Mercury - Tool-timing - 91-889331 Sierra Marine Cooling Components Magnesium is the top choice

Magnesium is the top choice for freshwater because it reacts quickly and pulls corrosion away from the components you need to protect

It is one of those small maintenance items that can save a lot of frustration on the water when the engine needs to idle clean and pull strong

loose seating

Throttle and shift performance are directly influenced by cable condition

Mercury - Tool-timing - 91-889331 Sierra Marine Cooling Components Magnesium is the top choiceTool timing 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.