Oil pump and good oil.
There is always the possibility that your previous problems were not from a lack of oil, but a lack of high-quality oil.
I use Blendzall Ultra 455. It is a Castor-based injector/premix oil made in the US. Smells absolutely incredible, also...
_________________
Paul Herr
'88 FZR4/GSXR/YZF Frankenbike
MY BIKE PICS