|
Diesel oil is what I use. Car oils are designed for the modern roller rocker, roller cam engines found in most autos today. Motorcycle oils are meant to deal with wet clutches. Our old school design, scooter engines, need neither of those types of oils.
Diesel oils have to deal with much higher pressures than gas engine oils. Compression ratios are more than twice as high in a diesel, the torque that some diesels create exceeds 1400 lb/ft. The stress this puts on bottom end parts is huge....diesel oil deals with it for hundreds and hundreds of thousands of miles.....sometimes a million miles before overhaul.
Most of today's diesel oils have a, 'SM' or 'SN' rating on the bottle....meaning ok for gas fired engines......look for one that does.....either 15w/40 conventional (my choice)....or 5w/40 synthetic......
Places I use Delvac 15w40 engine oil:
Jonway 150cc scooter...4,444 miles
Cub Cadet LT1050...967.4 hours
!966 Pontiac LeMans....Miles ??
2011 Kioti CK30 Tractor....415 hours
1999 BMW R1200C.....9000 miles
|