engine not charging battery?

[mcollett182]

Basicly my bandit 400 hasn't been starting off the button as there is no power in the battery and i assume that the engine isnt charging the battery when it is running as i did a 30 mile round trip on it yesterday and still when i got back it didnt have any juice in it, would this mean i need a new regulator rectifier? oh yeah and the battery is only a few weeks old so i dont think thats going to be the problem.
please help
xxxx
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1991 Yamaha TZR125,
1989 Aprillia AF1 125 , (Full test passed 23/2/09)
1992 Suzuki Bandit 400

[Pete.]

Yes it's the most likely problem. You could fit a different reg/rec it doesn't have to be the same one. I've always fitted Honda ones to Suzukis when they blow. I've used a CB650 one and a superdream both on Suzuki GS models.

If you want to check then put a meter on the battery when the engine's running. It should go up to about 14 volts.
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good