79 cbx alternator rotor diameter.


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bo thomley
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79 cbx alternator rotor diameter.

Post by bo thomley »

Hi,first off I am a noob, to the site and CBX in general.I have a 79 cbx, the charging system wasn't working properly, the rotor ohmed out @ 2.2. I ordered a used 79 cbx rotor from eBay, the rotor I received measures 4",and has an identical shaft, where mine only measures roughly 3 3/8".Did Honda use two different rotors? Any help would be greatly appreciated.

jnnngs
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Re: 79 cbx alternator rotor diameter.

Post by jnnngs »

Hi,

Welcome to the site!

Yes, there are two different alternators - depending on which market the bike was sold into. In Europe, we typically got the smaller alternator than in was standard in the US.

You can tell the difference from the alternator covers:
t_euro_195.jpg
t_us_106.jpg
The first one is the smaller (euro) one, the second is the larger (US) one.

Paul.
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Mouse
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Re: 79 cbx alternator rotor diameter.

Post by Mouse »

:text-welcomewave: to the site Bo.
Canadian Amateur Radio Call sign VE6 VES

bo thomley
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Re: 79 cbx alternator rotor diameter.

Post by bo thomley »

Thanks for the info, so now it's decision time. Do I send my original rotor to be rewound or do I buy a the US spec stator and housing to convert.....

jnnngs
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Re: 79 cbx alternator rotor diameter.

Post by jnnngs »

Bo,

If you decide to convert to the larger (US) alternator, then I'd be interested in your current (euro) one.

Paul.

bo thomley
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Re: 79 cbx alternator rotor diameter.

Post by bo thomley »

We might could work out a trade. If you can provide me a US spec housing and stator(I already have a good us rotor.I will provide you the complete EURO spec alternator,keep in mind the rotor needs rewound

jnnngs
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Re: 79 cbx alternator rotor diameter.

Post by jnnngs »

Bo - PM just sent.

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