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  1. wvmedic

    1973 2 cylinder intermittent fire on bottom cylinder.

    I have a 1973 2 cylinder 50 HP that is firing interment on the bottom cylinder, I have checked the firing before and didn?t notice this. I am getting a good blue spark and it is jumping 7/16 plus, but the bottom cylinder will on occasion stop throwing spark. I noticed this after rebuilding the...
  2. wvmedic

    1984 90 ETLN Flywheel Puller?

    Do I need a special flywheel puller for this or can I use a different puller than the Yamaha special puller and holder. And if I have to use the Yamaha one where can I get it? Thanks Jeff.
  3. wvmedic

    90 ETLN to rebuild power head or not?

    To give some background, I have a 1984 90 ETLN and have been having an overheat issue since I bought it. I have put two new impellers, a thermostat and took the head off checked the water ports and cylinders for damage. I found no damage to the cylinders on the tear down so I put new gaskets on...
  4. wvmedic

    1984 90 HP ETLN overheating.

    I just changed my impeller and thermostat, and my motor is over heating. Buzzer was going off and couldn?t run above 2000 rpm prior to the change, but the head didn?t feel that warm when the buzzer was sounding I could touch the head and it wasn?t that hot. The weird thing is the head quite a...
  5. wvmedic

    1984 90 ETLN will this tach work?

    I have a 90 ETLN 1984 and can get a good deal on a new tach, it is a Yamaha tach part # 6Y5-8340-05. I have been to Yamaha's web site but it realy dosn't give any info as to what it will work with. Thanks Jeff.
  6. wvmedic

    1984 Yamaha 90 HP alarm going off?

    I have a 1984 90 hp Yamaha and was out on the lake today trying it out after rebuilding the carbs. We idled threw the no wake zone and I throttled up to WOT the boat hadn?t gotten up on plane yet and the alarm started, had to back off on the throttle to near an idle and the alarm went off in a...
  7. wvmedic

    How to plug holes in transom?

    I am re-powering my boat with a 90HP Yamaha, it currently has a 50HP Evinrude on it. I am figuring that I will need to drill new mounting holes, but what do I do with the existing holes from the rude? Jeff.
  8. wvmedic

    Need to the year of this 90 HP Yamaha

    Could someone decipher the numbers for this motor, from what have found it looks to be a 1983 but from what I have read Yamaha didn?t start selling outboards in the US until 1984. The motor is a 90ATO SN# 6H1L-451846 Also if it is in good condition what would be a fair price for it, and could...
  9. wvmedic

    Mounting transducer help.

    I am trying to determine where to place my transducer, I have a Lowrance X125 and per instructions I need to place it on the transom where the water is the slickest and not closer than 12? of the lower unit. I just don?t know where the optimal location would be, I have included some pictures...
  10. wvmedic

    How to install a pedestal seat in a fiberglass boat?

    Hello all, I have a 1990 Arima Sea Sprinter and want to put a pedestal seat on the port side of the boat, the floor is fiberglass and I?m not sure how to mount it securely. The port side currently has a back to back lounge, but it isn?t conducive to fishing because it takes up to much room on...
  11. wvmedic

    1986 Mercury lower unit install question.

    I am putting my lower unit together and I have run into a problem, I didn?t take the unit off so I?m not sure how this plastic washer goes. I know it goes on the shifter rod but I?m not sure which way, one side has a grove around it and the other side is flat. Can anyone identify which way it...
  12. wvmedic

    Outboard and brackish water.

    Once I get my boat running I want to go to NC and fish the Cape Fear River and Snow?s Cut Intercostal Waterway, both are brackish water. I have read that you should flush the motor after every time out. My problem is we will be camping and I can go thru the carwash and spray the boat off, I?m...
  13. wvmedic

    1986 50 hp compression.

    I have a 1986 50 hp. 3 cyl. Mercury was checking the compression and all three cylinders were at 140 psi. Is this good compression for this particular motor? I know for a car or a motorcycle it would be on the topside of good. But for boats I?m on foreign ground. Also while checking the...
  14. wvmedic

    Power trim question.

    I have a 1986 Mercury 50hp. With power trim, when I raise the motor it won?t raise all the way. The trim motor just stops and the motor is approximately halfway between full down and full up to the lock. It also bleeds off, it will take a couple of hours to bleed down from the halfway point to...
  15. wvmedic

    Deciphering prop numbers.

    I have a 1986 17? Smoker Craft Bass Catcher with a 50hp. Mercury, I just ordered a new lower unit and was looking at the prop to see what pitch it is. I found these numbers on the prop but I don?t know what they mean (48-73136-13) So what do the numbers work out to be? Thanks Jeff.
  16. wvmedic

    1986 Mercury 50 hp motor questions.

    I just purchased a used 1986 Smoker Craft with a 1986 Mercury 50 hp. Ser# A925548 How do I determine the model? Also the motor needs a lower unit rebuild, I can buy a reman for about the same as it would cost me for just the parts. If there is good compression are these motors reliable and...
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