Just bought a used bought (private owner) it has a 90hp vro 1988 johnson and had it to the lake 1st time this year and problems are as follows Had a little trouble getting started, once started was missing and wanted to stahl unless adding slight throttle, said what the Hell maybe it'll clear up idled to behind breakwall and slowly throttled to WOT the boat barely got up on plane (after like a minute of WOT) once planed out seemed like it was slowly losing power so backed off quickly and stahl..Motor was hard to start again cranking like an old beat up pickup finally restarted still running poorly tried to open it up again and had almost no power than buzzer started going off kind of speratically wasn't constant at this point had good water stream from pee hole any throttle alarm got louder and more constant and boat would stahl....idling back to dock no alarm if kept at low throttle (no wake speed) pulled the boat got home.....Checked compression had 118-120 per cylinder, pulled plugs looked ok had brother crank while looking at spark from plug to bolt on engine block looked evenly firey on all plugs.....IM LOST PLEASE HELP ME. Boats an 18 ft glass center console. ANY HELP GREATLY APPRECIATED