Owen hill Posted August 29, 2019 Report Share Posted August 29, 2019 I have a 1999 Yamaha banshee 4 mil with fmf gold series with turbine core pipes she is fully stock other than pipes I’m wondering how much hp it is running. Quote Link to comment Share on other sites More sharing options...
gusto Posted August 29, 2019 Report Share Posted August 29, 2019 (edited) 4 mil stock cylinder? Ported? Who built it? Edited August 29, 2019 by gusto Quote Link to comment Share on other sites More sharing options...
Ayesully810 Posted August 29, 2019 Report Share Posted August 29, 2019 anywhere between 40-60 hp Quote Link to comment Share on other sites More sharing options...
SKEETER Posted August 30, 2019 Report Share Posted August 30, 2019 That's a solid 94-97.3hp build Quote Link to comment Share on other sites More sharing options...
Burt Reynolds Posted July 10, 2020 Report Share Posted July 10, 2020 13hp Quote Link to comment Share on other sites More sharing options...
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