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How to access impeller on 2m (2hp) mariner outboard engine...I think its made in the 80's...normally you drop gearbox but this is direct drive

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Yamaha outboard engine

Procedure for carb. adjustment for 1992 Yamaha 30 h.p. 2 cycle outboard motor

Posted on Dec 30, 2008

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SOURCE: mercury 4 hp outboard engine wont go into gear

The lower gears arent hard to change, if your in there might as well get all of them there are only a few. the lshift lever does nothing but move the gears forward and back to engage forward and reverse, just pay extra attention to keep it water tight when done. A dealer should have the assembly chart for easy fix

Posted on May 01, 2009

finish line
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SOURCE: 1999 Mercury Mariner 9.9hp outboard motor

should be on the side with a lever but could you give me more info please

Posted on Jun 27, 2009

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SOURCE: Mariner 2 hp outboard engine (1985) not pumping water

My Mariner 8 has a thermostat fitted. It only pumps water when it heats to normal temp.

If your engine stops, it may be a fuel problem. Check the plug and go to Marine Doctor (a) fuel diagnostics, (b) spark plug diagnostics, sections. PK

Posted on Aug 14, 2010

Testimonial: "Thanks Peter, we will certainly try what you have said."

muffteck
  • 202 Answers

SOURCE: 25 hp mariner outboard runs ok for 2klm then

does it have the old type timming advance (non adjustable) get it timming through the cd switch. if so could be this but o/b man should have ched this change your gas hose and pump bulb if you sure no electrical problems

Posted on Mar 16, 2011

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You should change your impeller.
It is located at the top of the gearbox, around the vertical engine shaft.
First, disconnect the gear control. Underneath the steering bracket, you'll see a long nut with a counternut. ( Maybe you'll have to shift FWD or BWD to get better access ). Loosen the counternut 1/4 turn and then turn the long nut up ( 2 open box wrenches 10mm ).
Then remove the 4 bolts holding from lower to upper the gearcase ( just above the anti-cavitation plate )
The gearbox should drop down easily.
Then remove the 4 screws of the waterpump ( top of gearcase, around the long vertical shaft ). Lift the waterpupp housing, you'll get the impeller.
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Mariner 2 hp outboard engine (1985) not pumping water


My Mariner 8 has a thermostat fitted. It only pumps water when it heats to normal temp.

If your engine stops, it may be a fuel problem. Check the plug and go to Marine Doctor (a) fuel diagnostics, (b) spark plug diagnostics, sections. PK

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Procedure for carb. adjustment for 1992 Yamaha 30 h.p. 2 cycle outboard motor

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