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    250 hp ox66 2001 turz (water in fuel tank from station)

    A Florida boat, and sat for the summer, stored, with a almost full tank of gas, and blue sta-bil stabelizer in the tank. Prior to start for the first time, I changed out the spin-on water/seperator filter, drained VST,and filled it with gas/oil, also drained sm fuel filter, and bowl. Engine ran...
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    87' Mariner 2 stroke 45hp,no fire on all 4 cylinders.

    I have put in a new cdi stator,new cdi trigger and a used switch box bought on ebay, and the result is no fire on any cylinders, and with my peak reading stevens cd 77 meter, I'm getting no voltage on the dis-connected kill wire black/yellow runner, cranking the engine. But the terminal that the...
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    87 merc. 4cyl. 2stroke has water coming out of top cylinder

    Hard to get and stay running,but runs, and haven't pulled plug cover yet ,but can cylinder wall be welded? is it steel sleeved,or all alum? .....bernie
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    2006 Mercury 4 stroke 9.9hp oil on the water.

    Friends boat here. Motor ran good going to fishing spot, but a no start in trying to get back to ramp, next morning on muffs engine starts,no problem. Replaced fuel pump as it checked bad, and oil had grown to an overfill in crankcase. Changed oil,but the very next trip motor ran good but had...
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    VST pressure pump failed

    Yamaha 2001 250hp two stroke model turz. Engine was stored 18 months and now the fuel pump as no sound,and no 35lbs of psi at the schrader valve.Got rid of all old gas in main tank, new water/fuel separater,new engine fuel filter. I now have the fuel pump on the table and want to know if I can...
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    87 mercury 4cyl,45hp electrical problem.

    model 0b179711. Trying to track down a no fire on # 2 cylinder,has fire on the other three. Although the white/bk trigger wire has just about turned to a bare strandard wire I'm still getting a couple of volts on it,the other three trigger wires are clean looking and also check okay (voltage...
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    Mercury four stroke 03 efi stalling.

    Friends engine. Engine runs fine ,gets to upper rpm ,but when throttling down and going into neutral the engine stalls, also he has about 500 hours on this engine and outside of changing oil and a waterpump nothing else has been done. What else should be done? He takes me fishing is why I'm...
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    Susuki 150hp trim motor question.

    Actually several questions. What year is it? model d1150 15003 751106. What type of fluid for the trim up,trim down? fill level important? Engine up or down on re-fill? My neighbor just bought this rig and found out the trim motor casing was badly rusted ,and after wire brushing it ,had a hole...
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    Marine radio problem.

    I could only hear my friends marine radio "keying" as he worked the on and off with his mike. He could hear me plainly on his radio ........any ideas? we were a mile apart on the water with the test.
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    140 df suzuki tachometer problem.

    This motor belongs to a friend of mine and he just bought it from a private party a week ago .The trial run was yesterday and all went great but the tachometer was stone dead.Question is, where does the tach pick-up the rpm info to move the gauge? what voltage should be expected at idle on what...
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    zinc anode design question

    The leading edge of the fin plate that mounts below cavitation plate has a raised cup as to scoop up water ,the scoop is about as big as your little fingernail, so is that the purpose, or is it to drain water out?
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    Need some advice here.

    In the process of attempting to change the water impeller forgot the "one more bolt" and wound up knocking the rear end off of the cavitation plate. The zinc anode still has a good seat but I want to know what problems can come about if I take the boat out tomorrow? Can it cause the lower unit...
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    Lugging an engine.

    I'm concerned that i may be lugging my 250hp yamaha I'm using a 13.5x20 four bladed ss prop 4.3 inches across at hub. The boat a Mark Twain (Sonic) on the transom 82' the engine is year 2001 efi two stroke. This boat was an inboard but i added a three foot backset bracket for the two stroke. I'm...
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    What year Johnson?

    Model # j4besleos ,serial #g03890214 usa.The hood says 48hp. Engine starts on muffs but when it is in saltwater it won't start. Any ideas on year and the problem.(My neighbors boat).Thanks
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    2001 yamaha 250 efi, Multi-function gauge and tps question .

    2001 yamaha 250 efi, Multi-function gauge and tps question . The multi-function gauge first. This tachometer has the "Set" "Mode" buttons that I never use ,and the trim/tilt bars on the far right of the gauge works fine, the tach readings work fine, but on the "Key on only" engine not running...
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    2001 efi turz 250hp lx surging (posted in the spring)

    Engine has been in dry storage since early april and now for some gulf fishing (i hope). Took the advice from the five star rated mechanic here, Rod......something (Gotcha). Anyway periodically around 4000 rpm the surging kicks in ,not uniform, sometimes it ran great on a trial run close to...
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    Prescriptions in cars.

    Make sure you never have someone elses prescription in your car and tell your teenager also .My nephew works at the ford plant and was stopped after a long shift and the officer pulled him over for slightly weaving and on the front seat was his uncles prescription which his uncle forgot. to make...
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    2001 yamaha 250hp problem.

    I have posted on this engine several months ago and here is where i'm at now.With a 115 hours on the motor and the Model turz ox66 efi and the engine as of now starts instantly ,smokes a little at start-up but the smoke is gone after a minute,and last time out on a try-out the rpm's was surging...
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    yamaha efi resistor caps

    Just replaced two orange screw on resistor caps on spark plugs but can anybody explain the reason for the resistor being there ? and if a cap shows to be "open" meaning no continutity ,can't the high ark just jump the gap ,so to speak? when one goes bad how does that affect performance? what are...
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    yamaha efi resistor caps

    Just replaced two orange screw on resistor caps on spark plugs but can anybody explain the reason for the resistor being there ? and if a cap shows to be "open" meaning no continutity ,can't the high ark just jump the gap ,so to speak? when one goes bad how does that affect performance? what are...
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