Jump to content
  • GUESTS

    If you want access to members only forums on HSO, you will gain access only when you Sign-in or Sign-Up .

    This box will disappear once you are signed in as a member. ?

  • 0

9.8 Merc dies


Finns

Question

Started up the Merc and it ran for 15 to 30 minutes (in a tub) and then died. Bulb was soft. Put on a new bulb and hose clamps. Ran for short time. Got rid of 2 month old treated gas and gas tank. Replace with new gas and tank. Still won' run more than a minute or two.

New gaskets for the carb maybe?

Finns.

Link to comment
Share on other sites

9 answers to this question

Recommended Posts

  • 0

Could be a lot of things and need more info.

Was there enough water in the tub for it to pick up the water? The bubbles and turbulence that the exhaust puts into the water will reduce the water pumps ability to push water and you could be overheating.

If you primed the hose back up would the engine start again?

After you replaced the bulb, clamps, and gas tank did the bulb stay hard?

Did you check for spark after it quit?

Did you replace the plugs?

Are the plugs wet or dry after it quits?

Link to comment
Share on other sites

  • 0

ST; Lots of water in the garbage tub. Primed the hose and would start but not run long. Haven't checked the plugs.

I got it to run this morning-but-I have to keep moving the choke to keep it running. Replaced vaccuum hose to no avail.

How hot is the water supposed to be coming out of the water pump discharge hole? It's hot but not so hot that you can't keep your hand in the stream.

Finns.

Link to comment
Share on other sites

  • 0

If you have water coming out the telltale then lets drop the overheating issue.

Having to choke it to keep it going most often means your starving for gas. You said you replaced the "vacuum" line. Did you put a clamp on both ends?

Does the bulb stay hard now when its been run? If not its either leaking air into the gas line or the fuel pump is weak. Need to know about the bulb because you next step is dependent on that.

Link to comment
Share on other sites

  • 0

I think th abbreviation of ST means Saint, in this case ST Frank = St. Frank. You truly are.....your patience is to be admired.

If choke is used to keep motor running could mean dirty carb also, might want to take it apart and clean it up.

Link to comment
Share on other sites

  • 0

Valv; You're on the mark about the ST initials.

Yes, the bulb stayed hard.

Headed to the store for a carb gasket kit. The wife reminded me that about three years ago this happened and a kit was the fix.

Will report the outcome this afternoon.

Finns.

Link to comment
Share on other sites

  • 0

Thanks for the words. I think you pump is alright then, next thing down the line could be the fuel filter and clean the carb along with an overhaul kit for the carb. Pick up a can of spray carb cleaner and a bottle of cleaner to soak the carb and parts in after you disassemble the carb.

Link to comment
Share on other sites

  • 0

Dang I hate when the wife is right!! Put in a carb kit and it is purring like a kitten.

I'll be around Ely for the next two weeks and have been known to buy the beer if anyone is interested.

Finns.

Link to comment
Share on other sites

  • 0

OK, we are all in the same situation here.

DO NOT let her know or hear the words "You're right" that will be the end of us, truly.

As far as I know we never had a discussion about your motor.... you just figured it out by yourself grin.gif

Link to comment
Share on other sites

Guest
This topic is now closed to further replies.


×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use and Privacy Policy. We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.