2001 sea doo gtx rfi i bought ski with 44 hrs now 52 hrs in that time have went through way to many plugs probably 5 sets had it at the shop they said clogged fuel injectors replaced at just over $200 When i bought i drained fuel tank added stabil and fuel inj. cleaner and octane boost with 87 octane fuel is there any adjustment on oil injection. this is off the wall but what about gas to the oil tank to thin out the oil.