #143314 Charlie Horse (User) Junior Boarder Posts: 194 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   Nah, haven't checked while running...only with key on. Looked for voltage drop, but I'll check that next. I imagine that there shouldn't be more than 14.2v at say 2500 rpm. Sound right?   Logged     Charlie Horse It only hurts when I laugh!!!   The administrator has disabled public write access. #143315 Darn (User) Don't forget, Never forget. Platinum Boarder Posts: 7084 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   did this just start happening? Or has it been an issue since you bought it? Narrow it down......   Logged     Free, personalized tra   The administrator has disabled public write access. #143319 Charlie Horse (User) Junior Boarder Posts: 194 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   Yea I'm getting 14.11v at 2500 (and idle too)   Logged     Charlie Horse It only hurts when I laugh!!!   The administrator has disabled public write access. #143320 Charlie Horse (User) Junior Boarder Posts: 194 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   Has happened since 6 months after I bought it...   Logged     Charlie Horse It only hurts when I laugh!!!   The administrator has disabled public write access. #143413 Greysnake (User) I'm so far behind I think I'm first. Platinum Boarder Posts: 7911 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   I know this sounds silly ,but have you been touching the glass part of the bulb with your bare fingers. Oil from your skin will reduce bulb life. Just a thought. Alittle di-electric grease helps also.   Logged     Last Edit: 2008/12/02 21:50 By Greysnake.   06 Midnight Silverado *nothing shines like a star*   The administrator has disabled public write access. #143428 Big Bear (Moderator) Who loves you , Baby? Moderator Posts: 6997 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   Mine used a bulb every 3 thousand miles........for the whole 17,000+ mile I had it. Electrical was totally stock. I tried "expensive" bulbs , Motorcycle bulbs , but in the end , they all died , so I stuck with the cheap H4.....never figured out the cause , just lived with the minor inconvenience of having to change it. BB   Logged       The administrator has disabled public write access. #143505 Charlie Horse (User) Junior Boarder Posts: 194 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   Greysnake wrote: I know this sounds silly ,but have you been touching the glass part of the bulb with your bare fingers. Oil from your skin will reduce bulb life. Just a thought. Alittle di-electric grease helps also. Yea, I know not to touch the glass as I've been using H4 bulbs for 25 years, but I could put di-electric grease on the plug...good suggestion. I believe BB may be right...they just can't stand the mileage. I have 23,000 miles on the bike and the bulbs have lasted an average of 5,700 miles. The only hassle for me is that I have to move the fairing out of the way in order to remove the headlamp assembly ring. Fortunately, I carry spare bulbs and a few basic tools Thanks for the suggestions   Logged     Charlie Horse It only hurts when I laugh!!!   The administrator has disabled public write access. #143508 Flashback (Moderator) Just the facts, Ma'am.. Moderator Posts: 9221 Re:Burned out headlight bulbs??? 3 Years, 5 Months ago   Charge voltage may be a tad high, over time, it could cause premature failure I guess.. only way I would know to tell, would be to change the rectifier, and if that's not it, you just blew a bunch of chrome money...   Logged       The administrator has disabled public write access.

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