AMSOIL Synthetic Advanced Formula SAE 10W-40 (MCF) and SAE 20W-50 (MCV) Motorcycle Oils are premium oils designed for those who demand the absolute best lubrication for their motorcycles. AMSOIL MCF and MCV are the result of extensive research, and they are specially formulated to excel in all areas unique to motorcycles,
including high engine RPM, wet clutch lubrication, extreme pressure regions of gears, and rust common to short drives and storage.
AMSOIL Synthetic Advanced Formula Motorcycle Oils are formulated with new high performance additive technology that provides even greater multi-functional benefits for the special requirements of motorcycle applications. These independent and exclusive new AMSOIL formulations provide second-to-none viscosity protection for hot-running American and foreign motorcycle engines, transmissions and primary chain cases.