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Keep blowing headlights 28 Mar 2009 06:43 #276021

  • larrycavan
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Seems to me the problem is there is more advice than acutal problem.......;) Here's some more :ohmy:

Think about it.... Check the charging system output. It's either in or out of the range. That has to be resolved before any other guessing / theory is worth looking into.

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Keep blowing headlights 28 Mar 2009 06:58 #276026

  • Old Man Rock
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@ Tony... DOH!... Me so sorry....

Harbor Freight Tools.... I had to buy a new Tach and came across this one where it has Tach, Dwell, Capacitance and all the other normal DVM functions...

For those of you still using non EI, this is perfect for ya for checking those nasty little condensers... ;)

In either case, as Larry and some of the others pointed out, you need to insure your charging circuit is working so you must either purchase at least a volt meter of one sort or another to confirm...

Pretty much a voltmeter with continuity (resistance) measurements can be found anywhere in your local area.
Hardware or automotive stores all carry them...

OMR
1976 KZ900-A4
MTC 1075cc.
Camshafts: Kawi GPZ-1100 .375 lift
Head: P&P via Larry Cavanaugh
ZX636 suspension
MIKUNI, RS-34'S...
Kerker 4-1, 1.5" comp baffle.
Dyna-S E.I.
Earls 10 row Oil Cooler
Acewell 2802 Series Speedo/Tach
Innovate LC1 Wideband 02 AFR meter

Phoenix, Az

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Keep blowing headlights 28 Mar 2009 19:20 #276204

  • Zacknhs
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i found all three of my multimeters. i knew i had them somewhere i'm a aerospace engineering student that dose all of his own auto work. the bike is sitting here in parts waiting for another reshipment from Z1. once it's here on monday i will put it back together and check the charging system.

i saw the post about the colors of the bulb. it is always clear just the filament is broken. -> so vibration. still going to check the charging system to be safe.

if it's vibration Rice Paddy is 2 blocks from me hopefully they have the bucket grommets for less then a arm and a leg.
Columbus, Ohio

Go Bucks

1978 Kz1000 <- first bike and i love it!!

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Keep blowing headlights 29 Mar 2009 13:27 #276441

  • bountyhunter
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If the system is seeing excessive voltage, the SMALLER bulbs usually blow first because they can't handle the power well. On mine, the instrument light bulbs blow first. Headlights are a lot more resistant to over voltage than the small bulbs.

Headlights are notorious for dying due to vibration.
1979 KZ-750 Twin

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Keep blowing headlights 29 Mar 2009 18:44 #276560

  • otakar
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Do like I did go with HID Xenon and you do not have to worry about voltage (it is good to 16v) or a bulb filament for that matter. Here is mine.
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
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Keep blowing headlights 29 Mar 2009 18:46 #276562

  • otakar
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This is what it looks like on the bike.
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
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Keep blowing headlights 29 Mar 2009 18:47 #276566

  • otakar
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This is what it looks like ON. :woohoo:
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
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Keep blowing headlights 29 Mar 2009 19:26 #276593

  • otakar
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Here's the light it puts out.
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
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Keep blowing headlights 31 Mar 2009 05:48 #276973

  • Zacknhs
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i forgot to mention that i did have a hid in it at one time and the filament in it became broken also after about a month. the bike will be running today. got the carbs and tank back on yesterday. just need to put gas in and sync the carbs. then I'll check with the multimeter. i have been looking in to high vibration h4 bulbs. if it's not voltage too high then i'll try one of those.
Columbus, Ohio

Go Bucks

1978 Kz1000 <- first bike and i love it!!

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Keep blowing headlights 31 Mar 2009 08:05 #276999

  • Sandy
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Zacknhs wrote:

i have been looking in to high vibration h4 bulbs. if it's not voltage too high then i'll try one of those.


Been there,done that...blew those type as well.
I think I went through 3 of that style,before rectifying the vibration issue.
They DID last longer,but they did blow.B)
1977 KZ1000 A-1

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Keep blowing headlights 01 Apr 2009 20:18 #277555

  • Zacknhs
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so i got the bike out today. the electrical system checked out ok.

so vibration is my problem. i noticed on the way back from bike night that my head light bounces around as i ride i need to check out the bucket grommets before i make my order at z1 for jets.
Columbus, Ohio

Go Bucks

1978 Kz1000 <- first bike and i love it!!

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Keep blowing headlights 03 Apr 2009 13:09 #278098

  • saxjonz
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otakar, that is a nice jag in the drive and the paint on your bike.... very nice. Hope to ride with you soon. I am still waiting on the machine shope to finish my parts.
79 LTD B3
80 LTD B4 1075 kit JE Pistons .410 cam grind, Bassani, 31 keihin CR Specials...
1980 Z1R, 2002 ZRX1200, 2003 ZRX1200

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