This is a Yamaha 450 EFI dual fan kit for a aftermarket wiring harness setup for key on fan on key off fan off. This kit has one fan setup to run all the time the key is on and the second fan has a

Yamaha 450 EFI 09-13 Dual Fan Kit for aftermarket wiring harness with key on fan on option. This kit has the exhaust fan running all the time and shifter side fan from a coolant line sensor.

Yamaha 450 EFI 09-13 Dual Fan Kit for aftermarket wiring harness with key on fan on option. This kit has the exhaust fan running all the time and shifter side fan from a coolant line sensor.

Yamaha 450 EFI 09-13 Dual Fan Kit for aftermarket wiring harness with key on fan on option. This kit has the exhaust fan running all the time and shifter side fan from a coolant line sensor.

This is our Yamaha 450 EFI 09-Newer aftermarket wiring harness key on fan on single fan coolant line sensor kit for faster dead engine starts.