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i would guess a 3 blade 17 Pitch at the most.
Try a Yamaha k-17 stainless prop. they seem best on Yammie 90's cause their a semi clever design rather than a full ear prop, and are easier to spin for the 90...if going with a regular 3 blade SS prop, im guessing 15 pitch.
call Powertech propellers and they will set you up...
Last edited by captpn; 02-04-2008 at 07:24 AM.
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