kmb1966 wrote:
My Onan Gold Marquis 7000 was serviced perfectly every time on schedule mostly by Onan dealers (oil, filter, airfilter, fuel filter, adjustments, exercised every 2 weeks for 30 minutes). Yet constantly had problems with it. New heads, broken rocker arms, intake manifold, carbuerator problems, fuel pump problems. Finally gave up at 750 hours and bought a new one. Wasn't gonna put another $1500 into that serial number. Replaced it with Onan 5500 hoping to have better success this one. perhaps just a lemon.
Was your Marquis Gold a newer HGJ 2880 RPM series, or the older NHM 1800 RPM series. The lower RPM NHM's have generally been pretty bullet proof...