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  1. J

    water in my block

    i have a 454 mercruiser and water seems to get in my engine whenever I am out for a while and then I can't start the engine and I need a tow. Some times I can spin it enough to. This is the first time it has hapenwith the new engine since being installed. the reason I installed a new engine is...
  2. J

    454 merc carb problem

    I have a 454 merc with a rochester 4 barrel. I recently posted a problem with the carb and adjusting the throttle cable gave me more rpms. The marina tells me I need a new carb sincce my secondary barrels are not opening. <br /><br />I looked in the carb and noticed the bottom plates on the...
  3. J

    flush adapter FOR YAMAHA 650 WAVERUNNER

    I am trying to install the fresh water adapter so I can run the engine on ground. I cant figure where i it goes. Can someone help? the repair manual shows a slot i dont have on my exhuast manifold.
  4. J

    yamaha 650 engine bearing noise?

    I just purchased a core engine yamaha 650 for my wave runner. the case is intact. Is there a way to check i f the bearings are ok before I install it.<br /><br />The previous owner said he heard a sqeek in the engine and shut it right down. There is no resistance at all to turning the crank by...
  5. J

    loss of power on 454 mercruiser

    The marina recently replace my control box. Up unitl that was done last week I had no problem with the operation of the boat. Afterwards it seems like I have no powere to get up over the hump on plane. Also the the cables were replaced.<br /><br />My Marina tells me I now need a carburetor? Does...
  6. J

    more steering control from a single screw

    i was wondering if there is anything I can do to my drive to give owoobetter control of my boat. I have a 26 foot cruisers with a 10 foot beam. It has a bravo 1 drive 454 mercruiser. I am all bow. I have a hard time pulling out and into the slip and controlling the boat at idle.<br /><br />Ant...
  7. J

    shift control box

    well today i was dolpihn watching just off cape may, nj the whole pod swam under the boat so i put the shifter in neutral to stop the propeller rotation. Well the shifter just stripped its splines. I managed to tighten the set screw to bee able to hae throttle control to get home but as soon as...
  8. J

    OUTDRIVE DOES NOT LIFT BUT PUMP MAKING NOISE

    I just put my boat in the water. My out drive will not tilt or trim. However the pump is making noise and the fluid shows full any suggestions?
  9. J

    intake manifold

    is the intake manifold on a big block 454 carbed <br />engine the same as an automotive? If not can I adapt one to work without any loss of power?<br /><br />thanks
  10. J

    rpms drop off

    Hi,<br /><br />I have a mercruiser 454 with a bravo 1. Last season I replaced the engine and all components with the exception of the carb and intake manifold. First trip out this season the boat ran better than ever. Up on plane faster and cruise at lower rpms. After that the boat seemed to...
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