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91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 1:30 pm
by 907Lopez
The only thing I need done now is to put the windscreen back on and also figure out the wiring charging system and she'll be good to go. The VR is fried and when I bought a new VR, the main fuse kept popping. Could this be a short in the wires?
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Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 4:54 pm
by thatkid
Which VR have you got? The old 4 pronged, or the newer Finned 5 prong version? Everyone highly recommends the New VR. Your bike has the old VR fitted as stock
If you've wired it wrong that could blow the fuse. Disconnect the VR if the main fuse blows (30 amp Green fuse) its probably a short somewhere on the Red wire leading to the Ignition switch. If not either the VR is dead fried (shorting to ground), or could be wired wrong. Having never wired one incorrectly I don't know if that would blow the fuse, it's a guess.
If the fuse only blows with the VR connected and wired correctly, DO NOT use that VR!! It's fried.
Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 5:02 pm
by 907Lopez
I bought a new four prong VR, supposedly wired it correctly but soon as the positive battery terminal gets connected it blows the fuse. Now the new one got smoked...
Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 5:07 pm
by thatkid
Wiring is VR laying flat on the alloy body, rubber facing upwards prongs facing you
White - White
White- Red

If you've fried the VR search for the VR mod
EDIT any more questions fire away, A fried VR kills your electrics
Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 5:31 pm
by 907Lopez
From that, I wired the new one correctly...still blew fuses...
Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 5:38 pm
by thatkid
You should check your stator winding's, something I have never done. You could have other problems. I'll put my thinking cap on and get back to you, l'll also work out how to check the stator <<< something I need to know any how.
Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 5:39 pm
by 907Lopez
Cool thanks...
Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 5:49 pm
by thatkid
Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 5:55 pm
by 907Lopez
Thanks...now I need to find a meter...
Re: 91 FZR Project is almost complete!
Posted: Tue Aug 17, 2010 6:03 pm
by thatkid
Good luck. But upgrade to the newer 5 prong Finned VR. That is covered
Here
Edit also read
This