Semi-synthetic, ester based motorcycle oil specifically formulated for V-Twin enginesAdvanced technology lowers operating temperatures, reduces wear, increases film strength and offers extended protectionAdvanced polymer system resists mechanical shearing and heat breakdown of the oil offering unsurpassed viscosity retentionSuperior additive package keeps engines clean, protects against sludge and allows for trouble-free operationMeets all warranty requirements for Harley- Davison engines and does not void new motorcycle warranties.