Fused stator fuses? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 8 (permalink) Old 07-18-2006, 04:23 PM Thread Starter
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Fused stator fuses?

Guys (and gals), I think we may be putting too high of a fuse in our fused stators. I found some specs, and it said that our stator is 336 watts. Knowing that the high voltage output at the 336 watts should be roughly 70 volts, then the fuse we use shouldn't be much more than 5 amps.

Whaddaya think?

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post #2 of 8 (permalink) Old 07-18-2006, 05:09 PM
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5 is too low. the 336 is after the losses of the r/r to my knowlegde. and at 80 volts (i think we put out 90 volts at 7k rpm, not for certain yet.) that means that 4.68 amps will flow through each wire....too close. i think a 10 amp is fine, although a 7.5 would be perfect if they were made.

'04 Vn750
Currently Installed
nat'l cycle deflector shield
westco 12v30 MF, 30A/h w/ 350 CCA's w/ custom box
TOC stator cover w/ Frankenstator mod!
R/R relo

Soon to have (own or on order)
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post #3 of 8 (permalink) Old 07-18-2006, 05:16 PM Thread Starter
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OK. I wanted to hear from you before I posted, but now the info is out.

OK, EVERYBODY WITH FUSED STATORS GO REPLACE THEM WITH 10 AMP FUSES.

If that isn't enough, I'm sure we'll hear back soon.

2000 A16
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Kuryaken grips
relocated R/R
de-badged
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post #4 of 8 (permalink) Old 07-18-2006, 07:05 PM
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lol what were they using before????

'04 Vn750
Currently Installed
nat'l cycle deflector shield
westco 12v30 MF, 30A/h w/ 350 CCA's w/ custom box
TOC stator cover w/ Frankenstator mod!
R/R relo

Soon to have (own or on order)
TOC ACCT's
Mez's 110-FRT 170/80-Rear
Custom rear fender and tail light
Givi hard bags w/ custom rear turn signals


Band Engineer/Webmaster for Josey Contreras Tejano Band
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post #5 of 8 (permalink) Old 07-18-2006, 08:29 PM
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I ran out and bought 3 15-amp and 3 20-amp fuses ("just in case"). But they're cheap and I haven't put them in yet, so I can pick up some 10s.

Question, though: when you all are talking about fusing the stator leads, I'm assuming that you're putting a junction box (with the three fuses) on the three yellow wires somewhere between the stator and the plug that goes into the r/r? Or am I conceptualizing that wrong? The folks at the shop assumed I was going to use the existing junction box, but there's clearly no room in that inn.

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post #6 of 8 (permalink) Old 07-18-2006, 11:14 PM Thread Starter
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The folks at the shop?

You've got the right idea. You saw the pic, right? Show it to them (whoever they are.)

Hizzo - wherever the idea came from, they were using 20 amp fuses. Then I saw where somebody lost a stator anyhow, so they switched to 15's. And I've been tossing around the fuse thing in my head, well, and I came up with the 5 amp. Are you sure they don't make a 7?

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$65 leather saddle bags
Kuryaken grips
relocated R/R
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post #7 of 8 (permalink) Old 07-18-2006, 11:42 PM
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There is a 7.5 Amp fuse. I have some in my tool box.

Chad Falstad "Hawk"
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post #8 of 8 (permalink) Old 07-19-2006, 12:14 AM
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i didnt know if they made a 7.5 or not... i've never seen one, nor really paid that much attention. damn, a 20 amp fuse on each lead? that mean that +1200 watts can pass through that single winding before it blows no wonder they were still blowing the system. btw that is a total of 3600 watts or 60 amps before all fuses blow simultaniously..... suv/truck charging systems are in the 90 amp range for some comparison.

now on the electrical box, you can modify a larger one to fit, or use a separate smaller one, or there are even inline fuse holders (commonly used in car audio). It just depends on how much time you wanna take, and how nice under the cover you want it to look

'04 Vn750
Currently Installed
nat'l cycle deflector shield
westco 12v30 MF, 30A/h w/ 350 CCA's w/ custom box
TOC stator cover w/ Frankenstator mod!
R/R relo

Soon to have (own or on order)
TOC ACCT's
Mez's 110-FRT 170/80-Rear
Custom rear fender and tail light
Givi hard bags w/ custom rear turn signals


Band Engineer/Webmaster for Josey Contreras Tejano Band
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