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Yamaha 621F valves
http://forums.chisham.com/viewtopic.php?f=2&t=7847
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Posted:
Fri May 06, 2005 7:44 am
by
Alex C
My Yamaha 621's First valve is a "1."
Posted:
Mon May 09, 2005 3:50 am
by
Dylan King
1,2,3,4 on mine.