I use Castrol 20W-50, some use Rotella 15W-40, others use MC specific oils. I think you will be fine as long as you do regular oil changes with a good filter. Just make sure whatever oil you use does not have friction modifiers in it.
Georgia, Vermont
1981 KZ550 LTD
1982 KZ1000 LTD
1999 ZG1000 Concours
Greetings from the Peoples Republic of Vermont, home of Ethan Allen, 2 American Presidents, a socialist US Senator and.....Homer & Bart Simpson
