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A really dumb question - 6 or 12 volt?

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Fogcity123
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A really dumb question - 6 or 12 volt?

Post by Fogcity123 » Tue Oct 15, 2013 9:24 am

It's a '65 305 and I'm wondering how to tell if it takes a 6 or 12 volt battery. There's a 6 volt in there now (im guessing) because it's small and swimming in the battery tray. Under the opposite side cover, the prominent part (yes, I'm dumb and don't know what this part is) that has a black wire attached to one end and a green attached to the other, it has the marking "12 volt" imprinted on it. Would lead me to think the bike takes a 12 volt battery? That being said, the (assuming) 6 volt battery in there now does the job of running the lights and cranking the engine.
Thanks.

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G-Man
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Post by G-Man » Tue Oct 15, 2013 10:54 am

All of the Dreams of that type run on 12 volts.

Please put your location in your profile and post some pics of your project.

The first will flush out helpful folks in your area and the second will help those of us from further afield assist you... :-)

G
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

OldStan
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Post by OldStan » Wed Oct 16, 2013 1:21 pm

If it's cranking the engine, it's most likely a 12 volt you have in there. A voltmeter is the best way to check, but you if you can see the cells, a 12 volt will have 6 (2 volts per cell.) The size has nothing to do with the voltage. I don't think they currently make one that fits the tray, although you might find a NOS that will. For this reason many bikes have one's that don't fit, but will do the job.
63 CA78

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