Powersports Coolant Installation Instructions

Method 1: For machines with no thermostat – uses less Prep Fluid/Coolant

1. Begin with a cold engine.
2. All of the old coolant must be removed from the cooling system. Conventional coolants contain water and water contaminates Evans Powersports Coolant. Don’t flush with water.*
3. Completely drain cooling system and expansion tank according to the owner’s manual. Make sure that ALL coolant is removed from the radiator, engine, hoses, and the expansion tank.
4. Remove a low hose connection, typically at the coolant pump, and blow air through hoses, radiator, and passages to help push old coolant out.
5. Pour a small amount of Evans Waterless Coolant or Evans Prep Fluid into the radiator and in the hose leading into the top of the engine. Drain and blow out passages again with air to remove residual fluid.
6. Close up drains, attach hoses, and fill the system with Evans Coolant. Fill expansion tank to cold line.
7. Dispose of drained fluid responsibly. Treat Evans Prep Fluid and Evans Coolant the same as antifreeze for disposal purposes.

Method 2: For machines with thermostats or with extensive bodywork and difficult to reach components – easier method, but uses more Prep Fluid/Coolant

1. Begin with a cold engine.
2. All of the old coolant must be removed from the cooling system. Conventional coolants contain water and water contaminates Evans Powersports Coolant. Don’t flush with water.*
3. Drain cooling system including expansion tank according to the owner’s manual.
4. Remove a low hose connection, typically at the coolant pump, and blow air in through the radiator or system-fill opening to push out old antifreeze. Do the best you can.
5. Close up drains, and attach hoses if removed and fill system fully with Evans Prep Fluid.
6. Run the machine and warm up enough to open the thermostat and circulate coolant well. Allow engine to cool to relieve any pressure build-up due to water vapor expansion.
7. Drain system and blow out as well as you can again.
8. Close up drains, attach hoses, and fill system with Evans Coolant. Fill expansion tank to cold line. Check fluid level after initial operation.
9. Dispose of drained fluid responsibly. Treat Evans Prep Fluid and Evans Coolant the same as antifreeze for disposal purposes.

*If the system is badly corroded or contaminated with non-coolant products (like rust, oil, dirt, etc.), you may flush with water and use a chemical cooling system cleaner. More care will be needed to ensure that all the water is then fully removed.

Evans Waterless Coolants expand 7% at operating temperature, about the same as antifreeze. If there is no expansion tank on the system, the radiator will purge a small amount upon warm up. Once cooled, this is now the system’s operating level.

If you are unsure that you can perform the service, consult a qualified mechanic.