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  1. K

    Caulk, bedding compound, filler

    I'm just about to reinstall my floor after replacing my fuel tank. When the boat was built they used some type of THICK caulk or bedding compound to take up the gaps between the ribs and supporting structure and the floor. Does anyone know what that is and where I can buy some. The "caulk" is...
  2. K

    Leaking Fuel Tanks

    So this year I found my alumnium fuel tank leaking and am now in the middle of replaceing it. I have done some research on the fuel tanks and how to mount them, also how NOT to mount them. The one thing I found is NEVER use foam to mount an alumnium tank. The maker of my boat used foam. I was...
  3. K

    under floor fuel tank replacement

    I need to replace a leaking fuel tank under the floor of my 1996 Key West boat. This floor does not have a removable cover or hatch so I will have to cut the floor to get to the tank.On the floor there is a "cut line" that is molded into the floor, this looks like this is where I need to cut...
  4. K

    1996 135 v6 Possable over heating

    I have this 1996 V6 that the over heat alarm sounds sometimes when you slow down to idle. As soon as I increase speed alittle the alarm turns off. I have a hard time beliveing it is overheating becouse AS SOON as I speed the engine up the alarm turns off, I would think any increase in water flow...
  5. K

    Yamaha 150 engine miss

    I'm working on a 1987 Yamaha 150 that has a very bad miss at idle and at higher speed. It has good compression on all cylinders and I can't pin it down to which cylinder is missing by pulling off plug wires. Any ideas about how to attack this problem?<br />Thanks,<br />Tom
  6. K

    Merc charging system

    I have a 1997 V6 135 Merc that the system voltage will bounce up and down from about 17 volts down to 13 or 14 then back to 17 volts. This does this mostly after 10 min of high speed running. I bought a factory service manual at the time I bought the boat/motor and have followed the tests for...
  7. K

    Question for RODBOLT

    On the topic of the oil injection on a 1988 Yamaha 150hp. I was wondering about the timming of the oil injection pump. Is it timmed? I understand you have said no it is not, but in my book (this is not a book from Yamaha it is a aftermarket book) that i'm using to put the motor back together it...
  8. K

    1988 Yamaha 150 oil system

    Need some help with a Yamaha 150. I'm helping a friend with his motor and need to know if the oil injection pump needs to be timed to the crank. The book We bought said to make sure the oil lines go to the correct location and it shows how the pump acts like a distributor but it does not show...
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