ys80 and os91 feedback? (Full Version)

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splitgear -> ys80 and os91 feedback? (4/3/2002 9:46:19 AM)

Looking into getting a new motor. Anyone have experience with these? Preferences/recommendations-all i know is the recommend gear ratios and needed mods, what about the practical application side? Thanks



GM1 -> ys80 and os91 feedback? (4/3/2002 5:06:24 PM)

I have both. The OS91 makes more raw power but is a little more finicky to set up and run. The YS 80 is a bolt in and go, good power and the same YS reliability we got from the 61s. Use a gear ratio around 7.8-8.2 for the 91 and 8.2-8.5 for the YS. They will work on other ratios but after testing I think these are the best, though others think differently.



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