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8hp Mariner outboard stops running after 1 minute of plaining

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6ya6ya
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Posted on Jan 02, 2017

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hardinfarms
  • 144 Answers

SOURCE: gear shifter for 40 h. p. mariner outboard

With your lower unit off have someone shift the engine into forward while watching the gear shift select shaft's rotation,let gearshift remain in forward,now place your lower unit in forward and reinstall. In the future just put engine in forward when installing a water pump as there won't be a need to move gearshift

Posted on Jul 24, 2009

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SOURCE: Mariner outboard motor starts runs, then fuel

If you have carburetors your float is stuck. It can happen more than it should and if it is a smaller engine, laying it on its side can cause it.
You would have to look at the float and imagine which way to lay the engine down in the future. The float could also be bad. You would take it out and float it in Gas, not water to see if it sinks.

If this is a big HP outboard and injected your fuel regulator is bad.

Posted on Apr 06, 2010

  • 200 Answers

SOURCE: how old is my mercury mariner 8hp 09583718

well according to the make and model provided it's a 2003, and it is now 2010, so it's 7 years old.

Posted on Oct 08, 2010

  • 36 Answers

SOURCE: Carburetor runs too rich

sounds like you need to get the carburater cleaned and install a new set of spark plugs

Posted on Oct 12, 2010

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1 Answer

I have a late 70s 28hp Mariner Outboard, appears shift linkage has broken just below the motor where it connects to the rod that goes to the foot. How do I repair it with out moving the motor?


talk with a mariner service center
get a workshop manual for the outboard
with many outboards the selection rod comes apart with the bottom section as if you were replacing a water pump
see if you can undo the top section and let it fall out the bottom or lift the broken section out past the motor
talk wit a service center first and get some ideas

Nov 11, 2016 | Cars & Trucks

1 Answer

How old is my mercury mariner 8hp 09583718


well according to the make and model provided it's a 2003, and it is now 2010, so it's 7 years old.

Oct 08, 2010 | 2003 Mercury Mariner

1 Answer

Carburetor runs too rich


sounds like you need to get the carburater cleaned and install a new set of spark plugs

Jul 08, 2010 | 2003 Mercury Mariner

1 Answer

My mariner outboard hard to start when cold


mcdevito75 here, It could be a faulty cold idle sensor, or a leak at the intake manifold, have your local shop check it out.

Jun 18, 2010 | 2007 Mercury Mariner Premier 4WD

1 Answer

Mariner outboard motor starts runs, then fuel comes out overflow and motor dies.


If you have carburetors your float is stuck. It can happen more than it should and if it is a smaller engine, laying it on its side can cause it.
You would have to look at the float and imagine which way to lay the engine down in the future. The float could also be bad. You would take it out and float it in Gas, not water to see if it sinks.

If this is a big HP outboard and injected your fuel regulator is bad.

Apr 06, 2010 | 2000 Mercury Mariner

2 Answers

Overheating to my mariner 200 outboard enging


I would start with cleaning water intake and if you haven't re placed water pump impeller in last two years would do so now ,before you lose a weekend off the water,Hope this helped .

Mar 23, 2010 | 2003 Mercury Mariner

1 Answer

Gear shifter for 40 h. p. mariner outboard


With your lower unit off have someone shift the engine into forward while watching the gear shift select shaft's rotation,let gearshift remain in forward,now place your lower unit in forward and reinstall. In the future just put engine in forward when installing a water pump as there won't be a need to move gearshift

Jul 23, 2009 | 2004 Mercury Mariner

1 Answer

Mariner 4hp outboard can't get engine off casing


the drive shaft goes down through the water pump impeller and I suspect that the problem will be in the pump
the impeller is rubber and if run dry will melt the rubber into the housing and bind up the shaft
Brute force is a last resort so get all the information you can from a service dealer mechanic

Nov 12, 2017 | 2004 Mercury Mariner

1 Answer

Mariner 40 hp outboard


If you know the year you should be able to go to http://www.crowleymarine.com/parts.cfm and pull up the wiring diagram out of the manual.

Oct 20, 2008 | 2004 Mercury Mariner

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