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Just Cracked the Frame... What went wrong

Discussion in 'Tech' started by RoidRageFool, Dec 20, 2022.

  1. RoidRageFool

    RoidRageFool @FundedByWifeRacing

    I will try to keep it to the point. Note this is not my first time pulling a motor, but I know mistakes were made somewhere . I want some input so it doesn't happen when I pull the second motor.

    2013 ZX6R on front headlift and rear stand. Wheels still on, suspension still on. Jack placed under motor. Main engine bolts loosened. (Maybe needed to loosen the lower engine bold more. Removed top and middle engine bolts. Jack still under motor. Went to remove lower engine bolt and found it to be tight. Tried to take some pressure off of it, still tight. Thought maybe it was just put on too tight last time. Turned it, and snap. Cracked the bottom of the frame. Where did I make my mistake?
     
  2. Steeltoe

    Steeltoe What's my move?

    Maybe should have started at the bottom and worked your way up?
     
  3. voss555

    voss555 Well-Known Member

    The bottom one towards the rear? If I remember right that one has the adjuster for the frame? You have to take the nut off from the left side and then turn bolt in clockwise to relieve tension and then slide the bolt out.
     
    RoidRageFool and R/T Performance like this.
  4. RoidRageFool

    RoidRageFool @FundedByWifeRacing

    That would be the spot. If this is true then I was tightening it up and cracked it. Now I know why I still can’t get the motor out. Hopefully I didn’t strip anything. Thanks for the feedback
     
    R/T Performance likes this.
  5. noles19

    noles19 Well-Known Member

    Ive always found it's a good idea to break all the bolts loose before removing any of them.
     
    beac83 and RoidRageFool like this.
  6. RoidRageFool

    RoidRageFool @FundedByWifeRacing

    I’m with you. I thought I had to loose enough.
     
  7. tawzx12r

    tawzx12r Influencer to none

    For fucks sake. Follow the manual.
     
  8. gapman789

    gapman789 Well-Known Member

    That's plain funny right there.:crackup: Who does that?
     
    RoidRageFool likes this.
  9. Wheel Bearing

    Wheel Bearing Professional low sider

    Kawi's have a sequence to remove and install motors. Guess this will be one of those things that's learned from experience vice wisdom.
     
    RoidRageFool likes this.
  10. fastfreddie

    fastfreddie Midnight Oil Garage

    And for those of you that "trust" your bikes came from the factory properly assembled, trust not. Not to mention it still has a final assembly at the dealership, by the new guy, who may have been a former heavy truck mechanic, whose choice of tools for any job will be overkill.
    No bike is yours 'til you own it. To own it, I mean you've taken it down to the frame and back, properly, while correcting the discrepancies. Now it's the new best friend that you trust with your life.
     
    doubleapex likes this.
  11. TurboBlew

    TurboBlew Registers Abusers

    he got the experience immediately after he needed it... hehe
     
  12. TurboBlew

    TurboBlew Registers Abusers

    in what world do you live in where a heavy truck mechanic switches to power sports?? :)
     
    Boman Forklift likes this.
  13. fastfreddie

    fastfreddie Midnight Oil Garage

    Just tryin' to illustrate a point. I could have said AMI grad. ;)
    Everyone wants to be a motorsports technician...and some places will take anyone just to have a janitor when there's no bikes to assemble. :D
     
  14. RoidRageFool

    RoidRageFool @FundedByWifeRacing

    Worst part about this is I had looked at it earlier in the day on my computer and didn’t go back and check when I was having a problem. Shit happens and another lesson learned that I won’t forget.


    Correct, Top, middle, bottom. There will be more lessons learned I am sure.

    100% accurate.
     
  15. TurboBlew

    TurboBlew Registers Abusers

    powersports are so specialized these days one could specialize in a specific street or dirt or side by sides or personal watercraft model and do well enough.
     
  16. gapman789

    gapman789 Well-Known Member

    So do GSXR's....They have thrust (threaded) spacers at the rear motor mounts that have to be dealt with once the outer nut is taken off the motor mount bolt(s).
     
  17. fastfreddie

    fastfreddie Midnight Oil Garage

    I don't live in those areas, but I could do okay only taking in customers with "competition-style" 2 or 4 wheelers while being selective about what I take in.
    That means I would not work on neglected, mud-caked utility vehicles, bikes with finicky and expensive OEM bodywork, anything Euro...or clapped out SVs. :D

    My previous comments were geared towards looking over one's "new" bike cuz I guaranty there will be discrepancies. Some may merely be acceptable so-so issues easily resolved, while others are completely of the WTF were they doing variety.

    Honda's have their version as well.
     
  18. TurboBlew

    TurboBlew Registers Abusers

    oh yeah I get that. A good friend, who has been wrenching on bikes for years, flat out refuses to work on anything with more than 2 wheels or snorkels. Sorry tricycle riders...lol

    There used to be a dirtbike shop here the guy would get $300 for a "new bike service" Basically uneffing what local dealer techs did or didnt do to prep a fresh dirtbike, adding zerks, maintenance items, & setting up the sag/suspension for the owners. He had hundreds of hours worth of work every week.
    A first I thought... man your customers must be rich!
    Now I see what a bargain it was.
     
  19. Saiyan66

    Saiyan66 Stand your ground

    Just exactly how much "assembly" is there by the techs at a dealership when they uncrate a bike? I was assuming there wasn't much. Now you guys are making it sound like they install the motors in the frame and stuff.
     
    Boman Forklift likes this.
  20. Shenanigans

    Shenanigans in Mr.Rogers neighborhood

    Peter Hively likes this.

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