Question about 1998 Suzuki GSX-R 750 W

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Gsx r 750 1998. Battery holds charge when riding with lights off. But not with lights on. Stator or rect/reg??

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Definitely a charging issue. Always check the battery first, I prefer a gel cell battery over acid. Battery must be good and strong to charge properly. This charging system is so small , it only operates enough to maintain battery voltage. Normally it wont charge a weak battery, so start there first. you can check the voltage coming from the stator, at 3k RPM you should be getting around 60-80 volts per leg. If each stator leg checks within these results, it will be a good stator. The reg/rect is not something I can tell you how to check on the bike. We have a stand alone system here where we bench test them off the bike to eliminate the rest of the system to test Just the reg/rect.
I have these stators here new also have the reg/rect, both have a one year warranty. If you need more help let me know. Thanks

Posted on Feb 21, 2012

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Posted on Jan 02, 2017

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SOURCE: 750 gsx r annual maintenance

600 mile service. Change oil adjust brakes, clutch, and chain. evey week check your fluids and tires. I dont remember what service is after 600 but change your oil more often than not. 3K for conventional and 5k for synthetic is the usual agreement. Other than your oil, cables, and chain. I dont think your next service is till 10K miles I THINK. If you have a torque wrench its a good idea to put all your bolts into spec every week or two, espically the rear axle nut(36mm 72.5lbFT)

Posted on Nov 10, 2008

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SOURCE: 750 gsx annual maintenance

600 mile service. Change oil adjust brakes, clutch, and chain. evey week check your fluids and tires. I dont remember what service is after 600 but change your oil more often than not. 3K for conventional and 5k for synthetic is the usual agreement. Other than your oil, cables, and chain. I dont think your next service is till 10K miles I THINK. If you have a torque wrench its a good idea to put all your bolts into spec every week or two, espically the rear axle nut(36mm 72.5lbFT)

Posted on Nov 10, 2008

  • 1 Answer

SOURCE: 1996 Suzuki GSX-R 750 T

they will more than likely fit but doubt that it'll run smoothly

Posted on Apr 02, 2009

  • 492 Answers

SOURCE: 97 gixxer 750, will not start. Starts fill with

Your charger should be putting out 13.0-14.5 volts to keep the battery charged. Otherwise its running off the stator sometimes and the battery at other times depleating the battery. The voltage regulator could be bad or the stator could be bad. try swapping the volt regulator first and start from there. Also a battery that has been depleted should be sufficiently recharged before using it again.

Posted on Apr 30, 2009

  • 492 Answers

SOURCE: 03' GSX- R 750 not charging

Should put out continuous 13.0-14.5 volts to charge battery. Replace voltage regulator.

Posted on Apr 30, 2009

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Did you check the rectifier/regulator? AC Power comes from the stator via the reg/rect which converts it to DC volts and sends it to the battery.

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Hi
As the battery & regulator/rectifier have been replaced, the only other things to check are :-
Continuity from reg/rect red wire to battery & to earth, then check for continuity between each of the 3 yellow wires, all should be the same resistance - if not the stator coils in the alternator are faulty

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Please mark this as very helpful (if it has been!!)

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This is probably due to a faulty wiring, regulator/rectifier or, less likely faulty alternator
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I firmly believe what started the problem. Two guys that I told I didn't need help, but they pressured me to let them help. They hooked a battery backwards to my bike. A lot of people believe that's what shortened the life of the rectifier and stator.

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