Honda-SOHC
Other Stuff => Misc / Open => Topic started by: AshimotoK0 on April 25, 2014, 12:24:32 PM
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All my Honda manuals from 60/70's talk about Service bulletin No. 004 regarding change to ISO threads in 1967.
Someone on SOHC4 US site pointed me here which looks like the same thing.
http://forums.sohc4.net/index.php?action=dlattach;topic=136711.0;attach=256851
Cheers ....AshD