Honda CB (1970s) Thread Type

Depo

New Member
Hey all,

I'm trying to figure out the thread type Honda used on these bikes back in the day. Are the Honda fasteners (I have a 77 400F) JIS type or regular fine thread metric?

I'm trying to replace some of the suspension and brake fasteners and having difficulty finding the genuine Honda fasteners and want to know if I could substitute off the shelf bolts and nuts. Thanks.


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By the seventies I think they were all ISO threads. Sixties was a whole other story though.

Get a thread gauge and see, or simply buy a few M4, M5, M6 bolts and see if the threads are the same as the hardware you want to replace. I suspect that you will be fine.
 
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