Recent content by jwkoehn

  1. J

    mercruiser 5.7 crate motor 12 yr old

    carbed version motor runs great @ 3/4 throttle after 10- 20 sec at wot engine pulls back 300-500 rpm has new fuel filter I suspect a weak electric fuel pump. Before I do a fuel pressure test I thought I would get a couple of other opinions
  2. J

    96 bravo 3 pulled drive to lube u joint

    i pulled drive to lube u joint and do an inspection 1st time doing myself. after completion I have no neutral or reverse what did i miss I had no issues before I took it apart Thank for any help Jim
  3. J

    2010 mercruser 5.7

    overheated motor , took care of problem i now have water gushing out of of a Y fitting on side of block this fitting also has the anti knock fitting attached what do I need to solve this
  4. J

    2010 mercruiser 5.7

    overheated motor took care of problem, have water gushing out of Y fitting on side of block one side of fitting has a anti knock sensor is this a drain fitting if so what do i need to fix it
  5. J

    lenco 12 vt deck lift

    need a new motor lenco refuses to make parts available i figure someone must know of a parts source a shame to spend 400.00 on a new one when all I need is a motor i also tried a motor r/r company no luck there either
  6. J

    gear lube leak

    96 vintage bravo 3 I fill gear lube resevoir run boat for a couple of hours gear lube is 3/4 gone no evidence of it leaking out prop shaft area it sits on trailer all week long i pull drain plug it looks like it is draining from bilge I checked gearcase its full to the top no water...
  7. J

    towing capacity 2017 chev suburban

    Just bought a 2017 chev suburban LT4wd does not have a factory tow pkg I have a number of concerns I have a 24 ft boat wt aprox 4500 empty +1500 trailer+gear est wt7000 lb issues 1st Factory hidden hitch is this adequate for this much wt. This hitch is mounted to the back side of the bumper my...
  8. J

    reg or prem fuel ?

    I have a new 383 crate motor from Merc I am running premium fuel in it because I am uncomfortable w/ethenol in the fuel system merc says reg fuel w/ 87 rating is ok any thoughts
  9. J

    gearshift problem ?

    96 Bravo 3 single gearshift I was cruising down the river, needed fuel . Pulled up to the pump for fuel put it in neutral shut it off . Restarted motor, unable to put in forward gear. I was able to put it in reverse, after 3 or 4 times in reverse and back to neutral I was able to...
  10. J

    hydrolocked ?

    gm 350 v8 bravo3 dealer says I hydrolocked it at boat launch. I do run it onto the trailer w/ engine power . could this be the problem? This is a 24 ft boat. If so how do I avoid this issue in the future?
  11. J

    383 reman bravo4v from Mercruiser

    Just Bought a reman 383bravo 4v from Merc What an incredible machine Just curious if any one else has bought one ?
  12. J

    engine gernaded

    Old engine dropped a valve now its done. I replaced it w/ a remanufactured carbed magnum 383 stroker from Merc a complete repower swap. Merc Claims 350 hp & 425 # of torque. Has anyone else bought one of these? I am interested to find out if they are happy w/ it.
  13. J

    mercruiser 383 stroker repower carbed mag package

    has anyone bought one of these ? if so, are you happy w/ it? any problems is it what merc claims it is?
  14. J

    96 mercruiser power trim

    power trim has worked fine up until now raised unit all the way up then would not go back down I could hear the switch/relay working at the pump after 6 or 7 tries the pump started working again. has been ok since my concern is that this is the start of a real problem with the unit . any...
  15. J

    raw gas

    Is it normal to have raw gas odor at high idle cruising found no leaks odor went away at cruising speed ?
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