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Jimmy Pollock Posted on Jan 10, 2015
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Hey Terry Stevens,you responded to my question,(how hot should the voltage regulator of my 92 FZR 600 get) and it is what it is the three white wires coming out of the alternator were hard & b

Hey Terry Stevens,you responded to my question,(how hot should the voltage regulator of my 92 FZR 600 get) and it is what it is the three white wires coming out of the alternator were hard & burnt looking .So I spliced in some fresh wires and thought I was good to go.When I started the bike ,within a miniute the regulator was to hot to handle. What do you think?

1 Answer

Joe Stanch

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  • Posted on Jan 10, 2015
Joe Stanch
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My opinion , this should never get hot as you say it should always stay cool to the touch never hot if it is hot you may have a short somewhere ck the wires get a schemetic and find out where the wires are coming from and which one may be grounded out

5 Related Answers

Anonymous

  • 13 Answers
  • Posted on Jul 28, 2009

SOURCE: the wires going to the voltage regulator keep burning up.

Common problem with poor quality parts, the regulator is the problem, the generator is working other wise you would not have fried the wiring, you answered your own question. someone telling porkies to get more money from unsuspecting client?
The regulator controls the voltage not the generator, the generator only supplys the voltage it cannot overcharge unless the regulator is not working properly, simple!

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Anonymous

  • 2336 Answers
  • Posted on Nov 20, 2008

SOURCE: cbr 600 getting hot!

What you are describing sounds exactly like a loose connection. If you haven''t done this already, disconnect the two connectors for the R/R and check the female spade lugs to see if they are loose. You can buy a male spade lug to push into the female to check for tightness. If it''s loose then use a set of needle nose pliers to crimp the female spade lugs a little. Just because they plug in to each other does not mean that you are getting a tight connection. Also, how do you know they were not loose?

tombones

  • 3567 Answers
  • Posted on Mar 26, 2009

SOURCE: 1995 fzr 600 spits and sputters

Personally, I would go back to the stock jets, stock air cleaner and stock exhaust then get the carbs balanced and synchronized. Aftermarket stuff is usually flashy and sounds like a good thing.. Sometimes it is but sometimes it ain't. Sometimes one add-on interferes with another. Put some faith in the guys who designed the engine in the first place. Go back to stock equipment and settings and see if the problem disappears.

Keep the cool aftermarket product stickers on the bike. No one will ever know.

Please rate my solution a " FixYa " if all goes well. Thanks!

Anonymous

  • 221 Answers
  • Posted on Jul 31, 2009

SOURCE: wire connector between stator & voltage reg/rectifier burnt

your voltage/reg. can be tested in a couple different ways check ground res. check res. then revs. bias on diodes you have ac in dc out it sounds like you may have a diode gone bad allowing ac curent to flow causing the wires to get hot

Anonymous

  • 66 Answers
  • Posted on Aug 15, 2009

SOURCE: my battery is not charging when bike is running (gsxr 600 k6 )

When you put a voltmeter across the battery terminals, you should get >13.5V (typically) with the engine running. 
If less than this then your charging system is faulty and your battery will not charge. 
See this personally authored thread for a diagnostic guide on how to determine whether you have a problem with your stator or Rectifier/Regulator - inlcuding some cold resistance checks you can do on the R/R to determine if it is shorted. 
[url]http://www.triumphrat.net/speed-triple-forum/104504-charging-system-diagnostics-rectifier-regulator-upgrade.html[/url]
It was written initially for Triumphs, but applies to ANY 3-phase motorcycle charging system. 

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Related Questions:

1helpful
2answers

I have a stator without a connector on it how do i determin which wires go where there is three and they are all white how do i know which is number one

Each wire will be taken from a different part of the stator winding. There will be an electrical resistance difference between all 3. You will probably have to compare what these measurements are from another stator that does have a connector to confirm what wire goes where. Mark each wire as you test it with a bit of coloured tape or marker.
2helpful
1answer

This is a 1992 Yamaha FZR 600, the voltage regulator has a 4 wire connector,3 white wires 1 red, also theirs 1 black wire with a brass ring that is with that same group of wires . Does the voltage regular...

Yes it gets bolted to the frame the black is a ground and most of the time it is grounded with one of the bolts that you bolt it to the frame with
0helpful
1answer

Hey Terry Stevens,you responded to my question,(how hot should the voltage regulator of my 92 FZR 600 get) and it is what it is the three white wires coming out of the alternator were hard & b

does it have a heat sink on the regulator ?
.May need thermal paste from regulator to heat sink.
should not get so hot it burns the wires. Check for short circuit in those wires that got hot.
0helpful
1answer

Hey Terry Stevens,you responded to my question,(how hot should the voltage regulator of my 92 FZR 600 get) and it is what it is the three white wires coming out of the alternator were hard and burnt...

It's normal for the reg to heat up this I'd how they reduce the current from AC to DC and convert the excess voltage to heat. You need to test your charging rate with a multi-metre set it to 20 DC Volts you should get between 13.5 V to 14 V if it is above 14 there is z problem that needs sorting possibly need to replace the reg. Regards Jim.
Jan 10, 2015 • Motorcycles
0helpful
1answer

How hot should the voltage regulator get? Mine gets to hot to touch.Is that a problem and what will cause that

They do get warm that is why they have finning to work as a heat sink. If the wires going to the regulator are not showing any sign of heat I would not worry.
0helpful
1answer

93 yamaha 600 fzr genesisi will not start

I would check the hot wire going to the key switch and the start button itself.
0helpful
1answer

My 1989 Fzr 600 wont hold a charge. will run for

Sounds like your regulator/rectifier is faulty....but it could also indicate an alternator problem. Don't run the bike or it will eventually hurt your battery and/or your alternator (if it hasn't already.)

The wire currents, voltages, etc needs to be checked (from the alternator AND from the rectifier) so I recommend you take the bike to a mechanic unless you have a multimeter and shop manual handy.

I've found Yamaha wiring connections to be slightly weak....and sometimes lead to the premature death of the reg.rectifier. Solution was to 'solder' the connections instead.

Good luck with the FZR.

RP


6helpful
3answers

Yamaha FZR 600 not charging correctly with the lights on

I HAD THE SAME ISSUE. CHECK YOUR VOLTAGE OFF O THE MAGNETO, IT SHOULD BE IN THE 25V RANGE. IF THAT CHECKS OUT OK CK THE VOLTAGE IMEDIATLY AFTER THE VOLTAGE REGULATOR, I BET IT IS BELOW 14V. THE FZR IS PRONE TO HAVING THE REGULATOR GO BAD (THE OLDER ONES HAVE NO COOLING FINS AND THEY BURN THEMSELVES UP). THE BEST ONE TO BUY IS THE NEWER VERSION FROM A 1999 FZR, IT HAS COOLING FINS WHICH GREATLY PROLONGS THE LIFE. YOU HAVE TO DO SOME SLIGHT WIRING MODS, BUT NOTHING ANYONE COULDN'T DO. SEARCH FOR FZR REGULATOR UPGRADE AND IT WILL EXPLAIN EVERYTHING! I HOPE THIS HELPS! GOOD LUCK!
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