Rotax gearing for Colorado tracksHome › Forums › New to Karting › Rotax gearing for Colorado tracksThis topic has 1 reply, 2 voices, and was last updated 9 years, 10 months ago by Greg Welch.Viewing 1 post (of 1 total)AuthorPosts July 18, 2016 at 5:27 pm #67952 Greg WelchParticipantFor masters:+/- 1-2 teeth for each track, this will get it close.IMI: 13/79 Centennial: 12/79 Bandimere: 12/81 PPIR: Unknown SBR: 11/80 GJMS: 12/78AuthorPostsViewing 1 post (of 1 total)You must be logged in to reply to this topic.Log In Username: Password: Keep me signed inLog In