Spectro 4 is formulated with high paraf-finic-petroleum base stocks, special shear-stable polymers, and the most advanced detergent-dispersant-anti-wear additive package available. Keeps motorcycle crankcases clean. Prolongs engine and transmission life. Provides smooth and quiet shifting. Exceeds all manufacturers' warranty requirements. Recommended for use in all four-stroke motorcycles. Meets A.P.I. SF/SG quality requirements. Meets JASO MA requirements.
