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Is there a place near you that does rewinding?You might be able to get your bike alternator rewound for more amps, and fit an aftermarket diode pack to handle the increased current.
yea ive gotten that the whole time.. the ONLY reason i want to add an alt.. is to provide some better charging to my battery... duh right? lol. ill put this thread on hold till i get my alt.
I assume you are considering a small 1 wire 30 amp approx output alt? If so ,that's a good choice. I know from a fubar that they will withstand approx 26000 rpm for a short time. LOL!!!!! On my dragster I run an electric shifter. FOr some reason it failed to shift on a run. Datalogger showed almost 13000 engine rpm. Alt was at a 2:1 overdrive. Even on a normal run I'll run 8000 shift rpm so for many years it handled 16000 rpm on a regular basis. What I'm getting at is that, IMO ,you don't need to worry about top speed rpm of the alternator and would be better served concerning yourself with getting an adequate rate of charge at LOW speeds most of all. That's where most of your battery discharge will occur due to lower charging rates from the alt at lower rpms.