Jet kits come with all the hardware you need to convert your motor to a jet. (You will need to use the water pump off of your existing lower unit.)
Notes about this kit:
4 stroke motors need pressure relief hole in cooling pump housing. Instructions in kit.
Add $160 for 6 1/8 stainless steel impeller upgrade #1737.
For use on – F50HP, F55HP, F60HP Yamaha 4 Stroke Motors