Yamaha - Head, cylinder 1 - 69M-E1111-01-1S Mercury-150HP-Verado-4-CYL-2019 Complete Kit: Includes four plug

Complete Kit: Includes four plug wires

This product has been superseded by: 880194T05

The prop nut and fastener are sold separately

If the treated area will not be painted afterwards

I’ve seen engines develop odd noises or lose smooth operation just from gear wear that went unnoticed

Yamaha - Head, cylinder 1 - 69M-E1111-01-1S Mercury-150HP-Verado-4-CYL-2019 Complete Kit: Includes four plug69M E1111 01 1S HEAD, CYLINDER 1 WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings. ca. gov.