10 Best Motorcycle Coolant of December 2025

• Maxima Coolanol is a ready-to-use 50/50 blend of premium quality ethylene glycol based antifreeze 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 Degree Fahrenheit
• Coolanol also raises your cooling systems boiling point to 265 Degree Fahrenheit with a 15 pound radiator cap
• This extremely low-silicate fluid is ideally suited for all motorcycle applications

Maxima

• PCT additive package maintains engine temperature to develop maximum horsepower
• Reduces operating temperatures faster than other coolants
• Meets or exceeds all OEM and appropriate ASTM specs
• Formulated to seal pinhole leaks or fissures
• Non-toxic - Does not contain ethylene glycol

STAR BRITE

• Provides protection down to -34 degree fahrenheit
• Helps prevent rust and corrosion
• A patented organic acid corrosion inhibitor package to provide extended engine protection against rust and corrosion
• Contains 30 – 50 ppm of denatonium benzoate as a bittering agent

Zerex

• Maxima Engine Cool-Aide is formulated to reduce engine temperatures and provides significantly better contact on heated surfaces allowing for greater and more efficient heat transfer
• Cool-Aide protects against rust and corrosion plus it mixes with water and antifreeze
• 100 percent Biodegradable in its unused form, Cool-Aide is for race use and does not offer freeze protection
• Approved for race use on paved surfaces
• Glycol, Nitrate, Amine, Borax Free!

Maxima

• Made in the USA
• Ready to use. No water needed
• Reduced operating temperatures regardless of the terrain you tackle
• Proven to reduce operating temperatures

CycleLogic

• For ease of use, Aluma-Cool is pre-diluted
• Do not add water

Kawasaki

• Newer formula
• 50/50 blend ready to use
• Genuine OEM Honda
• Use for any motorcycle, ATV, UTV, snowmobile, etc.

Honda

• Extended life formulation 5 years/60,000 miles
• Better cooling performance
• Performance under extreme operating conditions -34º to 228ºF
• Pre-mixed DO NOT add water
• Contains NO silcate and borates

Honda

• Does not contain Ethylene Glycol
• Does not contain a bittering agent
• Formulated with Propylene Glycol

Engine Ice

• Genuine OEM - direct fit
• Provides quality engine effectiveness
• BMW performance

BMW