Maxima Racing Oils 30-05901 10w40 V-Twin Mineral Engine Oil - 32 fl. oz. Maxima V-Twin Mineral is a high-quality, mineral based motorcycle oil specifically formulated for V-Twin engines An advanced polymer system resists mechanical shearing and heat breakdown of the oil offering unsurpassed viscosity retention V-Twin Mineral is engineered with industry leading anti-wear and extreme pressure additives to protect critical engine components Superior additive package keeps engines clean, protects against sludge and allows for trouble-free operation Available in 50wt, 60wt, 70wt, 10w40, 20w50, & 25w60