mine likes to start with trim at half and then i can lower it but mine has 3 exits for exhaust and trimmed all the way down covers all 3 trim at half lets one breathe and it fires ip
got a 96 javlin from my father in law he just had power head redone, boat infested with termites, condition wostened after having for only 6 months boat ran great took it out sevral times 20 miles a time ran no problems got another boat and decided to swap motors after the new boat started...