Maxima V-Twin Synthetic Primary OilFull synthetic, ester-based motorcycle gear oil formulated specifically for use in high performance V-Twin transmissions and primary chain cases. Surface-active, oxidatively stable formulation maintains excellent film thickness and viscosity stability across all operating temperatures for maximum chain and gear protection. Advanced formula ensures optimal clutch engagement, prevents slippage and minimizes wear.Features: Formulated for use in high performance V-Twin transmissions and primary chain cases Designed for all 1984 and newer models with wet diaphragm spring clutches Shear-stable formula provides superior protection from wear, pitting and spalling Ensures optimal clutch engagement, prevents slippage and minimizes wear Extends chain life by minimizing stretch and wear