Kawasaki KX100 & KX85 Engine Rebuild | Part 3: Bottom End Reassembly

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  • เผยแพร่เมื่อ 15 ก.ย. 2024
  • Kawasaki KX85 & KX100 Engine Rebuild:
    www.rockymount...
    Whether your Kawasaki KX85 or KX100 is burning oil and in need of a top end refresh or you had a catastrophic engine failure that resulted in a complete top and bottom end rebuild, we've got you covered with our KX100 & KX85 Engine Rebuild series. In part 3, Charles shows the proper procedure for bottom end reassembly for Kawasaki KX85 and KX100 2 stroke dirt bikes.
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ความคิดเห็น • 58

  • @Minibikes_with_Dallas
    @Minibikes_with_Dallas ปีที่แล้ว +9

    Tourque bolt to 78 inch pounds "uses t hanlde" 😂 but this video has helped so much part 1-4 thank you rocky mountain

    • @rmatvmc
      @rmatvmc  ปีที่แล้ว

      Glad the video helped out! Thanks for watching.

  • @shanewilliams8768
    @shanewilliams8768 2 ปีที่แล้ว +3

    2003 kx100 was my first dirtbike I got when I was 13. I got it with locked up engine in boxes for putting a transmission into a friend's Camaro. I put a wiseco crank into it, got it all together, and beat that thing for years with zero maintenance as a dumb kid. After I got rid of it I missed it so bad that I bought another 2013 kx100 "preferred body style" that now sits among my 250 2t collection. I Love these little bikes!

    • @Blakely829
      @Blakely829 ปีที่แล้ว +2

      I’m currently building my first bike. It’s an 2003 kx85

    • @ostrichnews5011
      @ostrichnews5011 ปีที่แล้ว

      2007 kx100 was my first dirtbike i got when i was 13. I got it locked up with no compression in boxes. I put a new cylinder, head, and bottom end kit into it and got it all together. I’m planning to beat that thing with zero maintenance and then sell it and get anew kx100 when i miss it in a few years.

  • @dr.fulcrumballsworthy9360
    @dr.fulcrumballsworthy9360 2 ปีที่แล้ว +3

    I'm looking into maybe getting the KX100 I like the two strokes they're a lot of fun

  • @mattkramer2043
    @mattkramer2043 ปีที่แล้ว +1

    Thanks so much for putting this together. It was extremely helpful, couldn't have done the rebuild without it!

    • @rmatvmc
      @rmatvmc  ปีที่แล้ว

      Awesome! Glad it helped!

  • @leadhead7338
    @leadhead7338 2 ปีที่แล้ว +1

    These how to videos are excellent, great job and Thank You RMATV!

  • @pmgmotorcycles
    @pmgmotorcycles 2 ปีที่แล้ว +1

    Quite well detail and explanatory video ! Thanks for sharing.

  • @Operation_Far_North
    @Operation_Far_North 2 ปีที่แล้ว +1

    Brilliant. Thank you!!

  • @tommybiggers8496
    @tommybiggers8496 ปีที่แล้ว +2

    No gasket for split cases?

  • @jamisonmcnally2597
    @jamisonmcnally2597 2 ปีที่แล้ว +1

    Super helpful thanks for the vid

  • @julianspielberg5844
    @julianspielberg5844 2 ปีที่แล้ว +2

    Do you have any advice on finding parts for older bikes? I have an 87 kx80 and I need a top end for it, same for an 87 kdx80

  • @larrywarner9314
    @larrywarner9314 2 ปีที่แล้ว +3

    I usually put the crank in the freezer so I have plenty of time

    • @ahole5407
      @ahole5407 ปีที่แล้ว

      As do most people that actually know what they are doing. 😂
      Did you see how he was afraid of the torch when he was using it?

    • @michaelhernandez8102
      @michaelhernandez8102 ปีที่แล้ว

      @@ahole5407 Charles is the goat

    • @ahole5407
      @ahole5407 ปีที่แล้ว

      @@michaelhernandez8102 yeah I have eaten Goat before.. don't like it

    • @ruthhenderson4312
      @ruthhenderson4312 2 หลายเดือนก่อน

      Yea me to

  • @bassprough7735
    @bassprough7735 ปีที่แล้ว +1

    i recently put my bottem end back together and the transmission is very stiff and will not spin freely. but it will spin wil pliers. i have checked everything and cannot find the issue as i have split it 3 times already. any thoughts?

  • @theboogieman401
    @theboogieman401 2 ปีที่แล้ว

    Just picked up a 2014 kx85 the year thwy got 20% power !

  • @c4k3t0otz6
    @c4k3t0otz6 3 หลายเดือนก่อน

    what ever you do, make sure that shift shaft is in all the way.... i thought mine was and when i went to torque the cover i cracked the case.

  • @aaronkepsel5651
    @aaronkepsel5651 2 ปีที่แล้ว +1

    What year is this engine?
    I see you installed a fly wheel weight.
    I am rebuilding a 2002 kx85. I cant find a flywheel weight on the OEM parts list.
    Thanks

  • @eukiakaczmarek7132
    @eukiakaczmarek7132 ปีที่แล้ว +1

    What part number is the advancer gear and the actuating arm? What is their purpose? Do I absolutely need them? I don’t have those parts. Someone got into this engine before me and didn’t put it back together properly.

    • @tylerburnell7306
      @tylerburnell7306 ปีที่แล้ว +2

      Yes, I think you need those. They operate the power valve. The bike might run and ride without it, but it WON’T reach its full power.

