1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

[howe719]

Motor was running fine before i put it in the garage. Over the winter i installed a whole brand upper and lower outdrive to the boat. Also before i put it in the garage i set the timing on the motor as well.

I know i have spark at all plugs. Getting fuel into the carb.

I have a edlerbrock carb 600cfm
Any ideas

She will crack over but all i get is trying the start some points. She just cranks cranks......

 

[dubs283]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

do you have GOOD spark, and GOOD fuel??

 

[howe719]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

I have spark when I hold the plug to the side of the motor. How do I tell if I have "GOOD" spark or not. The fuel is fine. I just filled it up at the station.

 

[Don S]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

Pull the coil wire out of the center of the distributor cap. Hold the engine about 3/8 to 1/2" away from a clean unpainted ground and crank the engine. You should have a bright blue/white spark easily snap across the gap. Yellow spark will never do.
One other note, a slow cranking motor will not likely start. Low batteries, loose or corroded battery cables will not turn the engine at speed fast enough to start.

 

[thumpar]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

When you push the throttle do you get a stream of fuel down the carb throat? You may try putting a tad bit of fuel down the carb to get it going. I have to do that after sitting over winter or it takes awhile to get going.

 

[howe719]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

I find that the wire on top of the coil was not very good connection. I pulled it off and she broke... it was due for a new wire. I just ordered a new coil and I am hoping that it will come with a new wire from coil to distributor.

Yes the carb is dumping plenty of fuel in carb. I was spraying with starting fluid as well. She will go to turn over and then right back to just a dead cracking and then the carb will pop and back fire.


I will get it before long. waiting on this coil to get here then I will update


thanks

 

[Don S]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

I just ordered a new coil and I am hoping that it will come with a new wire from coil to distributor.

It doesn't come with a coil wire, just the coil.

Any decent marine shop should be able to make you up a coil wire. Just take your cap and coil so they know what ends to put on it. You will have to tell them how long to make it.

 

[OldNBold51]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

Don't discount old gas being a cause, either. I had this same issue last year. I put new gas on top of 6 month old gas and still no start. After hrs of troubleshooting everything else, I made a makeshift fuel tank directly to the carb and it fired up almost instantly and ran the 1/2 gallon of fuel out. An easy way to tell if this is a fuel problem is make sure your intake tract is not flooded, then spray starter fluid or pour gas into the carb and try to start. If you get it to fire and run briefly, it's your fuel.

 

[skipper6567]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

I would test at least a couple of plug wires at the plug end. Simple just take out a plug or grab one off your' bench and attach plug wire just like you would if the plug was in head. Now take plug and touch any bare metal with the threaded area (do not ground the white glass only lower metal part of the plug. Then have some one crank her over and watch for spark. If you have any spark a v8 will run,maybe not well or to specs but it will run, you have electronic or points? if points take sand paper and sand the gap of them with some 220 or fine paper. also many times I have run accross with mecruisers you get a spark while the key is in the start position and not the run position, make sure you have power at the coil while in run position. my 2 cents

 

[howe719]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

ok new coil and wire now. she is still doing the same thing. I am going to try the new fuel thing but I am not really sure what is going on.

She will just crank and crank, I spray starting fuel she will start for a sec then back fire. same thing if I am pumping fuel in her. she will dry crank and sometimes try to spin over but then I will get a fire in the carb and it will burn out.

I am going to keep trying things.

 

[howe719]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

here is a video

 

[Eric 3.7LX Alpha 1]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

Don't use ether.... it's not good for the engine.

http://forums.iboats.com/non-repair-outboard-discussions/starting-fluid-bad-bad-5621.html

Pour/squirt/spray some good gas down there instead.

Did you have fuel in the tank from last year? Water will sit on the Bottom of the tank.... where the pick up is. So adding fresh gas to old gas will still have water at the bottom of the tank... and still give you problems.

 

[Turn-n-Burn]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

looks to me like the timing jumped??

 

[flipbro]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

Go through and cheack your plug wires are correct spot!

 

[OldNBold51]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

I'm going with timing is slow or you still have the bad gas. FYI, with all the cranking I did, i had a pool of gasoline in the intake runners thus making me think the carb was flooding. To eliminate the pool quickly, I'd take the carb off, use rags to absorb the puddle and then shove the neck of my leaf blower over the intake and blow dry the intake thus ensuring too much gas wasn't the problem. After reinstalling the carb, I'd give it some starter gas/fluid down the carb throat and I'd get a quick pop (ignition) like you, then nothing but cranking w/o fire.

My makeshift gas tank was a 1 gallon jug with a hole drilled into the cap. The hole in cap was slightly smaller in diameter than the 36" fuel line that i bought, with the business end of the hose attached to the carb and the other end forced thru the hole in the cap. I held it up like an IV bottle for gravity feed, had no gas leaks and cranked. it started right away and ran the 1/2 gallon of gas out.

Google water in gas with emphasis on how ethanol attracts water.

 

[Volphin]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

Your plug wires are out of order, or your distributor has been rotated out of timing spec. I'm guessing the former... I've done it even when I'm being careful! LOL

 

[howe719]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

OK I will pull the number one plug and make sure she is TDC... after this I will pull Distributor cap and make sure she will on the number ONE wire lead. After this I will once again check all the wires... If this does not work I will upload another video.

 

[flipbro]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

Don't get your #1 tdc mixed up with #6 TDC one will be on a compression stroke and the other on exhaust. Have you ever had the distributer out? If not definitely check your plug wires are coming off the distributer cap to the proper cylinder ! You definitely have a timing issue!

 

[howe719]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

Ok so when 1 was TDC the 6 was firing. watch video.

I have it timed now as well. I currently have it running at 0 right now at ideal and when we will running at around 2000rpm she is round 10 or so.

THANK YOU ALL

 

[thumpar]

Re: 1989 Wellcraft 5.7L Was running......NOT NOW HELP GUYS

You should have some advance at idle. I don't know your specs but usually 6-8 BTDC for most engines.