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    3.7lx new rebuild

    hi again been battling with this build for some time .everything was replaced internally except crank and timing chain (as its no longer available) new pistons and rings averaging about 135 psi per cylinder. brand new head exhaust manifold was repaired (welded and machined flat ) around the...
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    2017 20 hp honda electric start

    hi all I purchased a 20 hp honda last fall that had about 20 hours on it sense then I put probably about 30 hours on it without issue last weekend I had my kids out tubing and about a hour of running it completely quit started up and quit again... sense then it hasn't ever made a gesture of...
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    electronic ignition 3.7 lx (470)

    ok everyone I now have engine running somewhat so now I have fire and it will start briefly but keeps running out of fuel now .. if I pump the shifter to add fuel to the carb it will start for a bit till it runs out of fuel and then quits .. just sprayed the carb with seafoam and removed the...
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    electronic ignition 3.7 lx (470)

    just swapped the coil and still nothing . think I might swap out the ignitor and see if that does anything. not a huge job so might as well nothing else is working LOL
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    electronic ignition 3.7 lx (470)

    it's a pertronic ignitor D57-22 ignition module I swapped the button out of the second (running ) motor and seems to fit alot better and does not spin on armature like the other one did but still won't start .. going to swap out coil from other motor and try that and I also have a spare...
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    electronic ignition 3.7 lx (470)

    yes it's all removed and there is a black pickup I believe on the bottom where the points would have been running on the armature but the rotor button only goes down to the top of it and is stopping the button from going down any farther. that's why I wonder if there is a different button the...
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    electronic ignition 3.7 lx (470)

    thanks Eric is the rotor button for the electronic ignition and the rotor button for the points different . the one I have is about 1/8-1/4 " to long in the armature hole not allowing the tab to go into the notch. think the button itself is the right height overall but hole on the center...
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    electronic ignition 3.7 lx (470)

    hi all just did a complete rebuild on my 3.7 but now it wont start .. it has a electronic ignition installed by previous owner but upon closer inspection of the distrubitor i noticed the button notch doesnt go down far enough to maye into the notch on the top of the distributor shaft.. so im...
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    3.7lx merccruiser starter issues.

    Bolth brand new starters. Think I found the issue found a broken ground wire and now 1 motor is cranking nice and fast . Have second motors waterpump apart to replace the seals so hoping it has resolved the issue with that one as well
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    3.7lx merccruiser starter issues.

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    3.7lx merccruiser starter issues.

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    3.7lx merccruiser starter issues.

    Still no farther ahead Pulled perko switch and eliminated the second factory fuse as there is one already attached to the donkey **** cleaned all the connections on perko switch but still no better.. Could the internal of the switch be the cause as it does the same on each motor so thinking its...
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    3.7lx merccruiser starter issues.

    Didn't sand them but polished them with a heavy grit scotch pad thing on the end of a drill they were super clean ..I like the varnish idea and will do that once I have this figured out . I going to pull factory battery switch out tomorrow and see if there is any issues with the connections on...
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    3.7lx merccruiser starter issues.

    Yup all wires are the same size . They are grounded to the back of the block Although these are aluminum blocks do you think that might have something to do with it? And the battery switch I do believe is original to the boat which I think is a 1988ish
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    3.7lx merccruiser starter issues.

    It's a Wilson brand Dr 10 Mt
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    3.7lx merccruiser starter issues.

    Hi all . I'm in need of some help to get boat up and running for the season . I have a 28'carver with twin 3.7 lx motors . One was a fresh rebuild last year and just reinstalled a freshly rebuit motor a couple weeks ago.. Ever sense I owned the boat it rolls over slowly barely fast enough to...
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