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    NGK BUHW 2622 spark plug replacement?

    I own a 1987 Mercury 115HP in-line six-cylinder 2-stroke outboard (have owned it since new). I change spark plugs every two years just to keep it running strong. I have now found out that NGK 2622 BUHW spark plugs that I have run all these years are no longer available and would like to find...
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    1987 115 2-stroke in-line six surging at higher RPM?

    My old faithful one owner 1987 Mercury 115HP inline six seems to be starving for fuel at higher rpm's. The motor starts right up and idles smoothly without any missings and no fuel leaks. Once the throttle is opened it will immediately jump on plane and run well at 5000 RPMs for a couple of...
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