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  1. 8

    Garmin echomap uhd 73 sv

    Purchased a BlueChart g2 vision HD map Brownsville - Key Largo VUS515L v2018.52 that loads in echomap uhd 73sv. It shows in my unit that it read maps but detail does not show. Has anyone else had this problem? Would appreciate any help. Thanks
  2. 8

    Garmin Echomap UHD 73sv

    Purchased garmin bluechart g2 vision HD Brownsville to - Key Largo map. This map will load in my Echomap UHD 73sv but chart detail does not display. Works just fine with Homeport on computer. Has any other boater had this problem? Any information will be appreciated.
  3. 8

    Lowrance Lcx-15 ci

    Does any one know how to reset the GPS EOW date and time for this unit. I have a LGC-12W antenna which works but will not register correct time and date. I have searched extensively for about a week with no results. I know this is a very old unit but I would like to try to fix it. I also have...
  4. 8

    1985 johnson Gt 150

    I own a 1985 Johnson GT 150 hp. outboard with updated head gaskets to lower compression as a fix for unleaded fuel. It originally used gapless spark plugs UL77V. My question is can I now use the Champion QL77JC4 plugs in this engine with my compression around 90 psi instead of original 125 psi...
  5. 8

    1985 johnson 150 compression ratings

    I have found that there is a lot of discussion concerning what the compression should be on a 80's model 90 degree cross flow Johnson- Evinrude 150 GT-XP engines. I purchased one in 1985 and the compression on my engine at that time was around 120 psi It wasn't long after that that it was...
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