Maxima Pro Plus Engine Oil Full-synthetic, ester-fortified 4-stroke engine oil designed to ensure optimum protection, peak performance and positive clutch feel. Surface-active, oxidatively-stable formulation provides excellent film thickness while maintaining viscosity across all operating temperatures. Advanced, proprietary additive system keeps your engine running clean, trouble-free and extends the life of the machine. Features Ester-fortified, 100 synthetic 4T engine oil Balanced additive system minimizes engine deposits while protecting critical engine, transmission and clutch components Designed to prolong wet clutch life and offers excellent feel Next generation additives protect against wear and deposits Meets or exceeds Jaso Ma2/Api SL