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Year

Mercury Sport Jet 120XR Poor idle/missing?

smhinchy I recently purchased a 1996 Bayliner with a 120XR Sport Jet (s/n 0e189282). I did purchase a manual (Clymer) but it does not seem to relate specifically to mine since some of the wire colors seem odd and according to it, I should have an extra, large red 2002-07-16
SB I have a 94 Bayliner Reflexx with a Sport Jet 90 and have also had some electrical problems. Just not the same as yours.

The Clymer manual has some very detailed diagnostic steps to determine the cause of electric problems.

The manual indicates that it should be started with WOT. I have had problems starting the engine and keeping it running. See my post about an electric priming fuel pump.

http://forums.iboats.com/?ubb=get_topic;f=17;t=015611

It seems that the longer it sets between uses the harder it is to start. From what I have read, hard starting is almost normal for this engine.
2002-07-16
smhinchy I checked again and it is the green/white and white/green wires coming from my black stator that measure 600 ohms. According to the poor manual that I have, this is way low for a black stator and ok for a red one. Can anyone verify this?

Thanks,

Shawn
2002-07-17
kenimpzoom How long has it been sitting?

When was last time carbs rebuilt?

I know everyone blames stator for all probs on these engines, but mine was the carbs.

Everytime my stator went out (twice) it just died and would never restart.

Ken
2002-07-17
ODDD1 shawn, compression test first, and then a spark check....the color on your plugs even, or is one washed off clean? the fact that you are getting almost all your speed says you can ignore the stator...water in the fuel? a cylinder getting water in it from a bad gasket? 2002-07-17
smhinchy The carbs have never been rebuilt, and it sat most of last year (stabilized and fogged). The engine ran like a top when I got it, and for a few weeks or more. The previous owner used it around 50 hours or so and kept it in great shape.

I woul
2002-07-17
smhinchy Oh, and another thing, it seems to be a fairly obvious thing when it starts running 'on all fours', kind of like a switch is being thrown on and off.

Shawn
2002-07-17

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