Have a 98 carb 150 V-Max original plugs were br7hs NGK,changed them last season with br7hs-001...runs pretty good but low idle could be a little smoother...the 001 plugs are resistor,I think ...someone said the resistors don't run as well at low idle.....also wondered if resistor plugs had much of an effect on sonar...let me know if anyone has any specific gaps,and plug types on these engines that call for the br7hs....thanks
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