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Author Topic:   Not a great night
Ben posted 06-25-2002 09:45 PM ET (US)   Profile for Ben   Send Email to Ben  
Just got towed in on my 13ft -when the engine dies I saw a plastic grocery store bag float to the top - I guess that would explain the smoke and steam. I saw the fuse was melted - hope I can did it out. Does anyone know what size it could be 30 HP 1984 Johnson. What else should I look for - assuming it starts??


Tom W Clark posted 06-26-2002 10:26 AM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     

If your motor died from an engine overheat as opposed to you shutting it down when you noticed it overheating then it may well be seized.

I'm unclear what "fuse" you are talking about. What does this have to do with an engine overheat?

Bigshot posted 06-26-2002 10:31 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
That is why you need to check the overheat warning horns and ALWAYS keep an eye on that peehole. Not scolding you, just reminding everyone else. If she shut down......I hope it was because the fuse melted or some other electrical short. If she seized, she is most likely shongo. It may run but the damage is there and only time will tell. I have overheated a few in my day but they never got hot enough to melt anything or seize. Does it turn over by hand? Did it turn over by hand just after it shut down? If the latter, it is probably ok. If she was a compression test asap before you spend a nickel.
Ben posted 06-26-2002 01:55 PM ET (US)     Profile for Ben  Send Email to Ben     
Yes - it did turn over by hand but at the time I did not think about replacing the fuse. I hope not too much other electical is damaged. Would there be an over heat horn on that year motor - 84 - 30HP? It is amazing how many boaters and jet ski's passed by the two kids and I. I am glad I had an oar.
Bigshot posted 06-26-2002 02:54 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Electric or manual start? Electrics had the horns....manual, nope! Try a new fuse and get it running, then do a Compression test asap.
Ben posted 06-26-2002 10:02 PM ET (US)     Profile for Ben  Send Email to Ben     
I have compression, spark, and the motor turns over but it failed to start - even with hot start. It did not appear to be getting any fuel? Suggestions?
triblet posted 06-26-2002 11:01 PM ET (US)     Profile for triblet  Send Email to triblet     
I know the plastic bag contraindicates this,
but maybe it was random garbage, and it
overheated because it was running way lean.
And now won't start because it's way lean.

Also, retarded spark can cause it to run hot
(at least it will on four strokes -- chased
that bug for a while on a rebuilt 400


Dr T posted 06-27-2002 01:25 AM ET (US)     Profile for Dr T  Send Email to Dr T     

Try squirting some Gumout into the carb. It will act as a starter fluid. Once the engine is started, the fuel should be pulled through the system from the tank.

If it doesn't start, then recheck the electrical.

Bigshot posted 06-27-2002 11:08 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
If you have spark and comp....remove plugs and clean them, then squirt some 50:1 in there and install plugs. She should run for a few moments. Then at least you know you have enough spark and comp. What are your compression numbers? Just because it feels strong, does not mean it is. ANYTHING will run on ether if comp and spark are there but I hate to use it in 2 strokes.

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