Maxima Coolanol is a ready-to-use 50/50 blend of premium quality anti-freeze and deionized water to provide optimum rust and corrosion protection for all aluminum and magnesium motorcycle and ATV liquid cooled engines. Coolanol also contains anti-foam agents to reduce water pump cavitation and increase cooling capacity. Coolanol 50/50 blend protects from freeze-ups in winter down to -34?F. Coolanol also raises your cooling systems boiling point to 265?F with a 15 lb. radiator cap. This extremely low-silicate fluid is ideally suited for all motorcycle applications.