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1990 90 HP COULD SPARK BE WEEK

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ROB RAINIER

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I HAVE A 1990 90 HP JOHNSON AN

I HAVE A 1990 90 HP JOHNSON AND ONE OF THE CYLINDERS IS NOT FIRING AT IDLE . I CHECKED FOR SPARK AND THERE IS SPARK BUT COULD IT BE TOO WEEK TO FIRE PLUG ?
 
"The spark MUST jump a gap of

"The spark MUST jump a gap of 7/16" or better,best do a compression check on the motor."
 
THANKS NOT-A-STUDENT IVE DONE

THANKS NOT-A-STUDENT IVE DONE THAT AND THE COMPRESSION IS 110 . I'M LEANING TOWARDS THE COIL BECOUSE THE SPARK IS A WHITE SPARK .
 
So swap a coil from another cy

So swap a coil from another cylinder. Testing is the way to go!
 
"YEAH I'LL TRY THAT . I DI

"YEAH I'LL TRY THAT . I DIDNT WANT TO TAKE A CHANCE AND BURN ANOTHER ONE OUT , THANKS AGAIN ."
 
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