  • @RX-kc4xv
    @RX-kc4xv 6 หลายเดือนก่อน

    Hi I just wondering it’s rubber grommet breathe hose

  • @JacobBaumgardner-ig7pm
    @JacobBaumgardner-ig7pm 4 หลายเดือนก่อน

    Which bearings are the ones from 4:57-5:01? I can’t find them in my kit

  • @Andwhat85
    @Andwhat85 2 หลายเดือนก่อน

    Are u not supposed to use a gasket when putting cases together or some gasket maker?

    • @rmatvmc
      @rmatvmc  2 หลายเดือนก่อน +1

      Yes, you are supposed to. 10:07 We use Permatex gasket maker.

  • @BBoutdoors809
    @BBoutdoors809 2 ปีที่แล้ว +1

    My wrench rabbit rebuild kit is missing the 2 small bearings shown at 4:59. Is there another bearing kit I am missing?

    • @rmatvmc
      @rmatvmc  2 ปีที่แล้ว

      Are they out already? If they are smooth and in good condition you can probably re-use them. I believe we used OE bearings there and the kit doesn't come with them. Get me the part number for your bike and I'll verify. -Charles

    • @ahole5407
      @ahole5407 ปีที่แล้ว

      That's how they get ya. You should have bought factory OEM parts to begin with. Sit down at the parts desk and get to know the guy that works on these bikes and you will be much better off.
      My guess is that this "kit" is a bunch of chinesium pot metal and rubber that won't fit or last in the first place.

  • @jeppe2313
    @jeppe2313 2 ปีที่แล้ว

    Is the kickstart shaft and kickstart gear one unit or is it presssed together

  • @nathaniel.h7124
    @nathaniel.h7124 6 หลายเดือนก่อน

    14:19 i can keep turning in the second and third gear at the other gears it locks up should this be alright? Cause it’s not shown in the video…

  • @gazking08mx
    @gazking08mx 2 ปีที่แล้ว

    The manual says to put waterpump seal opitisite way round to the way you done it

    • @davidpalmer287
      @davidpalmer287 ปีที่แล้ว

      Are you sure you are reading the right manual because the manual i have said to do just as he did with the hard side facing the bearing

  • @jimberry742
    @jimberry742 2 ปีที่แล้ว +2

    No case half gasket or liquid gasket? I have a 2000 KX-100 Thanks

  • @kievmiddeton2656
    @kievmiddeton2656 ปีที่แล้ว +1

    Is some of this applicable to the kx125’s? I got a 96’ kx125 I’m trying to rebuild?

    • @rmatvmc
      @rmatvmc  ปีที่แล้ว +3

      It's all similar. Give this video a watch as well: th-cam.com/video/dmJK3enfOsU/w-d-xo.html Then just use your service manual for it and you should be good to go! -Charles

    • @kievmiddeton2656
      @kievmiddeton2656 ปีที่แล้ว +1

      @@rmatvmc thanks Charles!

  • @emilhedqvist
    @emilhedqvist 2 ปีที่แล้ว

    Does the kx85 2010 engine look the same??

  • @kassu6374
    @kassu6374 9 หลายเดือนก่อน

    Why the star doesnt move in my motor when trying to rotate?

    • @rmatvmc
      @rmatvmc  9 หลายเดือนก่อน

      Can you post a time stamp of which "star" you're talking about?

  • @leonardthompson3530
    @leonardthompson3530 ปีที่แล้ว

    how centered does the crank have to be after you get it in the cases no binding when turning the crank ?

    • @rmatvmc
      @rmatvmc  ปีที่แล้ว

      That is correct. The crank should be able to spin freely.

  • @marcanderson6681
    @marcanderson6681 2 ปีที่แล้ว +1

    idk what i did but my clutch doesn't work now ahahha

    • @rmatvmc
      @rmatvmc  2 ปีที่แล้ว

      It won't engage, or won't disengage? -Charles

  • @kx1008
    @kx1008 2 ปีที่แล้ว

    👍🏻👍🏻👍🏻

  • @DVTV85
    @DVTV85 ปีที่แล้ว

    Would this same rebuild process apply to a yz85? Sorry im just gettint into bikes

    • @jackscott5144
      @jackscott5144 ปีที่แล้ว

      Pretty much the same for all 2 strokes buddy

    • @mikewake4224
      @mikewake4224 ปีที่แล้ว

      @@jackscott5144 My friend has this 2016 KX100 he bought for about $650 he needs the crankshaft, bearings, seals & gaskets replaced, do you think it would be worth it? He's planning on riding it only for a little then wants to sell for profit.

  • @ahole5407
    @ahole5407 ปีที่แล้ว +2

    $2000 worth of work for a bike that isn't worth $500 😂
    At least clean it up a bit with all the work you put into it. Vapor blasting is cheap.
    Might as well flow and trench the cases while your down there too. Get your money's worth 😂

    • @mikewake4224
      @mikewake4224 ปีที่แล้ว

      You definitely don’t know shit about bikes let alone business, I only spent about $450 full rebuild for my kx100 sold for $3200 and $300 for 85 sold for $2400

    • @mikewake4224
      @mikewake4224 ปีที่แล้ว

      They are replacing like everything to show people how, and cuz it costs them pretty much nothing

    • @davidpalmer287
      @davidpalmer287 ปีที่แล้ว

      You watched the video so joke is on you. This video is gold for people who dont want to pay a mechanic to rebuild a motor.