What helix's are these


the 8BV-17604-10-10 should be a 45 helix.

what are these also:
8BV-17604-70-00
8BV-17604-50-00

The 8BV-17604-71-00 should be a 47 helix.
 
these are the only ones I could find in the Tech pages but none match your.... thought the numbers might make sense..... they dont!!! LOL

I dig a little more, I have a couple I want to test but dont know what they are aswell!!!
 
000.jpg


there u go blue the 0 `s have been changed to 1`s
 
cool charts there Rich.Was just looking to see if I could find a helix from a stock sled in the Yamaha fiche for various sleds.Looks like the 51/43 is the only muti helix they have.
 


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