Set of 4 Genuine Pro Honda factory GN4 4-Stroke 10W-40 SJ motorcycle oils. This oil is specially formulated for motorcycles and it works well with our vintage wet-clutch Honda's! "Honda set the standard for motorcycle oil when it introduced GN4 way back in 1975. We selected the highest-quality base stocks and created an additive package specifically designed for the unique requirements of motorcycle and ATV engines. Constant testing and development give today's GN4 even better shear resistance, viscosity stability and cleanliness to meet the requirements and stresses of a new era of engine technology." 32 fl. oz. / 1 Quart / 946 ml Honda OEM Part Number: 08C35-A141M02