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Thread: Firing order

  1. #1

    Firing order

    I have a 2019 Yamaha EX Series 3 cylinder. We are trying to get the timing, correct shims in place and firing order on this machine. Cams, valves, buckets & shims was in a box when we got it. We had to replace all crank shaft and bearing and new pistons and rods. Now just trying to make sure we get it in time, valves and buckets on right valves and firing order.
    Any help would be Greatly Appreciated!
    Thanks

  2. #2
    Hurricane1000's Avatar
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    Buy or look at a factory service manual.

    You can't go wrong with that!

    Dave

  3. #3
    Much agreed, just can’t find one in stock or online to pay to download for this exact model and year. Any ideas?

    Thanks


  4. #4
    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by motormadness View Post
    Ö canít find one in stock or online to pay to download for this exact model and year. Ö
    Yamaha offers their service manuals online. Online service manual access is rental only, meaning after the time period elapses you no longer have access.

    Printed copy can be ordered from the below link or from the GH online store.

    https://yamahapubs.com/home/search?category_id=9&year=2019&family_name=EX

  5. #5
    100 MILES OF HEAVEN AND I AM SMACK IN THE MIDDLE KEYZBUM's Avatar
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    try this
    timing pdf
    Attached Thumbnails Attached Thumbnails tr1 timing.pdf  

  6. #6
    Good deal! Thanks K447 & Keyzbum!

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