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MTSkiBum

Help me diagnose this

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My E-Etec 200 HO, same as E-Tec 225 has started to overheat when I run it above 4000 RPM's for an extended time and at 3000 RPM's it will run 20 degrees hotter than the other engine.

 

So far I have changed the water pump, water intake, pressure relief valve, and thermostat. The next option is to pull the block and check for a clogged line i guess, but i am hoping that someone else has a solution.

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It sounds like you're not getting enough water through the engine.  With a new pump on it, it must be a clog somewhere in the line. 

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salt buildup...flush it out...there are solvents u can buy.  Maybe garden hose it..

 

Saltwater correct?

 

make sure you flush it out after  you use it.  

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2 hours ago, bandrus1 said:

Have u been running it in shallow muddy or Sandy water? 

 

I have ran it through sandy/muddy warmer, but mostly offshore.

 

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1 hour ago, NorthernVike said:

It sounds like you're not getting enough water through the engine.  With a new pump on it, it must be a clog somewhere in the line. 

The water line goes in places where the block needs to be removed, which means a mechanic, which means another thousand dollars down the drain at a minimum.

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1 hour ago, Cloaca du jour said:

salt buildup...flush it out...there are solvents u can buy.  Maybe garden hose it..

 

Saltwater correct?

 

make sure you flush it out after  you use it.  

Yeah, I flush it but I probably should still try some salt away.

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is it definitely overheating or just saying so? could be sensor. do they have a limp mode??? its not reducing power?

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9 minutes ago, porkbutt said:

is it definitely overheating or just saying so? could be sensor. do they have a limp mode??? its not reducing power?

It is definitely overheating.

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I would look and see if the water intake at bottom is clean . Where you would butt the muffs on it.

 

I had an overheating episode after launching in low muddy water and it was clogged

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1 hour ago, MTSkiBum said:

The water line goes in places where the block needs to be removed, which means a mechanic, which means another thousand dollars down the drain at a minimum.

Tell me about it.  I just had to replace the trim motor and hydraulic on my merc along with a new steering cable.   $2200. :wall:

My pontoon is only 10 years old.  :mad:

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1 hour ago, NorthernVike said:

Tell me about it.  I just had to replace the trim motor and hydraulic on my merc along with a new steering cable.   $2200. :wall:

My pontoon is only 10 years old.  :mad:

That doesn't seem like a $2200 job

 

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16 minutes ago, bandrus1 said:

That doesn't seem like a $2200 job

 

Didn't to me either but I had to take it to a marina I try to avoid because they rape you.  I was in a pinch.  Parts were over 1200 and they had to diagnose  the electrical problem to figure the motor was out.  <_<

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1 minute ago, Hardcore troubadour said:

Boston has the best nautical mechanics in the country. 

Wow, my puppy is really following me around wherever we go. I might have to rub his nose in his poop.  :lol:

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Just now, Patriotsfatboy1 said:

Wow, my puppy is really following me around wherever we go. I might have to rub his nose in his poop.  :lol:

Boston has the best dog breeders in the country. 

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5 hours ago, NorthernVike said:

Didn't to me either but I had to take it to a marina I try to avoid because they rape you.  I was in a pinch.  Parts were over 1200 and they had to diagnose  the electrical problem to figure the motor was out.  <_<

I was full bore 38 mph when my steering cable broke

 

 

That is scary

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4 hours ago, bandrus1 said:

I was full bore 38 mph when my steering cable broke

 

 

That is scary

Mandatory:

Always wear your kill switch and an auto inflatable pfd.

Optional:

Anytime you have to replace a steering cable you should upgrade to hydraulic steering for only 5 times the cost. 

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