Re: Yamaha 621 F - 5th Valve Placement?


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Posted by tubagoo on June 16, 2000 at 07:39:09:

In Reply to: Yamaha 621 F - 5th Valve Placement? posted by Larry Z. on June 16, 2000 at 04:57:49:

I'm not sure of the configuration of your horn, but many 5th valves are added right after the main tuning slide on front action horns. this seems to be the easiest for mechanical reasons leaving you with a thumb trigger.


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