Ignition System Wiring Design & Diagnostic On A Vintage Honda Motorcycle (1965-1977)

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  • Опубліковано 2 лип 2024
  • Buy a Test Light: www.common-motor.com/test-lig...
    Read our full techinical article: common-motor.zendesk.com/know...
    Be sure to watch our understanding ground circuit and positive circuit before troubleshooting your ignition circuit:
    • Understanding the Grou...
    • Understand the Positiv...
    Like most of the circuits on a vintage Honda motorcycle, the ignition system circuit is incredibly simple. With basic knowledge of the circuit and test light, you can diagnose issues and fix them to keep cruising down the road. In this article, we are going to help you understand the basics of the factory Honda ignition system wiring and how to individually test each component to discover what is at fault and what works as it should.
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    • CB175/CL175/SL175/CB20...
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    • CB350F / CB400F
    _________________________________
    Contents of this video:
    00:00 - Intro
    00:25 - Ignition system differences
    00:51 - Tracing the circuit
    03:08 - The simplified ignition system wiring diagram
    03:16 - The best way to test the ignition circuit
    03:53 - Testing continuity through the points
    06:51 - Testing for 12v positive power at the ignition coils
    08:48 - Testing for 12v positive power through the ignition coils
    10:21 - Testing the functionality of the ignition coils
    13:43 - Why is ignition timing important?
    14:34 - Wrap-up
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КОМЕНТАРІ • 23

  • @johnpawson7400
    @johnpawson7400 2 місяці тому

    Thank you so much from the UK

  • @btfeltcher
    @btfeltcher 4 місяці тому +4

    I’m so grateful for your videos. You are saving me HOURS of staring at diagrams and trial/error testing. Therefore, you are keeping me interested in the project. Thank you and the vintage Hondas I have thank you!

  • @windfall35
    @windfall35 3 місяці тому +1

    Common Motor Collective are my go-to channel on anything involving my classic Honda’s - clear, great filming so that I can see what we’re looking at and they talk out loud about what goes into their diagnosis and trouble shooting thinking. The Gold Standard- Thanks guys!

  • @user-up3xp7xb9r
    @user-up3xp7xb9r Місяць тому

    Beautifully explained! Thank you SO MUCH form Italy& UK !

  • @Bertoslav
    @Bertoslav 2 місяці тому

    Really hoping this helps me get my bike on the road, I'll try it tomorrow. Thanks!

  • @williamhaines856
    @williamhaines856 Рік тому +6

    thank u brendan very well told we beginners need it told slow and clear every detail ur the best

  • @user-uz8fo6mu6f
    @user-uz8fo6mu6f 3 місяці тому

    great video

  • @delwood77
    @delwood77 Рік тому +1

    I've been rebuilding bikes in my spare time since the late 1980's and I've never seen this process explained so clearly and thoroughly. My bike mentor and guru back then was a great mechanic and man named David Brigham Young (Salt Lake City) and I always wished there was some way to capture and share his knowledge with the bike world. I feel like you guys are accomplishing that work. Thank you.

  • @mg-lz3kk
    @mg-lz3kk Рік тому +2

    Another outstanding tutorial. Thanks for sharing.

  • @andyschuldt7580
    @andyschuldt7580 4 місяці тому

    Great explanatory video sir. Thx for taking the time to explain the system in detail.

  • @kaa5666
    @kaa5666 Рік тому +2

    Very well explained. Beautiful video. thank you guys.

  • @paulaskill3660
    @paulaskill3660 Рік тому

    Agreed! A super tutorial well explained. Many thanks

  • @kermitthefrog6363
    @kermitthefrog6363 Рік тому

    Thanks again for a great video it is appreciated!!

  • @plusblood5101
    @plusblood5101 3 місяці тому

    Supercharged video

  • @flythenride
    @flythenride Рік тому

    Great explanation of the ignition system… Thank you! 🙏🏻 I have a 1975 CB400 Four that’s been upgraded to an electronic points system. Would this video apply to it as well? Thanks in advance.

  • @Jepson75
    @Jepson75 27 днів тому

    I'm probably a bit stupid at the moment. But where do I get the +6V to the coil on my XL250 1973?
    No spark, and I can't find out why. Coil works and spark plug's new.
    The bike did run TO the MOT, during the MOT....but not on the way home, and not since.

  • @zebradrz
    @zebradrz Місяць тому

    What happens when you have power coming off your points all the time? My test light doesn’t shut off when the points open and close.

  • @benderbender1233
    @benderbender1233 Рік тому

    😎🤙

  • @fahadmuhammadnamadala5043
    @fahadmuhammadnamadala5043 7 місяців тому

    Hello B......
    Can a universal coil with the specifications of a CB350/400/450/500/550 HONDAs be compatible with the HONDA CM200T TWINSTAR?????

  • @blakeepperson3902
    @blakeepperson3902 Рік тому

    I have yet to start my bike. Almost there. I’m setting points and testing the electrical system. My ignition switch has 3 settings. Is this similar to the kill switch (off/on/off)? Dumb question but double checking

    • @breakingthemasks
      @breakingthemasks 18 днів тому

      As I understand it, thatbos commonly off/ run/ and thr last position can be a sort of "standing/parking mode" where the lights are on while the bike is stopped.
      Something about being safer if you're pulled off on the shoulder of a road because then at least cars can see your taillights and such.

  • @blackeyesquirrel7003
    @blackeyesquirrel7003 Рік тому

    Well I went through this whole process and I didn’t get spark when I hit the kick starter. Now I’m lost in the sauce.

  • @kingRichardlovesyou
    @kingRichardlovesyou 3 місяці тому

    Really 😅