i have a 2767 Carver with twin 4.3L Mercs. - Alpaha One outdrive.
Last year Starboard Engine would not hit rpm range - 4400-4800 - (i never push more than 4200 but maxed at 2500 Rs), cleaned carb (4B QuadraJet), achieved RPMs, got on plane, all good for season.
This year same thing happened to...