1984 35hp Merc...no spark

dfrants

Petty Officer 1st Class
Joined
Jul 26, 2008
Messages
368
picked up a 1984 merc 35hp serial no A153391 has no spark. Figured it had to be the CDI so i replaced that and still no spark. whats the next most likely cause? trigger, stator?
 

w2much

Lieutenant
Joined
Jun 22, 2005
Messages
1,276
Before throwing your money at it check all of your grounds. From ignition switch to inside of engine. Check your tether switch, check your neutral switch, your ignition switch. There are more reasons for a no spark condition than the coil, stator, trigger and switchbox. One may save you some money. The test for both the stator and trigger are simple and performed with an inexpensive multimeter. CDI electronics will have the specs for you. Run through the rarher simple procedure before dropping your money on a hunch. You did not leave a model number, is this an electric start , tiller, control model ??
 

dfrants

Petty Officer 1st Class
Joined
Jul 26, 2008
Messages
368
Its a 35EL. Remote electric start. I try using another control box to make sure isn't something with that.
 

w2much

Lieutenant
Joined
Jun 22, 2005
Messages
1,276
Or try not using aconrol box. Just be careful. Post your results .We answered your inquiry.
 
Top