how to fix no spark outboard

How to diagnose a no spark on an outboard motor

[greerboyproductions]

hey man thank you for this very informative video I'm 99% sure my cdi box is bad I've got two cylinders not firing even with good trigger and I've searched and searched until now

[anunentitledmotivatedmille]

I don't know how to explain it, but for some reason I want to subscribe.

[tannerthompson]

You have some of the best videos out there on this man thank you

[suburban]

really really good information. thank you for posting!

[behappy]

Great video. I have no spark at all. According to my ohm meter, the regulator is bad. Will that cause no spark at every cylinder, or is my trigger likely the problem?

[mcsemyw]

Nice troubleshoot and funny too. Longwinded? Naw. keep it up !

[stevengilliland]

Man this helped me fix my 68 chrystler with no spark to either coil my man !

[bankshot]

Love the content! Not sure where to begin but I’ve been looking forward to firing this old 105 hp Chrysler I recently found[surprisingly clean] but needs some attention.so far, I’ve rigged the ignition switch at the motor to eliminate bad wires and so forth, but still will only run for a brief second on starter fluid and only with the key in the on pos and by jumping the solenoid.Initially, I got spark on all cylinders with an in-line spark tester, but now I don’t seem to be getting spark on any cylinder. Compression is at 145-150psi. Cleaned out carburetors twice. Any tips would be appreciated! I suspect the timing may be off but I will also change the plugs is weekend and go from there since I don’t believe fuel delivery to be the issues since I’ve changed it! Thanks in advance!

[giloquendo]

Great video I have no spark do you have the parts numbers for stator trigger and rectifier? For this motor I have the same one

[giloquendo]

Great video I have the same motor question does the black and yellow cable goes to the rectifier I took the old one out and now I don't know how to connect the cables back

[TheDesertSailor]

fabulous. good back engineering diagnosis. my service peeps still can't find what's giving my 4 stroke Honda 7.5hp an unreliable spark...

[casper]

I'm getting no fire to any plugs on a 1997 Suzuki DT115 with less than a 100 hours on it. Mines turning over but its getting no fire to the plugs, from my understanding of the Factory Manual it could be the Pulsar Coil, the Trigger, the Gear Count Coil, the Stator or the CDI Unit. I wish there was a video on how to test all the different parts to know for sure what to replace.

[giloquendo]

How many cables go connected to the rectifier I can really use your help

[ovovov]

I have a 2002 merc 75 hp 4stroke. only 2 and 4 have sparks on. 1and 3 do not have sparks. I am going to need to replace all the wires and give it another try tomorrow If I can find 804271T in stock with all the dealers here on the island. If not, I will have to wait for the eBay guy to ship to me.... If there is still a problem ( not geting sparks on 1and 3) I will hate to replace the stator and It IS a pain in the ass to get the flywheel nut off( I had to ask to plumber guy to use his ranch where he gets off the 2" pipe off) and then get a KMS tool( $30 )to take the wheel off( I think it is called a flywheel puller). Extended cranking on my bad costed me a $300 starter, another $280 for those two sets of coil wires, and I do not want to spend another $300 on the You video is good information and is helping me to regain my confidence after I lost power on the water last I am from Canada but has not so fluent english writing skills.

[artbentley]

Hi Captain, I have a 79 mercury 115 with no spark. I just got it. The previous owner replaced stator but not sure what else they did. I’m not sure if it’s a bad kill switch, trigger, cdi, coils etc. I see a black wire down by the cdi with tape rapped around it. Do you have a diagram or know where to get one. I’m not good with electric at all but willing to learn.

[thomasarnold]

Really enjoyed this information. How well you explained the wiring diagram. I screwed up and accidentally hook up battery wrong. What should I be looking for? Any help would be greatly appreciated.

[Diego-lext]

I have an early '90's 175HP mercury outboard and one ear broke off the propeller (didn't hit anything) drove it back with alot of vibration for 10miles and suddenly the motor completely stopped. I have no spark anywhere now and motor wont start but turns. I did a visual inspection and no wires broke off. Had a mechanic look at it and he stated it might be a fried ECM, three wires that looked like they melted and or bad coils. (I don't think he did a well Diagnostic on the motor.
While reading through the comments it looks like a bad CDI box, Stator or trigger.
My worst case scenario a bad piston ring fell. I'm not that great with electrical. Any help would be appreciated

[pedromoreno]

Hi, I got 332-7778 cdi switch box for 3 cylinders 2 strokes mercury force outboard 90 hp and I don’t know how to test it or diagnose my cdi switch box using multimeter?

[jdutch]

So I have a Merc 90hp 2002. But it does not have a CDI box. Just the rectifier. Still trying to figure out why no park. If I have no CDI box where do I look for that interchange between Stator and trigger?

[daveg]

Thanks! Please give me your advice. 1985 90hp Evinrude 4 cylinder. Runs rough at idle and low speed. Kicks in at mid to higher speed... One cylinder barely working at idle when plug wire pulled off while running. Things i checked...115 compression...coil swap...plug wire swapped... Fuel pump checked.. carbs swapped (2 double barrel).. sprayed carb cleaner into bad carb throat no effect but kills other side of double carb when sprayed into it.. checked spark with timing light looks like others..ran it with the plug out just blows warm air no water or fuel..plug is never very wet after running just lightly wet.. cleaned the carbs.. still not picking up that weak cylinder. Please let me know what you think. Edit... Ok i switched the power packs no change.. when i spray starting fluid in carb upper and lower it gets boggy.. also bogs when priming bulb or pushing in key for choke.