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Old 04-07-2009, 09:58 PM   #1
In The Wind
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Question Alternator output 2007 C50T

On my 2007 C50T, I now have heated handgrips and a heated vest plugin. I am thinking of adding a light bar. I cant find a spec anywhere on the Amp output of the alternator or charging system . Can I upgrade, are they upgradable? Or will find myself beside the road with melted Alternator parts someday.
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Old 04-08-2009, 04:56 AM   #2
seruzawa
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The spec sheet should have the output in watts. Simply divide the watts number by 12 and that will give you the amps.
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Old 04-08-2009, 09:01 PM   #3
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I have looked on line for the past few weeks when i have a chance. Its almost like a hobby. The closest i have found is a C90 with 340W output. Would it be the same for a C50?
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Old 04-09-2009, 08:20 AM   #4
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Quote:
Originally Posted by In The Wind View Post
I have looked on line for the past few weeks when i have a chance. Its almost like a hobby. The closest i have found is a C90 with 340W output. Would it be the same for a C50?
That's a pretty-good assumption - especially if it uses a bored or stroked version of the same engine.

If the bike is EFI - don't forget to account for the current-draw of the fuel pump (might have one even if it isn't FI) and Injectors and ECU, and all the existing lighting.

I'd say you're just-about maxed-out on your available Watts. However, if you remember not to run all your items at once, you'll probably be OK adding the light bar (don't forget to add a switch/relay when installing it).
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Old 04-26-2009, 08:47 PM   #5
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I think I'm OK. My know it all neighbor came in handy. He suggested plug everything in and watch battery voltage at operating rpm. I started the bike with nothing plugged in or turned on, the battery voltage read 12.6V. I went up in revs until I saw a change, at approx. 1300 rpm (aftermarket tach) the voltage went to 14.1V. I plugged in my heated vest, turned on my heated handgrips, turned on the lightbar and 4 way flashers with headlight on highbeam. Same thing happened 14.1V @ 1200-1300 rpm. I revved it up to 4500rpm and no change in voltage. So it appears that there is no obvious strain or scary battery loading characteristics going on. Am I good ? Any comments?
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Old 04-26-2009, 10:07 PM   #6
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With as many accessories as you're using, you might look-into installing one of these two battery gauges: Motorcycle Battery Gauges & Chargers

I've used both the Kuryakyn and the Signal Dynamics, both work really well - you just have to determine if you want a "gas gauge" or a single LED indicator. Both need to be wired on a "switched" 12V source, the SD one requires a small hole drilled into a panel someplace - it comes with a little black-plastic trim ring to hold the LED tight. You hardly notice it when the bike is off.

One thing - your handlebar heaters and vest will draw more power the colder the ambient temps get, so I really, really, really urge you to get SOME kind of monitor-device for your charge system.
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