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  1. R

    tilt & trim

    need some help...changed my trim pump on my 88 mercruiser 3.0 i/o got all the wiring ok but had a case of the dumb a-- and forgot to write down which of the two lines(Black line and white line) went to which side of the pump. I think looking at the front the white is on the right and the black...
  2. R

    mercruiser 3.0 130hp ver 3.0 140hp

    I have a 1988 mercuiser 130hp 181c 3.0. inline 4<br />can anyone tell me the diff in the 130hp and the 140hp. Most all ref. on the internet shows a 140hp same year and serial number. Is it the carburetor, that year merc went from a Rodchester to Merc carb. I have the merc carb which needs to be...
  3. R

    Alternator

    I have a 1988 3.0 mercruiser. The alternator (merc. 12449((mando))55amp.) is bad.<br />Can I replace it with a higher amp. output alternator (60-70amp). If yes, is there a 3wire one that will fit in the same bracket and use the same belt?<br />Thanks
  4. R

    Alternator/Battery

    being my first year at boating with a merc i/o 3.0, I charge the battery before I go out(13+ volts). after the eng. warms up the volts drop to 12.2- 12.4. I thought that my alternator was going bad. A friend who has had many boats said unlike autos the alternator is only going to put out 12...
  5. R

    Solas propeller

    Anyone use a Solas propeller(Aluminum or s/s) on your boat. Trailer Boat mag. had a very good write up this month. They seem to be used all over the world. but I would like to get feedback from you guys.
  6. R

    prop hub

    can I get some feed back,<br />I know the interchangable hub is cheaper, is one or the other better? Vortex or turning point<br />Thanks Ron
  7. R

    Prop Pitch

    Lost here!, have a 1988 mercruiser 3.0 alpha1,I've read the post on "the basics of selecting a propeller" very good info. my boat is 17-1/2ft 2000lbs with 4people,the most I will pull is 1 tube or skier. prop is now a 15/19 but worn down some, looks like it came with the boat in 1988. Merc...
  8. R

    Out drive

    I have a 1988 stingray mercruiser 3.0 130hp alpha1. When I came in yesterday after 2hrs on the lake, I checked over everything as I always do, when I turned the prop left and right there was a clicking sound in the lower unit just behind the prop.What have I done this time??? Thanks
  9. R

    Oil Filter

    I'm sure this has been ask many times before!!<br />I have a mercruiser 1988 3.0 I/O, is it OK to use an AUTO oil filter. If not what is the difference.<br />Thanks
  10. R

    Fuel Pump

    I have a 1988 mercruiser 3.0 chevy eng. the fuel pump tube is dumping gas in the carb.I read somewhere that it means the pump is leaking? Eng. run fine. Repair kit?<br />I know some parts are ok to use auto parts, but some are not. but I don't know which chevy auto eng this is?<br />A friend...
  11. R

    mercruiser 3.0 Idle

    Just bought a 1988 stingray mercruiser 3.0 130hp alpha1. <br />When I took her out the first time she started fine,temp ok, oil ok, but after about 30 mins running at normal temp the idle went low to the point she would die.<br />the points, & plugs are new. <br />Any help on this one ?<br />thanks
  12. R

    Alpha1 trim motor

    Just bought a 1988 stingray mercruiser 3.0 130hp alpha1. Trim moter& pump was bad, replaced with complete new unit was pre wired all i had to do hook up to battery. Got most of the milkie oil from system, added new oil. Problem is when I pushed tab button up-Nothing, no sound anything.<br />when...
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