What helix's are these

[bluemonster1]

8bv-17604-10-00
8bv-17604-30-00
8bv-17604-90-00

 

[bluemonster1]

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.

 

[thstorms]

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!!!

 

[YA*AM*A*HEAD]

604-31 is a 43 degree

 

[YA*AM*A*HEAD]

the 90 is for a 700xtcb dont say angle tho

 

[YA*AM*A*HEAD]

there u go blue the 0 `s have been changed to 1`s

 

[bluemonster1]

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.