Alternator or rectifier?

[BASS-TREBLE]

Help guys...

05 Gn250 with 14000km
Battery about 6 months old.

Bike is running on lower voltages each week, reason that I figured that out is that even at 6000rpm heated grips won't turn on (they require 11.5V).

Max voltage is about 13V at battery when being revved.

I don't think it is the rectifier because there are no blown fuses and it leads me into thinking the windings in the stator are at fault.

How can I be sure and can I get them re-wound?

thanks
B-T

[Blackbird]

The bad news is I don't know what voltages your GN is supposed to put out, but it looks about right, maybe a volt low. It would pay to get your battery load tested at a local auto electrician in case it is the battery despite young age.

The good news is that Ken Cairns Auto Electrical at Dinsdale in Hamilton does a lot of specialised bike work. He rebuilt the alternator on my Blackbird and improved it at the same time. He might even be able to check it for you.

Good luck!

[pete376403]

I have posted this so many times....
http://thegsresources.com/garage/gs_statorfault.htm
more than you ever wanted to know about Suzuki (and most other) bike charging systems

[Spuds1234]

Without reading that, just set your meter to about 100V AC and chuck it across the coils.

Check each one against the other 2. You should be getting 50v to 70v.

If your not, check the resistance between each coil. It should be infinity. If you have low resistance then your coil is poked.

[CookMySock]

If you're still stuck bro, bring it over here and we'll get the tools and test gear out and have a nosey at it for ya. Charge your battery up overnight before you come over.

Steve