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When it comes to ensuring that your engine is in good condition, using an effective coolant will significantly help by regulating temperature throughout the engine. Waterless coolant is actually in liquid form but doesn’t contain any water content. Water content in many coolants in fact provides a single positive feature – it’s ultimately serves as a highly reliable heat conductor. However, coolants that contain water also provide various disadvantages such as having relatively lower boiling point.

Another disadvantage of water-based coolant is that, it promotes rapid rusting of bike’s components and potentially freezing during lower temperature conditions. In most cases, manufacturers are adding rust inhibitors along with other chemicals in order to support in lubricating the water pump while preventing rust. Such chemicals have limited effectiveness as time passes by, so it’s still important that bike owners drain and replace coolants based on documented service intervals. In fact, many companies are investing money just to come up with efficient ways in dealing with inadequacies caused by any water-based coolant, and the additional maintenance consequences.
 

  Waterless coolant on Wheeler Dealers
 

For instance, Evans is one of the popular waterless coolant manufacturers that offer engine cooling products with more improved coolants to effectively help people in overcoming engine problems through eliminating water. In fact, the worst limitation that water causes on any rider’s motorbike is the lower boiling point of water, because coolant only works efficiently on liquid state. Motorcycles also have a limited frontal area for mounting radiators and cooling devices due the front wheel and front mudguard disrupting the airflow. Motorcycle radiators also have to be mounted close to the engine which also reduces their effectiveness to draw cool air on the cooling fins of the radiator.

Also with the lack of thermal mass in gas water vapor, it provides an inefficient way in working as an engine coolant. For example, your cold-weather jacket has a certain amount of air pockets which are produced by the trapped body heat through insulation, which is good for keeping you warm in winter but not so good for keeping your engine cool. Within your motorcycle’s engine bubbles will form in small pockets near the cylinders liners, which is sometimes referred to as cavitation. 
 


 
When the water-based coolant’s limitations are combined with the motorcycle engine running at extremely high temperature, the result would be engine damage due to higher internal temperature and coolant evaporation. However, the advantage of using waterless coolant is that, it won’t easily boil until there is higher temperature for more effective heat transfer. This is mainly because of the liquid state that remains while keeping in contact with engine’s hot metal surface. Waterless coolants also put less overall strain on the cooling system because it will not be evaporating, and therefor will not force the cooling system to be under additional pressure.
 
Waterless coolant on Jay Leno’s Garage

 
Changing from water-based coolant to waterless cooling system is not that difficult. Essentially, you have to drain your current coolant and replace it with prep liquid while running your motorcycle’s engine, allowing the prep fluid to drain out and reinserted within the cooling system until the cooling system has been flushed. Once you have successfully done this process, you can now simply place your waterless coolant within the system and add it gradually.
On some motorcycles, you need to “bleed” the coolant hoses in order to prevent the air from coming out of your engine system, and is worth the effort to avoid overflow issues while the coolant is expanding.


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