best spark plugs for 1980 18 hp merc for trolling
Contrary to what some manufacturers say about spark plugs, my testing shows performance really depends on choosing the right one for your trolling motor. I took several options out on the water, and the best for my 1980 18 hp Merc turned out to be the Quicksilver NGK BU8H Spark Plug 1-Pack. It fired smoothly … Read more