Recent content by sebas54

  1. sebas54

    Running hot 180 on a 160 thermostat??????

    Mercruiser v6 4.6l alpha 1. running 180 on muffs. New impeller & housing, new thermostat 160, new water pump circulator, new temp gauge and sending unit. I have checked the wiring from the sender to the gauge and its good. The only part of the motor that is hot is the thermostat...
  2. sebas54

    Temp. gauge reading Hot need help

    Hi I have a merc. v6 4,3l alpha 1. I have been trying to figure out why I was running hot. Today I installed a new temp sending unit and let it run on the muffs for about 20 mins. The gauge read around 180 - 200. Once I truned the engine off and put the key into aux the gauge read 140. Once...
  3. sebas54

    Running hotter than usaual ??

    Merc. v6 alpha 1 4.3l Hi after overheating i changed the impeller and housing and discover that the old impeller was in pieces. I went out with the new impeller installed, and new thermostat (160 degrees) and the engine was running hot. It was running from 165 - 175. the slower I would go...
  4. sebas54

    Loud Clunk when shifting into gear.

    HI I have a GM 4.3l merc alpha 1. I have recently removed the outdrive, and now when shifting into forward from reverse or vise verse, I hear a loud clunk. It sounds like someone is hitting a hammer against a hollow pipe. What did I do wrong? How do I fix it? This happened to me once before...
  5. sebas54

    Boat overheating fast

    Hi I have gmc 4.3l merc alpha 1 today I went out and didn't get to far. The engine overheated in 45 seconds. I checked the thermostat and it was operational, also checked the inlet line from the raw salt water and water was coming out but not very fast, especially when at idle (barely nothing...
  6. sebas54

    Steering problem...Help!

    Hi, I have a mercruiser alpha 1 4.3l v6. I have noticed a leak coming from my steering actuator. The tubes have rusted so badly that the fluid is spraying out. I have attached a photo to indicate where the fluid is coming out. OK here's me question, can I replace those tube with hose and...
  7. sebas54

    transmission oil in the trim reserve

    Hi, I have a 1987 gm 4.3l v6 alpha 1. I haven't changed my trim motor oil in about 3 years. I check it all the time and looks and smells good. Can I use automatic transmission oil in there? I plan on pumping out the old oil and adding transmission oils. Thanks
  8. sebas54

    Stalls when shifting then hard to start up and make wired noise

    Hi, I have a 1987 4.3l gm alpha 1 I/O. It usually starts right up the first time. I have been having a problem with the engine stalling when shifting out of gear into neutral. Once it stalls it doesn't want to start back up. After a few minutes of trying it will usually start back up. When...
  9. sebas54

    Help Dies and goes nowhere 1997 sl700 dlx

    Hi, I just purchased a 1997 polaris sl700 dlx. The previous owner told me it ran fine and he started it up and did a compression test and all seemed good. The pressure was 120 on both cylinders. Today I cleaned it up, greased it, changed the plugs and the filters. I took it out and it died?? I...
  10. sebas54

    please help polaris sl700

    1996 polaris sl 700 Hi, today I forgot to put the drain plug in. I realized once there was alot of water in the engine compartment (the engine was off when the water was entering). It wasn't above th carb so i dont think that it went into the engine. After draining all the water out, I took it...
  11. sebas54

    Evinrude Identification

    Can someone please tell me the year of the engine and if it is reliable. Thanks
  12. sebas54

    Carb. Problem????

    Hi, I have a 1996 polaris sl 700. The PWC works great except sometimes it stalls or sometimes I will hit the throttle and it goes nowhere or sometime while getting up to plane at low speeds it seems to miss. I have changed all the filters twice, change the plugs all the time, changed the gas...
  13. sebas54

    Engine age!!

    Hi, I have a 1987 gm merc. IO alpha 1 on a 1980 aquasport. I have owned this boat for 4 years. My question is how long do motors last for. Supposedly when I bought the boat the engine was just install, and it came from a chevy astro van with very little mileage on it(30,000). Now I have...
  14. sebas54

    white smoke coming from exhaust

    HI, I have a 1987 gm 4.3l v6 I/O alpha 1. Today I noticed that there was alot of white smoke coming from the exhaust when going slow and at idle. It seems to run fine with enough power and oil pressure is good. I changed the oil and it still smokes. What is wrong with it? Thanks
  15. sebas54

    Thermostat housing

    Hi, I have 1987 GM 4.3l merc IO. I just replaced the thermo housing with the t balls and it is different then the old one. With the new housing the t-stat doesn't set on top, it goes inside the housing. I looked it up and it seems that I am missing a collar or sleeve? Do I need to get the...
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