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    temperature SENSOR wiring question

    I was trying to check my temp sensors to see if they are working according to the factory manual. one sensor has two wires and the other has only one wire. the dual wire unit has a tan with blue wire, and a white with black wire...the other (starboard) has just the Tan with blue in the book...
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    form a gasket-sealant...which ones?

    I dont have easy access to the BRP products the book recomends, what is a good automotive replacement for metal on metal sealing??? the heads on my motor use large O-rings, but the holes in the face of the block that run to water passages are closed off with the blind surface of the head, and...
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    troubleshooting 95 115 head pictures

    been dealing with a warm port head for a while, asking a lot of questions, trying every remedy I can find.. bought some extra heads to try out....cleaned them up and got them ready, then went and took the old ones off. I am posting a picture of the plugs, wondering about a possible lean...
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    compression numbers question

    many people say that the actual number isnt as important as if they are with in 10% of each other, and thus the motor is runnign smoothly...but you hear numbers like 90 psi and then the next guy has 120 psi across the board , and still another guy has 150 psi across the board... i have...
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    the secret in the model numbers

    does any one know the significance of OMC-BRP breaking their model number system??? while looking around for head and thermostatd differences on some motors I have I found some oddball model numbers this is one: http://www.boats.net/parts/search/BRP/JOHNSON/1992/J150ELANC%201992/parts.html...
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    anyone heard of high flow thermostats?

    before i try to gerry rig a standard T-stat, id figure id ask if anyone has seen or heard of a high flow thermostat. I know my motor could use one...it needs just a little more cooling... one head runs to 190 some times... i think it might be when i have my jack plate raised all the way up...
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    looking for the 9.9-15 hp tech tips link

    I have seen here a few times a guys web page where he posted a ton of pictures and steps for working on the 9.9-15 hp omcs... I think he had a bunch of fishing info on his site as well I am changing over from a long shaft 15 to a shot shaft I picked up a short shaft drive shaft and shift...
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    turning off tiller outboards

    I have a few more smaller tiller motors all of the sudeen and playing with them, most will not shut off when you turn the handle all the way to stop. some of the small tillers i had in the past( pre 1970 ) would shut off if you got anywhere close to the stop line!! now on some of the motors I...
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    why isnt my motor listed ????

    I have a 2001 Johnson 50 hp 2stroke that isnt listed on shop.evinrude.com, or any of the other sites. the model number is very easy to read on the tag on the motor. the tags number is J50VLSIF they dont list a model with the V for 50 hps!!! they list a J60VLSIF... the motor has the...
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    carb float orientation

    these pictures are from the factory manual for an 1988 Evinrude 70 hp. they are on the same page!!! I was trying to remeber which side of the float goes up!! they show the float inverted... I am thinking the flat side goes towards the carb body..and the stepped side goes towards the...
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    link and sync on a 1988 48 special

    I dont have a manual for this motor or a similar 2 cylinder motor... teh motor starts ok...then doesnt run great,...I havent had it on a boat yet so i do not know how it runs at higher rpms...it will rev in nuetral on the muffs...but runs poorly..150 lbs compression each hole, great spark...
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    add on TNT package.

    how common were these units? http://shop2.evinrude.com/Index.aspx?siteid=1&catalog_id=0&s1=17a456a9402df40e97eda115d0f503bc sorry that link does not expand to the final page, here is the pix I have one on a 48 special I aquired..and the electric motor is frozen up.. plus the unit was...
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    carb kit

    if you buy a carb kit for a late 80's 50 hp 2 cylinder motor...is that the parts to rebuild BOTH carbs? or ONE carb??? and you need to buy TWO carb kits to do the motor?? thanks bob
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    15 hp drive shaft removal?

    on a 1990 johnson 2 stroke...does the drive shaft just lift out of the lower unit....once the LU is off the motor? it seemed like the 15 hp FOUR stroke i just did a water pump on...that the drive shaft wanted to just slide up easily...the lower units look very similar since Id like to change...
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    how to solve one head getting hotter than the other!

    been chasing this issue for a while and now after using as much diagnostics as i can so far...i have 1995 115 hp johnson v4 60 degree looper, eagle motor OIS ignition each head runs barely 120 degrees at idle.. installed new water pump and have great pressure new thermostats a few months...
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    carb rebuild help please

    dont have a float gauge...the part number is 324891 it says on it in the picture that is fits a lot of motors. i am working ona 1996 4 stroke 15 hp.. i need the height the float needs to be while upside down in the closed valve position.....can some one measure it and give it to me in...
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    those infared thermometers are nice!

    borrowed one from work today....really really nice unit.. nothing Id ever fork over $700 for, but glad the company had it to use. wanted to try and verify if the temp gauges and senders are REALLY working right.. ran on muffs... and was suprised the motor wouldnt get warm.. I ran it for 15...
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    what temperature sets off the alarm horn?

    1995 johnson 115 ocean runner... have been dealing with seemingly weird issues with temps since i got the motor. Have made several posts about it.. installed temp sender, and had them wired through a selectable switch. was getting weird temp guage activity. finally pulled the switch and...
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    temporarily hooking up tach to 6 hp

    I have an extra dash mounted tempo tach... I d like to hook it up temporarily to check the rpms of some of my smaller motors on various boats I have to see what rpms the motor is turning while i diagnose tune up and prop selection. on the back of the big tempo tach is send ground ignition...
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    whats with this prop estimate black magic????

    how can you figure how fast a boat should be going just based on the prop and the rpms????? on the omc forum someone asked about a 90 hp on his 16 ft boat and was only getting 5000 rpms at 50 mph..( didnt want to hi-jack that thread!!) what if he mounted that 90 on the back of a 250 foot coal...
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