Search results

  1. R

    Mercury 115 hp Motor

    I have 115 hp mercury that i have a question on. On each head at the top there is a thermostat housing with line coming off it. The one on the right goes down and connects to another thing. I took the cover off and it has one screw in it and what appears to be a diafram. Does anyone know...
  2. R

    Mariner 9.9 2 stroke

    I have a Mariner 9.9 around a 1996 model. The motor will start at home but when I get to the lake it won't run. When it does run it seems to be running on one cylinder. Someone said that the "brain" may be bad. What are they calling the "Brain"?
  3. R

    Mercury Black Max 150 hp Lower Unit

    I have a 1984 Mercury Black Max 150 hp motor with some lower unit problems. I am trying to determine if it worth trying to fix. The motor will run fine in reverse but when you put it in forward and throttle up the motor knocks and vibrates bad. Does anyone have any ideas on this.
  4. R

    1980"s model 35 hp Johnson

    I have been having trouble with a Johnson 35 hp motor. I have changed the fuel pump and have rebuilt the carb. I am carrying good compression on the motor. The problem is that the motor will run fine at full throttle for about 5 minutes and then it acts like it is starving for fuel. The...
  5. R

    Johnson 35 hp power problem

    Okay, I have a Johnson 35 hp motor that would not run woithout the choke out. I cleaned the carb and it ran better and then lost power again. I then put a carb kit in the motor but it still does the same thing. After about 5 mins of operation it acts like it drops a cylinder or like you...
  6. R

    Johnson 35 HP No Power

    I have a Johnson 35hp motor mounted to a patoon boat. The first trip to the lake, the motor started fine but had to run with the choke out to keep the motor running. When I got home I boiled the carb out but did not put a kit in it. The second trip to the lake, the motor started fine and ran...
  7. R

    Warning: Bestboatparts.com

    I just wanted everyone to know to watch out for an internet business called bestboatparts.com. I recently placed an order for over $225.00 worth of parts. I ended up sending them back. That was over 2 1/2 months ago. I am still waiting on my money for returning the items. Their policy...
  8. R

    Johnson Hoods

    What I am trying to find out is if a 25 hp hood will fit on a 35 Hp Johnson 1981. If if will fit does anyone know the year range that I need which would be compatible with the 35.
  9. R

    1985 Johnson impeller replacement

    I am working on my 35 hp johnson. I want to replace the impeller. I have taken out the bolts on the lower unit, but it still won't come off. My question is how do I disconnect the shifting rod on a johnson. It is still connected when I pull up on the lower unit the shifting lever moves back...
  10. R

    Yamaha 4 stroke 25 hp

    I am having trouble with obtaining information on a Yamaha 25 hp 4 stroke. It is a 2000 year motor and the Model number is F25ELRY The quetions are: 1. What is the size of the rod journels? I am having the crank rebuilt and need to know the spec size? 2. Why does Yamaha have three...
  11. R

    Yamaha 4 stroke 25hp

    I have a 2000 yamaha 4 stroke 25 hp, F25ELRY. The previous owner did not take care of the motor therefore I am rebuilding the powerhead. I have contacted Yamaha customer service and also Master Yamaha Tech. I still can't get an answer. I am having the crank turn and built back to specs. The...
  12. R

    Motor dies

    I have a 25 hp motor, the motor needs to be choked each time it is started. Once running it runs fine for about one minute and then speeds up and dies. I assuming the speedy up before it dies is from it running lean at the end. I know its a fuel problem but I have already boiled and rebuilt...
  13. R

    Oil on Side of Motor

    I have a older Evinrude 25 hp motor. I noticed that it has oil on both sides of the motor. Where does this oil come from and if I replace the seal under the power head will it take care of it?
  14. R

    2 stroke motors and gas type

    Around here gas with ethanol (10%) in it is cheaper. Someone told me you should not burn this in a 2 stroke motor becuase it runs hotter and will also gum up the motor. Is this true?
  15. R

    1999 Yamaha 25 hp 4-stroke

    I recently purchased a yamaha 25hp 4 stroke motor. The motor has a noise in it and i was told that a 4-stroke should be quiet. My question is could it be the rod bearings. Someone told me that these motors had problems with the rod bearings.
  16. R

    1985 Johnson 30 hp Carb Question

    I am looking at a 30 hp Johnson for a friend. He says that the motor coughs and sputters. When the motor gets warm it's hard to start. He told me the carb has been bored so its equlvelent to a 35 hp. My first question is, when rebuilding the carb does it still take the orginal carb kit. My...
  17. R

    Motor won't start when hot

    I have a 80's model Johnson 25hp motor. The carb has been bored to increase the hp. When the motor gets hot, it will not start. Boring the carb would not cause this would it? I'm thinking possibly ignition problem or a blown head gasket. I haven't checked the compression yet. Just curious...
  18. R

    Shaft Extension

    Does anyone know where a person can buy an extension to make a short shaft evinrude motor into a long shaft motor?
  19. R

    Changing Power Heads

    I have a 6hp 1970 Johnson and a 1979 6hp Johnson with a bad powerhead. Can I put the Powerhead from the 70 model onto the 79 model? The 79 motor housing and lower unit look alot better than the 70 model.
  20. R

    Evinrude Compatability

    I have a 1967 evinrude, will the flywheel work on a 1976 or 77 model. It is a 40 hp.
Top