Did an engine swap for a Yamaha Apex motor on my RZR and I would like to test the cooling flow before firing up the motor.
Is it possible to check the coolint flow on a Apex motor without running the engine using an external electric water pump? I have an Apex motor that had cooling issues that caused a blown head gasket and after decking the head which warped when the cylinder head gasket failed I want to make sure that the coolint is circulating properly before firing up the new motor. Have this motor in a side by side which has dual radiators and I was planning to add a external water pump to insure that cooling system is able to handle the amount of plumbing involved with dual radiators
Utah RZR Rentals

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