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    Trim sender for 1986 Yamaha V4 140hp

    My trim guage is poining fully up all the time. The resistance between pink and black or orange and black wires from trim sender never changed when the lever was moved. Does this mean bad sender ?<br />I have search for part number of the trim sender 6E5-83672-01-00 for 1986 model which may...
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    Need wiring information for Yamaha Digital Speed & Tach meter

    I've just got a pair of used Yamaha digital LCD multifunction speedometer and tachometer from a friend. I'd like to know if they can be used with my 1986 Yamaha V4 140HP + color code of the wires + the resistance of the fuel guage sender unit. I don't know the model / year of these guages.<br...
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    Which year ? Yamaha V4 140HP

    I've just bought this 140 HP Yamaha in a good condition :<br /><br />140 AETO<br />6F3 L 351373<br /> J<br /><br />Please help me find model year of this OB.<br />Are there any problem with this model ?<br /><br />Pannet
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    Evinrude 140 V4 1990 intermittent rpm drop

    Sometimes during cruising at 4000-5000 rpm, the rpm suddenly dropped to 3000+ and sometime fluctuated between 3500-4000+ rpm. Bringing the throttle back to idle for a minutes and push up, the problem still exist. Shut off the key and restarted suddenly, it started easily and the problem was...
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    Need part number of fuel pump to replace VRO for Evinrude 140 V4 1990

    My VRO has a crack near the pulse inlet. No fuel or oil can be pumped to the carb when idle. I decide to replace VRO with a regular fuel pump and use pre-mix gas. I saw a fuel pump ( part # 438557 ) at the local dealer. The mechanic said it can be used on my motor but I recognized that the...
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    Need part number of fuel pump to replace VRO for Evinrude 140 V4 1990

    My VRO has a crack near the pulse inlet. No fuel or oil can be pumped to the carb when idle. I decide to replace VRO with a regular fuel pump and use pre-mix gas. I saw a fuel pump ( part # 438557 ) at the local dealer. The mechanic said it can be used on my motor but I recognized that the...
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    Evinrude 140 / 1990 idle problem ...conclusion

    My evinrude 140 hp yr 1990 run fine at all rpm range exept it can idle at 800-900 rpm for 4-5 minutes then stop. It can idle continuously if I pump the bulb every 1-2 minutes otherwise the bulb will go soft. What is the cause ?
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    OMC remote control for Evinrude 140 yr 1990 shift lock problem

    My OMC remote control for Evinrude 140 yr 1990 can not be locked in neutral position with shift lock lever. I observed that a round, white plastic plate where the red shift lock lever use to lock to is loose. This plate is located between remote control lever and the remote control body. I...
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    Ramp Design

    Dear friends,<br /><br />I will build a ramp at my home, on a river bank. What is the dimension and angle of a ramp that is good for a boat up to 23 feet ? The water here is almost 1.5+ meters different between highest and lowest ( more some day ).<br /><br />Thank you.
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    Evinrude V4 140 HP 1990 Warning Alarm Questions and Other Questions. Version 8

    Dear friends,<br /><br />I've just own an Evinrude V4 140 hp 1990 without a manual. I would like to ask about warning alarm if it will come in the future so I can manage it.<br /><br />1. Which problem(s) cause the alarm to operate ? ( I know that oil problem cause by VRO pump failure is one...
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    Bented Vertical Fin

    The lower unit's vertical fin of my Evinrude 140 is bented slightly ( approx. 1 cm. displacement from midline when measured at the lowest end ). Will this effect the performance or handling of the boat ?<br /><br />Thanks
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    Evinrude 140 V4 Yr 1990 questions

    I have bought an Evinrude 140 V4 year 1990 without any manual or spec. This engine is only 15 hrs and look very new inside the hood. I would like to ask anyone who know more about this outboard.<br /><br />1. What is the different between Evinrude 140 V4 1990 and Johnson 130 V4 2000? I've found...
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    Repair of broken fin of lower unit

    I have asked some technician regarding the repair of a lower unit's broken fin. Their answers are not clear. Anyone who know the right method please answer.<br /><br />1. Is it better to detach the lower unit from the engine before welding ? <br />2. Is it better to remove all seals and gears...
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    Evinrude V4 140 HP 1991-1994 problem

    I'm a doctor, not an engineer but I love to service my engine by myself.<br />I have bought a second hand Evinrude V4 140HP year 91-94 (not sure). I have found a problem with 3-way connector with built-in one way valve located near gear rod screw. The 3-way inlet side (arrow marked flow...
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