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  1. scottn83

    BOSS MR1589DI

    I have a BOSS head unit have had in the boat for about 3 summers worked one day and then not the next there is a red flashing light but no other indication there is power to the head unit. I did check voltage to the unit it s good. Has anyone else had this issue would love to get it back...
  2. scottn83

    Choke plate on a mercruiser 3.0

    When i stop the engine and try to restart it doesn't want to start turns over but doesn't fire. When it is running i notice the choke plate just flops around the electric choke does keep it from closing but it will move about 80% of the full movement of the plate. When i have trouble starting...
  3. scottn83

    3.0 wont start after it warms up

    I have a 3.0 Mercruiser it will start first time fine but after warming up and then sitting 1/2 hour just refuses to fire off. It will start if you shut it down and then start it right back up. Can anyone point me at some things to check that could be causing this
  4. scottn83

    Alpha One outdrives seemes to be locking up the 3.0

    I had a throttle cable issue, over revved the motor thought i had lock up the motor. Pulled the outdrive and found now i could turn the motor over as well as start. Then checked the outdrive seems to turn the drive shaft when rotating the prop by hand in fwd and rev but and not in neutral which...
  5. scottn83

    3.0 mercruiser missing on top end

    I have a 1983 3.0 alpha 1 on a 17ft cheetah runabout prop is a stainless steel diameter 14" 19 Pitch First of all the problem is at about 2800 rpm's(30mph) sounds like it was missing, rattling defiantly a change in the sound of the motor if i push through it will settle back to normal around...
  6. scottn83

    shift cable alignment

    I have read the sticky and followed the alignment procedure there. I did the alignment and when I push my throttle all the way in forward it locks in counter clockwise and spins clockwise freely go to neutral and it spins both ways and in reverse locks clockwise and spins free counter...
  7. scottn83

    exhaust bellows failure

    I replaced my exhaust bellows along with the shift cable and u joint bellows went out one time and the exhaust bellows was shredded when i got back. I did have an major engine failure (broke a rod) but don't believe it over heated would anything other than over heating cause this failure the...
  8. scottn83

    installing stereo with no exisiting wiring help needed

    I need some tunes in the ol runabout. I purchased a Boss head unit MR1580DI a set of Infinity Reference 612m 6.5-Inch a set of Infinity Reference 6912m 6 x 9-Inch and a MB Quart Marine NAU460 240-Watt. I have got a 6in and a 6x9 paralleled for one other 6 in and 6x9 Paralleled for the second...
  9. scottn83

    diz 180 out

    will a mercrusier 3.0l run if the distrubtor is 180 out. I rebuilt mine and broke a rod 1 hr into the trip. Would like to know why before i start over
  10. scottn83

    backfire

    compression 1 and 4 100 psi 2 and 3 60psi it will not fire but back fire any suggestions ?
  11. scottn83

    3.0 mercruiser head gasket

    Does the 3.0 use the same head gasket as the 2.5L car engine? Iboats has the same parts for the 2.5 and 3.0 mercruser head gasket . I had a look online but the pic they have doesnt look the same as my 3.0 gasket.
  12. scottn83

    should i be concerned

    Should i worry if i drop the oil pan and find this :facepalm: I think this was caused by my timing way to far advance cause i am a dumb ***** What do you think freshly rebuild motor
  13. scottn83

    wont shift into reverse

    OK, So i have had my out drive off a couple of times and also the throttle off to replace the vinyl. I cant get my alpha one out drive into reverse. Looking at the shift shaft on the out drive it looks like it points striaght forward when in drive then about 40 deg clockwise in neutral and...
  14. scottn83

    Tools and safety equipment

    I bought a boat and am restoring it and soon will be ready to splash it. I would like to know what you all think about what to store on the boat. As far as what is required I know i must have a life jacket for each passenger and a fire extinguisher what else is REQUIRED. Tools I would like to...
  15. scottn83

    Ideas for my dash

    Ok know that the vinyl is almost finished looking ahead to the the next upgrade. The last vinyl that will be changed is the dash panel I would like to upgrade the dash. After looking at pricing for gauges I will keep the ones that are in the dash it looks like they all are working. I am going to...
  16. scottn83

    repairing whole on the top of my runabout

    How to repair the gunnel wall(I think that is what it is called) top section were the windshield and chrome rail mounts. When I got the boat it was missing the chrome rail which is fine with me don't really like them anyway. Some of the mounts were missing or under a bad repair. The mounting...
  17. scottn83

    first start after a rebuild of a merc 3.0 L

    Ok i have completed the rebuild of my 3.0L merc. I want to get it started before putting it back in the boat. I have tried to start it but it wont fire there is 12 volts to the coil after i figured out that you need to jumper were the starter wire that comes through the wiring plug which was...
  18. scottn83

    carb and fuel pump connections

    I have just finished the overhaul of a 3.0L mercruiser with the carter low flow fuel pump and I believe i have a rochester 2gc carburetor I have a couple of questions on the fuel pump and carb. When i pulled the motor out of the boat there was a clear tube connected to the carb and then just...
  19. scottn83

    flat top pistons

    I am rebuilding a Mercrusier 3.0L and i have access to a set of flat top pistons for 1/2 the price of the new ones from a online supplier . The pistons that came out of the engine have a d cup in the top. Can I use the flat tops in this engine or can they only be used in the 3.0LX.
  20. scottn83

    getting rid of rust

    i searched for evapo-rust on the forum and found a few posts that where just suggestions so thought i would post a before and after pic of a bolt i put in the stuff. I also got some rings unstuck form some pistons with this stuff i think it is great. It is a bit pricey but not to bad. The bad...
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