Topic: What are the differences of the tach for cb750?

[hazardus320]

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

[firebane]

One difference I have come across is the F models have a higher redline but that is all I can help with.

[Jerry Rxman Griffin aka MuthaF'er]

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. 

[hazardus320]

Awesome, so the connectors between the models are identical / play nice with each other then?

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[754]

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....

[hazardus320]

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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[hazardus320]

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.