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  1. 5150abf

    Timing on a 72 Rude 50

    Doing a tune up on a buddies boat, it is an Evinrude 50, he says it is a 72 Model number is 50473N. Don't have a manual for it and need to know timing both idle and WOT. Thanks.
  2. 5150abf

    Is this dumb or not???

    This sounds like it will work pretty good but I have though that before... I want to check my high speed timing but don't have a test tank or test prop however, there is a small boat launch 5 minutes from the house and I have a really scabby old prop with the blades worn down to about half...
  3. 5150abf

    115 Johnson bearing?

    My brother calls me, he has a freind and someone gave this freind a boat but the motor makes a "funny noise". I go to look at it, it starts and runs pretty good but the fly wheel is moving up and down maybe an 1/8", when it goes down it makes a sqeueling noise. He shuts it off and there is...
  4. 5150abf

    Really cool old motors

    Dinking around on Ebay and came across this guy, really cool old engines. http://motors.search.ebay.com/_W0QQsassZtheminimotorman that little 3 horse is beautiful!
  5. 5150abf

    Part number problem

    Back story: Replaced 27 year old thermostat on my '81 'Rude 50 now my overheat alarm comes on intermitetly, I know there are no obtructions and the pump is new and it pees a straight stream, alarm turns off after 1-2 minutes. While the alarm is going off you can hold your hand on the head for...
  6. 5150abf

    Super cheap parts on Ebay

    Not selling anything but I was just plinking around on Ebay and a guy is selling big lots of NOS Evinrude parts for $5-6 dollars. Water pumps, seals, clutchdogs, just lots of parts for really cheap, worth looking into. They are the parts in yellow bins, didn't have what I was looking for but...
  7. 5150abf

    Overheat alarm????

    just replaced the thermostat and the water pump and flushed the engine with water and air in my '81 50 Evinrude, took it out first time last night pee'd like a sailor, ran WOT 15 min-partial throttle 15 again for 15 another 10, then when I went to go back to the launch after running 10 minutes...
  8. 5150abf

    Water pump-need help

    Okay, the last time I had it out the tell tale was spraying like it should, replaced control box this weekend, go to test run on muffs and it won't pump any water-put new impeller in-still won't pump water BUT you can feel air coming out the tell tale but no water. Any ideas? I was in deep water...
  9. 5150abf

    Slick lower unit trick

    Alot of you may have already found this trick but I just figured it out. Had to change my impeller, 30 minutes to get the lower off,impeller in, reinstall lower then the usual hour trying to get the #@*^<$ shift rod hooked up,heres the trick, there is a small gap between the lower and mid...
  10. 5150abf

    Tach '81 evinrude

    I have an '81 Evinrude 50 and rewired my ignition today which involved the tach, just to be sure it is set right that engine is a 6 pole-12 pulse yes? I wired it straight off the ignition this time,the wires are 6" long so i don't see what can go wrong in 6" it has worked intermitently for...
  11. 5150abf

    New control box,but will it work?

    Somebody at work threw away a brand new control box (!!!) I,of coarse, grabbed it. It is a teleflex universal that has Johnyrude cables already on it, tilt trim and a neutral lock out, light years better than the one I have now. Problem 1, it is a top mount, mine now is a side mount and I have...
  12. 5150abf

    Does tha FAQs work?

    Have searched the FAQ several times and it tells me there are no matches found so I put in Evinrude and got the same thing. Am I not doing something right or does it not work?
  13. 5150abf

    Heres my boat

    It is an 80 Sea-nymph Fishin machine with an '81 evinrude 50, got it 8 years ago for $1700, boat motor and trailer, it had this horrible brown astroturf on it originally. We had a 14 day shutdown for Christmas so I stripped it to the bare hull and started over, alot of things I didn't care for...
  14. 5150abf

    Should I change tilt trim oil?

    I have CMC tilt trim, it works beautifully but I have had it for 3-4 years and never changed oil. Do I need to change the oil in that or is it okay as long as it works. Doesn't have any leaks or problems and I would like to keep it that way. Your thoughts?
  15. 5150abf

    shortening trolling motor shaft-doable or not

    I have a line on a Motorguide wireless trolling motor but the shaft is a mile long, can I cut that down to fit my boat or no. Probly would have to take off 18"-24". I can use it either way but like I said the shaft is WAY too long
  16. 5150abf

    Deal or no deal

    I have a fairly heavy 16' aluminum V-hull with a 50 rude, I am running a 12 1/4X15 prop now but I found a killer deal on a stainless 11 3/4 X17. Will the lower diameter and increased pitch make it a wash as far as change in RPM at WOT, it runs @ 28mph @ 4700 now? If anything I want to pick up...
  17. 5150abf

    Can anyone identify this part?

    I know it is a helm pump but I can't find one like it ANYWHERE! I work for a marine manufaturer and they were cleaning house in R&D and THREW AWAY 2 of these, I would like to sell them on Ebay but I can't till I find out what model or manufaturer they are. It has a flat tab on the end of the...
  18. 5150abf

    Main jets

    Okay, it's winter here in Indiana, I am messing with my boat, I go to clean the main jets and a 1/16 drill bit will almost fit, I mean by a thousandth of an inch. What would happen if I made the jets that little bit bigger? I am working on a 1981 50 Evinrude and the jets are 550's. I am pretty...
  19. 5150abf

    Engine height

    This is something I have never seen discussed here. What effect does engine hieght have on performance and handling? I know if it is too high you can't apply alot of trim before it starts to cavitate but can the engine be too low? Just for giggles I moved mine all the way down but haven't run it...
  20. 5150abf

    Tach ?

    Can't get a tach to work on my motor,1981 Evunrude 50. Jumped the leads directly to the motor(grey sender and ground wire). The tach will power on, the needle raises and it will move to @ 1000-1500 while you are on the starter but when the engine starts then it drops back to O. I have read...
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