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I have a full race engine, 686 CP12.5 Piston, Custom head, Custom cams, Custom fuel injection.( 2x 45mm Throttlebodies)

Wwhat is the pros and cons of taking the thermostat out?
 

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Keep the thermostat. It holds the coolant in the radiator a little longer, so you get a little less flow, but the incoming coolant is cooler.
 

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Pro: immeasureable power increase from drop in resistance

Con: difficulty getting bike up to operating temperatures and the resulting damage that ensues from running her WO when cold.
 
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