Mercury - Piston Assembly - Standard Size - Fits 30 Jet/40/45/50 HP In-Line Outboards - 780-9229A7 Yamaha F250 3.3L V6 Outboard Parts & Service Kits for 2009 to 2010 Models Screen-water

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A: Installation can typically be completed by experienced technicians or mechanically inclined owners

Just replace each wire one at a time to maintain correct routing

you’d probably tell them the same thing: use the parts Mercury built for your motor

The copper core ensures consistent heat management

Mercury - Piston Assembly - Standard Size - Fits 30 Jet/40/45/50 HP In-Line Outboards - 780-9229A7 Yamaha F250 3.3L V6 Outboard Parts & Service Kits for 2009 to 2010 Models Screen-waterStandard Size. Includes rings and wrist pin. Fits 30 Jet 40 45 50 hp. in line outboards. See chart for specific engine applications 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.