EVINRUDE 140 1977 STILL NO FIRE

[WOODMASTER67]

I REPLACED POWER PAK AND RULED OUT IGNITION STILL NO FIRE CLEANED ALL CONECTIONS SHOP MANUAL WANTS ME TO TEST SENSOR COILS AND CHARGE COILS TIMER BASE ETC USING A S80 NEON TEST KIT CAN ANYONE HELP ME FIND ONE PLEASE?

 

[breezland]

Re: EVINRUDE 140 1977 STILL NO FIRE

i had a problem on a 1979 v4 115 not sure if they are that simular but after many months of headscratching i replaced the rectifier, stator and power pak and that did the trick for me.

 

[Hooty]

Re: EVINRUDE 140 1977 STILL NO FIRE

You can get the S80 Neon Tester here. You can also test those coils using a Peak Reading DVA Meter.<br /><br /> Stevens Instruments <br /><br />c/6<br /><br />Hooty

 

[WOODMASTER67]

Re: EVINRUDE 140 1977 STILL NO FIRE

RECTIFIER HUH I THOUGHT THAT WAS PART OF THE CHARGING SYSTEM DOES THAT HAVE ANYTHING TO DO WITH THE FIRE? I REPLACED THE PACK ALREADY..IS THERE ANY VISUAL EVIDENCE OF THE STATOR OR ANYTHING ELSE BEING BAD...THANX SOO MUCH FOR YOU HELP<br /><br /> THANX HOOTY I APPRICIATE IT

 

[breezland]

Re: EVINRUDE 140 1977 STILL NO FIRE

the stator i had showed signs of the insulation melting. it looked like caramel melting down on the block. i really do not know why but the bad rectifer made the stator go bad and that made the power pack go bad. I sure do not know as much as these other guys but i spent monthts checking everyother thing, carbs, gas, gas lines and . do what ever hooty says he know it all and helped me a lot.

 

[Walker]

Re: EVINRUDE 140 1977 STILL NO FIRE

Robb, unplug the main harness(the big red plug) then jump from your battery straight to the starter soleniod and crank the motor. Check for fire while cranking.

 

[wilde1j]

Re: EVINRUDE 140 1977 STILL NO FIRE

A failed rectifier, as long as everything else is OK, will not prevent a motor from running. I had a motor with intermittant rectifier problems that ran fine for almost a year before I replaced it. The only problem was a discharged battery after every trip!

 

[tooeazy]

Re: EVINRUDE 140 1977 STILL NO FIRE

ive seen power pack bad out of the box, twice

 

[Hooty]

Re: EVINRUDE 140 1977 STILL NO FIRE

A bad rectifier might effect the way the engine runs. To eliminate it as a problem, just disconnect it and see if you have spark. If not, hook it back up.<br /><br />c/6<br /><br />Hooty

 

[roj]

Re: EVINRUDE 140 1977 STILL NO FIRE

I had a similar prob with my 75 115. Replaced pac- stator- nothing- then wiring harness and bingo. BTW I had recieved a bad pac too.

 

[WOODMASTER67]

Re: EVINRUDE 140 1977 STILL NO FIRE

thanx for all the helpful information guys i do apologize for posting the same topic 3 times instead of continuation but just got a heads up also sorry about the caps not trying to be rude just learning here..great site..anyway i will try all the feedback solutions i got here and will be back thanx again all.

 

[WOODMASTER67]

Re: EVINRUDE 140 1977 STILL NO FIRE

walker wouldnt taking the ignition wire off the power pak and jump trigger starting eliminate the harness or no?

 

[myles carey]

Re: EVINRUDE 140 1977 STILL NO FIRE

If your not getting spark at any cylinder, check the wire that is the kill system.black and yellow I believe,check the ignition system for continuity one wire at a time.yes eliminate the ignition switch from the equation by unpluging the main harness.

 

[DJ]

Re: EVINRUDE 140 1977 STILL NO FIRE

Robb,<br /><br />Make sure the ignition fuse isn't blown. It's located just to the rear and top of the starter. It's in a connector that looks like a regular barrel type wire connector.

 

[WOODMASTER67]

Re: EVINRUDE 140 1977 STILL NO FIRE

i was just on the phone with the previous boat owner and this is what i found out.1 or 2 times the motor wouldnt start and he said he shook the wire harness near the engine and bingo it started.but my question is if i removed the yellow and black wire from the power pak and jumped the solenoid if it was the harness would this method rule it out because it does bypass the ignition but maybe it doesnt bypass something else...thanx

 

[DJ]

Re: EVINRUDE 140 1977 STILL NO FIRE

robb,<br /><br />That is useful information. You have a poor connection somewhere or an intermittant open in a wire.<br /><br />You need to start peeling back tape and closely scrutinizing each and every wire. Don't trust a connection that "looks" OK.

 

[Walker]

Re: EVINRUDE 140 1977 STILL NO FIRE

Unplug the big red connector first. If it fires then your problem is forward of the connector. Just disconnecting the kill circuit does not totally eliminate the harness.

 

[WOODMASTER67]

Re: EVINRUDE 140 1977 STILL NO FIRE

ok again thanx for all the help guys i disconnected rectifier no change if i diconnect red harness connector what do i do run a hot lead direct from battery to hot side solenoid? i found a spark short the red starter wire was arching out on one of the metal harness wire holders. fixed still no fire.i did however find a broken wire on a unit possible voltage regulator not sure has two wires to a connector with fuse link going to the terminal block this is the first thing i noticed when the problem arose i ran a wire from the broken piece to the conector no change this part has numbers on it but my evinrude parts guy dont know what it is its metal cased about 3 1/2 inches long 2 inches wide with like a wax coating on the back where wires going into it kinda like a coil.mounted to the block on a metal bracket possible aftermarket # are 511404 d1-2 bringing this part to another dealer now figured i would bring all the people that were helping me up to date when i win the lottery tonight i will be keeping you's in mind...thanx

 

[Walker]

Re: EVINRUDE 140 1977 STILL NO FIRE

You don't have to run any hot wires after disconnecting big red plug. Engine will get ignition power from stator. If you get the motor started lick this you will either have to reconnect the plug or try to choke the motor down to kill it.

 

[WOODMASTER67]

Re: EVINRUDE 140 1977 STILL NO FIRE

just got back from another dealer mechanic he was very nice and helpful a first around my area it is a voltage regulater but now my question is with this will this not connected will that cause no fire i dont think so. with this not connected can it short anything out pak,etc because thew first dealer said its some aftermarket thing i hooked new pak up without it.taking and trying all suggestions until i resolve this problem,thanx