Rectifier issue on KZ900B

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07 Jul 2011 12:12 #461513 by readtaintor
Rectifier issue on KZ900B was created by readtaintor
Forum Members,
I have a '76 KZ900B that occasionally blows the 20A main fuse. Using an ohmmeter it appears that the rectifier's 2 of 4 diodes are shot. Are any of you aware of a generic/less expensive replacement or is it possible to replace the 2 diodes? Any advice would much be appreciated!

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07 Jul 2011 16:34 #461563 by MFolks
Replied by MFolks on topic Rectifier issue on KZ900B

1982 GPZ1100 B2
General Dynamics/Convair 1983-1993
GLCM BGM-109 Tomahawk, AGM-129A Advanced Cruise Missile (ACM)
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07 Jul 2011 17:48 #461580 by loudhvx
Replied by loudhvx on topic Rectifier issue on KZ900B
No eBay APP ID and/or Cert ID defined in Kunena configurationNo eBay APP ID and/or Cert ID defined in Kunena configurationThere should have been 6 diodes, if I recall correctly.

As Mfolks says, oregonmotorcycleparts is your best bet due to the warranty and price.

However, you can make one pretty cheaply if you need it today:
home.comcast.net/~loudgpz/GPZweb/RegRec/...3phaseRectifier.html

But there is a new option as well, that some have used with success. They take a long time to get, and I'm sure there isn't much of a warranty.


I just spotted this one too:

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07 Jul 2011 17:50 #461582 by otakar
Replied by otakar on topic Rectifier issue on KZ900B
I have used the SQL100A and love it. It's worth every penny.

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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10 Jul 2011 09:22 #462000 by TomW
Replied by TomW on topic Rectifier issue on KZ900B
I replaced my OE rectifier with an electronic rec/reg. You can have the old rectifier for postage cost if you want it. It's out of a '78 KZ1000 LTD.

'78 KZ1000B2 LTD stock + Vetter Fairing & luggage
'91 ZG1200B5 Voyager XII, stock
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