Hello, I have a 1996 Johnson 225 Oceanrunner that stalls at idle and when put in gear. After it stalls it is hard to restart. If I squeeze the primer bulb a few times it starts right up. Once it gets going it runs smoothe however the alarm beeps at approx 4800 rpms ( I've learned that it is a low oil beep). Could this be the vro/oms pump? Comp is good, filters and plugs have been changed.