Ok I Have A 88 90hp Johnson V4 Two Stroke-first Time Out Ran Like Hell So This Is What I Have Done So Far-removed Vro It Had A Problem Still Not Running Good (on Muffs) Drained Fuel Tank And Added Fresh Shell 87 W/amsoil Synthetic Premix Still Runs Bad Changed All Four Coils New Ngk Br7hs Plugs (gapped Properly) And Factory Johnson Wires On Muffs Has Good Throttle Response But At 1500 Or Lower Has Bad Misfire And Occasionally Is Stahling Will Cough Real Bad Before Stahl......anyone Have Any Ideas Where To Go Next....by The Way 119-120 Psi On All Four Cyl