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  1. JGra

    Hooking a Tach up to a 3 Cyl Mercury 80 HP

    I picked up a set of gauges for my boat today at a great price. The person that had them really did not know any history on them other then they were run on an outboard before. For 10 bucks it is worth a chance. The only question I have is on the tachometer. The gauges say US marine on the front...
  2. JGra

    Tachometer Question

    I have a 1989 Mercury 80HP 3 CYL motor and I want to put a Tach on it. Is there any special Tach that I need. My contryl has a pigtail coming off of it. Thanks
  3. JGra

    89 Mercury 80 HP Idle (SEE VIDEO)

    I just picked up this mercury 80 HP motor for a boat project I am finishing. I am new to the bigger 2 strokes. The carbs were rebuilt and cleaned. I adjusted the carbs the best I can on the hose. I took a video of the idle and am looking for feedback to see if I am close. I know it might be hard...
  4. JGra

    1989 Mercury 80 HP Help!!!!! Fuel Problem????

    I just picked up a 80 hp mercury motor for a boat that I have been fixing up. The serial number is 0C123133.I think the model number is MER 1080412GD. This is the biggest motor I have owned. I mostly had john boats with smaller tiller motors. The motor runs ok but think the carbs need some...
  5. JGra

    Paint Question: Has Anyone Ever Used This?

    I have a 17 ft flats type boat that I have been doing some floor repairs too. I did some patch work with the hopes of getting another couple of years out of her. I have the floor all done and the deck sanded down and is about ready for paint. I have it primered at the moment. I have been doing...
  6. JGra

    NEW PHOTOS Need Advise With New Boat Project SEE Pictures

    Ok everyone I have taken on another project and could use some advise. A good friend of my got a deal on this boat with a 90 HP johnson seahorse. The motor was not running but it turned out to be something electrical. He bought the complete package from an old man for $850.00 bucks. Seems like...
  7. JGra

    EZ loader Trailer What Size Tire Go on This

    I just picked up a nice trailer that needed a little bit if TLC. The rims and tire that were on the traile were a couple of car temporary tires. They are 16 inch but look way to big. i tried to find a serial number on the trailer but cant find any number or info on the trailer. I did find this...
  8. JGra

    Merc 500 Thunderbolt serial number help

    I have a merc 500 thunderbolt. The serial number is 2516298. I know it is a 1969 but can someone tell me by the serial number what model merc 500 this is. They made 500M, 500ML, 500S, 500SL, 500E,500EL. I am trying to find out what one I have. I dont know if I have a long or short shaft. Its...
  9. JGra

    merc 500 Where does this hose go- Tell tale? PICS

    I am in the process of getting an old girl back on the water. I started to tear her down today to do a real good clean up and replace the internal harness and remove the carbs and fuel system for cleaning and rebuild. I have a manual on the way for this motor. My question is after I removed the...
  10. JGra

    Merc 500 ITS OVER Rest In Piece

    I need all the old merc experts to chime in. I have aquired and old merc 500 thunderbolt (given to me). The motor is 100% complete and has no missing parts. The serial number on the motor is 2516298 whick I think makes this a 1969 model. It has been sitting on an old boat uncovered that was in a...
  11. JGra

    Floor Reinstalliation NEED ADVISE !!!!!

    Hello all, I may be aquireing this boat in a trade for a old SUV that I have. The motor on it runs good and I will get a spare motor to boot for parts. The person that has the boat started to redo the floor but just never finished it. I am very handy and do all my own work. I enclosed a picture...
  12. JGra

    Chrysler Charger 90 HP Good or Bad Any Advise

    Hello, I may be picking up small project boat in a trade for and older SUV that I dont use anymore. The boat need some floor and seat work but other than that is in good shape from the pictures I saw. The motor on the boat is a Chrysler 90 HP. It says CHARGER on the eng cowl. I have not really...
  13. JGra

    71 25 HP Evinrude questions

    OK, These forums help me to return a 69 Merc 200 back to the water. My next project is 25 hp Evinrude (serial number 2520R-E04783). than was given to me. I think its a 71 model. I checked and cleaned a few things just to make sure is was worth the effort. After sqirting a small amount of fuel...
  14. JGra

    What Do You Look For When Buying Fuel ???

    I have been working a putting a 14 ft john boat with a older 20 hp merc 200 back on the water after sitting for 15 years. I finally have it running good and have been out fishing a few time with it already. There seems to be alot of confusion about something as simple as filling up with fuel. I...
  15. JGra

    Merc 200 20 hp Running out of fuel PLEASE HELP !!!!!!

    I have a 1968 merc 200 20 hp motor that to me seems to be running out of fuel. After going wide open throttle for about 200 yards it just dies out. With one pump of the fuel bulf it fires right back up. I have tried to adjust the mixture but it does not help. I have noticed that as long as I...
  16. JGra

    Merc 20 hp Question

    I have what the book calles a reverse lock. It is 2 hooks that grabs a pin on the transon bracket. Can someone tell me how it is suppose to work. Right now I have to manually pull back on the hooks in order to release it to raise the eng. In order to do this the gear shift seems to have to be in...
  17. JGra

    Merc 200 20 HP First time in the water in 15 years- 1 issue

    Well I have been working on this boat for the last couple of month getting it ready for the water. Prior to this the rig sat for about 15 years under the shed. Everything with the boat did well. I only have 1 issue with the motor. the motor has a very good idle and starts very easy when its...
  18. JGra

    First Launch and Recovery This Weekend Any Advise

    I have been fixing up and ould Jon Boat for the last couple of months. The rig had been sitting for about 12 years prior. I have gone thru the engine and have done all the required maintenance an have it running really well. Although I have done a lot of fishing over the years and have had many...
  19. JGra

    Hummingbird LCR 2000

    I have an old john boat I am bringing back to life. The boat was wired for a Hummingbird fish finder when I got it but did not have the display. The transducer only shows the hummingbird logo and has no numbers. It has one 2 pin power plug and one 2 pin tranducer plug. I would guess it was...
  20. JGra

    Merc 200 lower seal kit Question

    I am getting ready to order a lower seal kit for my merc 200. I have a leak at the prop seal due to some fishing line wrapped around the prop. From what I have been reading it takes a 2 seals for the shaft ( 1 faceing in and one faceing out) and a o-ring for the bearing carrier to seal this. I...
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