Yeah not sure mines got stock ratio straight cut gears so tuff to say then. Beens you have a 6 speed you can probably gear it lower than mine but the higher the better if the powers there . When i run threw the 1/8 right now my quads exactly wide open. May go with higher gearing soon quad has the power to pull more. When i add the NOS i know i'll go to maybe a 19 in the front or 38 in the rear.