FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumGeneral Tuning: Tuning issuesLoss of rpmPlease Login or Register to create posts and topics.Loss of rpmjmoney707@jmoney7078 PostsMembers#1 · June 18, 2019, 3:32 pmQuote from jmoney707 on June 18, 2019, 3:32 pmLast season boat was turning 5500 rpm wot now only doing 4300 and still running great but hard to start and dies idling at times Last season boat was turning 5500 rpm wot now only doing 4300 and still running great but hard to start and dies idling at times Post Reply: Loss of rpm Cancel