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1974 johnson outboard motor 25hp stalls when hiting high end

1974 johnson outboard motor 25hp stalls when trying to plane out boart points caberator fuel pump replaced .motor start and runs ok at three quarter speed but stalls out when hiting high end

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  • Anonymous Mar 27, 2014

    needed info on how to replace an impeller in a johnson outboard

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Not familiar with that specific motor but had similar vintage smaller HP Johnsons. From my experience it sounds like it could be that the high speed carb adjustment is too lean. What I would try is running the backing off the high speed screw 1/4 turn to 3/4 turn, then test. If works better, screw back in in 1/8 turn increments until the problem recurs, then back out 1/4 turn and leave it there.

Posted on Jun 30, 2009

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Posted on Jan 02, 2017

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I need an owners manual for an Evinrude 2 HP outboard motor model 2402E.


http://shop.evinrude.com/category/342499/Literature?brand=27153&horsepower=6955&year=27400&n=0&x=21&y=20
For Evinrude service manuals or Evinrude Johnson owners manuals for 1999 models and prior, please contact the Ken Cook Company at (414) 466-6060 or click here to be directed to their website Antique Literature. On older literature, original printed copies may no longer be available. When this occurs, an effort will be made to fulfill your order with a machine copy reproduced from a master file.

This says it is 1974
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Hi Jason:
This ended up in the washing machine section. ????

Outboard motors are cooled by the water that circulates through them. There is an impeller type pump in the lower end that takes available water and pushes it through the engine. This water collects heat from the engine, and the heated water gets discharged. usually through the centre of the propellor.

What you are describing sounds to me like the intended function of the cooling system.

Cheerfuls.

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I have a 1970's 25hp Johnson outboard motor. Last


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If your propeller is OK, your lower unit will need some repair. It may be as simple as a clutch dog worn and not engaging the gear. Usually they give warnings of problems by jumping out of gear though.
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