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1998 Nissan 90 hp 2 stroke

rl432

New member
I just rebuilt this Nissan 90 hp. Now I am having occasional sputtering issues. This spring the middle plug was fouled out and this weekend the bottom plug fouled out. Both times I changed out the plugs and motor ran with no issues for about another 25 miles. Could this be caused by a faulty CDI Box or are the coil packs going out... Or is this another issue altogether...
 
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