The left fan wired to the battery and on a manual handlebar switch to turn the fan on and off, the right fan is wired to run all the time with the factory key switch. Etc.

The left fan wired to the battery with a lower temp fan sensor to automatically turn this fan on and off as needed. The right fan is wired to run all the time once the key is in the on position. Etc

Tthe right fan wired into the factory harness fan plug and powers a new lower temp fan sensor to automatically turn on and off.the fan. The left fan is powered off the battery Etc.

Designed to have the small fan running all the time while the motor is running off a handlebar switch to manually turn it on and off to remove the exhaust header heat away from the coil.

Super Mini Big Single Fan Kit with 440 CFM. This kit comes with the fan and a temp sensor that threads right into the Yamaha 450 Carb model radiator and wiring harness, battery not included.