Yamaha Yamalube Semi Synthetic Sport Performance 4-Stroke Engine Oil- 1 Gallon, #LUB-10W50-SS-04

Designed from both mineral and synthetic base stocks to provide maximum benefit to all sport applications, this oil is blended to handle the high stress found in competition engines.

• Designed from both mineral and synthetic base stocks to provide maximum benefit to all sport applications
• This oil is blended to handle the high stress found in competition engines
• Exclusive blend minimizes frictional losses while providing critical protection against ring wear and piston scuffing
• Resists thermal breakdown with race-inspired lubrication for riding on the road or in the dirt
• Meets or exceeds the JASO MA requirements for wet clutch operation and gear protection