The billet knob eliminates the Phillips screws that hold traditional engine covers in place, allowing quick and easy hand access to the engine for maintenance/cleaning.
Directly replaces the original steel mounting screws that hold the corroded engine cover in place. It installs in minutes and is a great looking, practical upgrade.
– Quick and easy access to the engine for maintenance/cleaning.
・You can easily dress up the engine room.
・The billet aluminum knob, which can be turned easily by hand, is made of a threaded stainless steel shaft.
[Compatible models]
・All Yamaha marine jet 1.8L HO, SHO, SVHO engines
*If the screw part is loose from the head body, please use an adhesive such as Locktite to adhere it.












