Yamaha - Head, cylinder with ex valve - 6D8-W1110-20-9S Mercury 75-90-115 Optimax Outboard Parts & Service Kits (0T980000 - 1B417701) ensuring that your engine's timing

ensuring that your engine's timing and accessory systems operate efficiently

and Mercury’s OEM sensor is calibrated for SmartCraft’s expectations

especially since wiring and mounting match the original layout

Non-toxic and biodegradable is a premium grade cleaner for fiberglass

Yamaha - Head, cylinder with ex valve - 6D8-W1110-20-9S Mercury 75-90-115 Optimax Outboard Parts & Service Kits (0T980000 - 1B417701) ensuring that your engine's timing6D8 W1110 20 9S HEAD, CYLINDER WITH EX VALVE 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.