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.

Yamaha 450 EFI 14-Newer Big Fan Kit for stock wiring harness. 440 CFM

Yamaha 450 EFI 14-Newer Big Single Fan Kit for aftermarket key on fan on wiring harness.

Yamaha 450 EFI 14-Newer Dual Fan Kit With our coolant line sensor holder setup for the Trail Tech TTO sensor. This kit is designed to work with the stock wiring harness. 684 combined CFM.

Yamaha 450 EFI 09-13 Dual Fan Kit for aftermarket wiring harness set up for key on fan on. This fan kit is best for MX, TT, Dune riding and Desert racing where you have a live engine start and both fa