evinrune spark problem

tad7777

Seaman Apprentice
Joined
Jul 20, 2003
Messages
49
1970 40 h.p. twin, two plugs ,one carb, it is getting spark to one plug fine,,,but the other plug,,it sparks then gets weaker ,then stops then starts getting stronger again ,,so it is getting weak spark to one plug,,,i checked the spark plug wire,,it seems ok,,, is this the coil or points??? tad
 

OBJ

Supreme Mariner
Joined
Dec 27, 2002
Messages
10,161
Re: evinrune spark problem

Tad....swap the ignition coils and see if the problem changes cylinders. If it does, replace the coil.<br /><br />If not, go to the points.<br /><br />Keep us posted.
 
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