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  1. W

    150 EFI charging problems

    1996 Mariner 150 EFI,problem is, when running down the lake the volt meter is pegged over 16 volts.Any suggestions appreciated
  2. W

    Year model of 850/ plus a few questions

    serial# 4595143. was given to me by previous owner.He claims it got hot and quit him on the lake.I have the controller,so I put it on a stand and connected a battery.pulled all the plugs and compression is 140 psi for every cylinder plus or minus 5 psi.I think the motor is probably ok,except...
  3. W

    1500 thermostat question?

    Basically,does it have a t-stat?I replaced water pump impellor, now motor dosent seem to build any heat. should the pee stream ever warm up?or is it normal for stream to always be cold?
  4. W

    spark plug question

    Can anyone tell me the correct spark plug for a 1977 1500 merc 6 cylinder?
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    dumb question about replacement prop

    replacing prop on older 1500 mercury.new prop is identical # as old prop,but there are 3 small holes at the base of the prop,right in front of each blade on the old prop.there are no holes in the new prop,can someone tell me what these are for,and are they neccesary?
  6. W

    Dirty fuel tank

    Boat has set for a few years,looks like all gas evaporated and left sticky oily residue.tryed just adding gas,but dosent seem to be cutting it.Any suggestions how to properly clean tank? its a plastic tank.thanks for any help
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