Best Motorcycle Coolants: Keep Your Engine Cool
These top motorcycle coolants will keep your engine running efficiently
This nontoxic coolant is biodegradable and phosphate-free. It keeps boil-over temperatures to 256 degrees Fahrenheit or less and freeze-up protection to minus 26 degrees Fahrenheit.
It contains propylene glycol, which eliminates water pump gasket and seal failures. It also better reduces operating temperatures in high load and high-stress conditions compared to standard coolants.
You may not notice a big difference in temperature drop or an increase in performance. The bottle is also on the small side.
This ready-to-use 50/50 blend of ethylene glycol-based antifreeze and deionized water provides rust and corrosion protection for aluminum and magnesium motorcycle and ATV liquid-cooled engines.
It protects your engine from freezing up in temperatures as low as negative 34 degrees Fahrenheit. It features antifoam agents to reduce water pump cavitation and increase cooling capacity.
Ethylene glycol is toxic. You may not notice any difference in temperature or performance. Also, the bottle is small.
This genuine OEM Honda 50/50 blend is ready to use on any motorcycle, ATV, UTV, or snowmobile.
It's very high quality, and it's already premixed, so you just open and pour it. Overall, it works as advertised and expected.
The biggest drawback is it's a little expensive for what you get. It's also geared toward Honda motorcycles.