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    At what temp does a engine overheat?

    For instance I have a 89 Evinrude 40hp. If I put a temp guage on what kind should I use and at what temps should I be concerned about overheating
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    misssing airbox gasket.

    I noticed when I pulled the lid off the airbox on my 89 Evinrude that it had no gasket. I asked my local boat mechanic about this and he said it didn't need one Is this true or not
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    does this motor have a thermostat?

    I have a 1989 Evinrude model E40tLcec outboard. Does it have a thermostat?
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    frozen pee hole

    I have a 40 hp evinrude 1989 model. Occasionally in the cold climate here in Reno I get to the lake and find that somewhere in the system a line has frozen up. It usually clears within 30 seconds but I am afraid it might overheat. Upon leaving water I raise and lower at least 5 times trying to...
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    Correct position of gearcase to drain and fill

    I have been changing my own lower gearcase lube and have always lowered the motor till the little fins by the fill plug were level as well as the top of the cowling was also level. I read today that it should be in the upright position. Does that mean raised all the way up which would be at...
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    changing out vro pump

    I am going to change out vro pump in a 1989 40 hp evinrude outboard. What all do I have to dismantel to access the vro pump and hook up the conventional pump. I see the port on the side of motor to mount new pump but was just wondering how to get to the vro pump to disconnect. Do I have to take...
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    ?ok to use this lower unit lube

    local evinrude dealer out of lower unit gearcase lube and I want to go fishing tomorrow so is it ok to use quicksilver gearcase lube. 1989 evinrude 40 hp
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    smoke test for lower unit seals

    A mechanic car friend of mine told me it would be easier to test for lower unit leaks by using a smoke test. Will this work. Also I can't seem to find the link on test for leaks. Pressure and vacumn. If vacumn- long much and how long. Thanks
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    lower unit test

    I can;t find a reputable mechanic in area so I pose a question. How do you test the lower unit for leaks in seals in a 40 hp, evinrude
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    looking for a good outboard mechanic inReno, Nv.

    Got problems and can not find a good mechanic in Reno. Does anybody out there know of one.
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    funny smell in lower unit oil

    Just changed my oil in lower unit. It came out grayish in color but it felt like gear oil but had a really funny if not nasty smell to it. I did not notice any water until later, it seemed as though some drops of water had separated from the oil. My ? is could this be a synthetic oil and I...
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    wate in lower unit/

    Went to change lower unit gearcase oil and found milky substance and smelled really funny. A friend of mine looked at it and smelled it and said it must be a synthetic oil but the evinrude dealer changed it lasr and I was not aware of him using synthetic. My ? is I can't afford to have the seals...
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    Nobody seems to have an answer

    I have to travel 50 miles to take prop off and would appreciate anyone who could tell me what size socket it takes for the nut.Motor is a evinrude 40 hp #E40tecec. I have been told to use channel locks but that doesn't seem right.
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    spun prop or what

    Having problems all at once. Almost impossible to get boat on plane. 1989 Evinrude 40 hp on 17 foot aluminum boat. Wide open it slowing builds up rpms and after a long tme and slowly trimming up it will get on plane. I have read on here that it could be s spun prop. Does that make sense and how...
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    planing problem

    I have a 17 foot aluminum boat with a 40 hp evinrude. Has been running fine but now takes forever to get on plane. The rpm's are just not there to pull it up. Eventually I can trim up and finally get it to plane and actually obtain the regular rpm's. Help would be greatly appreciated
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    2 quick ?'s

    Did a compression check today on a 1989 evinrude 40 hp. I have read that it is most important that the cylinders are within 1o % of one another and they were. Both were at 115. My ? is the 115 is that a good #, in other words too high or to low. Also upon checking my plugs several times they...
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    didn't get an answer

    Several days ago I posted a question and did not get a response. The ? was , I have a 1989 Evinrude 40hp motor mounted on a 17 ft. Lowe aluminum boat with a 8 hp trolling motor. I was curious as to what the max rpm's and top speed would be, if all things were perfect. Currently I max out at 5000...
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    How fast should she go

    I have a 1989 40hp Evinrude and just curious how fast it should go with all things working right. I'm not sure of the prop's pitch. At 4600 feet of elevation with one person on board I am turning 5ooo rpm's and 31 mph. Is that about right
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    compression #'s for 1989 Evinrude 40

    Inherited boat and know for sure compression has never been tested. Nothing in service manuel as to what compression should be . I know there should only be about 10psi difference between the two cylinders but would an older motor have lower compression #'s. And what should they be.
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    spark plug ? 1989 Evinrude 40hp

    I have a 1989 Evinrude 40hp with the vro disabled and mixing gas. I went to local dealer and asked for the QL78YC plug and he said that I should use the QL77JC4. Any remarks are appreciated. I put the QL77JC4 in and seems to run ok but would I get better performance and milage out of the QL78YC
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