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Author Topic: What are the differences of the tach for cb750?  (Read 1325 times)

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Offline hazardus320

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What are the differences of the tach for cb750?
« on: December 08, 2015, 01:56:33 PM »
I have been looking to add a tach to my hondamatic and i was curious about the differences in the tachs on the cb750 models.  I see on some parts websites that they have the cables available for:

1)  CB750F ('77-'78)
2)  CB750K ('77-'78) + CB750F ('75-'76)
3)  CB750K ('69-'76)

From the 3 cables available for the SOHC 750's, it leads me to believe there could be a difference in the tachs as well.  The only real concerns to me would be:

1)  Length
2)  Connectors

If anyone has any insight on this please
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Offline firebane

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Re: What are the differences of the tach for cb750?
« Reply #1 on: December 08, 2015, 01:58:46 PM »
One difference I have come across is the F models have a higher redline but that is all I can help with.
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Offline Jerry Rxman Griffin aka MuthaF'er

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Re: What are the differences of the tach for cb750?
« Reply #2 on: December 08, 2015, 02:19:16 PM »
Tachs are tachs. The differences are mainly in the faces. Colors, redlines, indicator lights in earlier versions. The main difference in cables is the length. 
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As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline hazardus320

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Re: What are the differences of the tach for cb750?
« Reply #3 on: December 08, 2015, 03:28:47 PM »
Awesome, so the connectors between the models are identical / play nice with each other then?

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Offline 754

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Re: What are the differences of the tach for cb750?
« Reply #4 on: December 08, 2015, 04:12:26 PM »
Does your cam have the tach drive teeth?
Do you have a valve cover with tach drive installed ?
Far as I know the drive is not in your cover....
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Offline hazardus320

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Re: What are the differences of the tach for cb750?
« Reply #5 on: December 08, 2015, 06:05:01 PM »
I have the plug currently, cam has the teeth.   I need the drive and gasket for that, there are many on flea Bay though.

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Offline hazardus320

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Re: What are the differences of the tach for cb750?
« Reply #6 on: December 09, 2015, 09:42:43 AM »
That being said, does anyone know what cable / length would be appropriate?  If not, i can trial and error it, a $12 cable isn't a big hit on the wallet.
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