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Jlo 400 engine problems

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  • 6X6
    replied
    Originally posted by nate52 View Post
    i started looking again and noticed that i didn't have the engine grounded so i hooked up a ground wire to the engine bracket and it turned over great, but i started to get a little smoke coming from out behind the flywheel. so i'm going to pull the flywheel tomorrow and get a new points plate and go from there. thanks for the reply, i'll probably need more advice here in the next couple of days cause i'm bound to run into another snap along the way lol.

    Thanks
    Nate
    !!! If you're getting smoke, check your wiring. If the wiring was messed with, you could smoke a Charge or ignition coil. Points stuck closed should not make smoke. Also could be the regulator/rectifier. (Small grey box with fins) Make sure the yellow motor wires go to the ~ (A/C) side, and green wires to the D/C side. If it's backwards, the battery will cook the Regulator and charge coil. Here's the diagram.

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  • nate52
    replied
    i started looking again and noticed that i didn't have the engine grounded so i hooked up a ground wire to the engine bracket and it turned over great, but i started to get a little smoke coming from out behind the flywheel. so i'm going to pull the flywheel tomorrow and get a new points plate and go from there. thanks for the reply, i'll probably need more advice here in the next couple of days cause i'm bound to run into another snap along the way lol.

    Thanks
    Nate

    Leave a comment:


  • Don
    replied
    Hey, Nate;

    Try running a ground strap from the engine to the frame. Let us know how it goes.

    Leave a comment:


  • nate52
    started a topic Jlo 400 engine problems

    Jlo 400 engine problems

    i have a 400 cc rockwell jlo engine in an attex and went to turn it over today for the first time since i bought it and i think my points are stuck closed. reason being is that when i turn the key on i have power to the engine and can touch the engine anywhere and the test light will light up. i have power going into the crank and then two wires coming out to the coil packs which both have power. from there, there is two wires one from each coil pack that also have power which ground to the motor. if i'm correct the points are suppose to open therefore causeing these two wires to ground out and create spark to my spark plugs. what does everyone think?

    reason i ran across this is because when i turn the key over the solenoid just clicks and so i started tracing wires and the wire from the starter to the solenoid is hot with the key on due to the motor being hot and the wire from my starter terminal on my key switch to the solenoid is only hot when i turn the key to the start position.

    Nate
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