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Pinned So what have you done to your bike today?

Discussion in 'The Pub' started by kiffsta, Nov 3, 2013.

  1. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    Don't you hate that. The rattle is a worry, how's the cam chain tensioner? Double check the timing and valve clearances. The rattle could just be unbalanced charges in the cylinders because you have a carby issue. Did you prime the carbies? How long since it was running?
     
  2. Unkepttoenails

    Unkepttoenails Demented

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    The tensioner seems all good but as far as I know there's no real spec , the timing is good it I've checked and checked and checked . Didn't check clearances that was silly of me and I'd say it was 2~3 weeks between in running but I did prime the carbs and everything . Always something to ruin the mojo

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  3. Gizziracer

    Gizziracer Well-Known Member Premium Member Contributing Member

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    If the bike was running ok before the valves were adjusted and now it’s not, go back and check valves again. Make sure the piston is at top dead centre on the cylinder your working on. It’s quire easy to make an error when using flywheel marks exclusively. Just gently drop a long screwdriver down spark plug hole and turn the engine over slowly by hand. Very easy to find top dead centre that way, then check flywheel mark, then check manual. If the Kawasaki manual is as horribly written as the Honda Spada japenglish it’s a wonder anyone ever gets these adjustments correct.
     
  4. Frankster

    Frankster See the World before you leave it Staff Member Premium Member Ride and Events Crew

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    Take a video and post it on YT with a link, so we can hear it running.
     
  5. kiffsta

    kiffsta Administrator Staff Member Dirty Wheel Club Contributing Member

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    Just finished fixing this old girl up , been parked for 8 years , fitted a new fuel pump, Replaced a fuse , swapped out a broken tail fairing and fitted some spare tyres I had in the shed , can’t believe it only has 19000 kms on clock.

    Should I keep it or sell it , heart said keep it. Back says come on man, you are 45 and you still remember the gsxr750 and Daytona 675 and what they did to your back

    056D2152-1595-4776-B06A-D6393D862A17.jpeg
     
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  6. Unkepttoenails

    Unkepttoenails Demented

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    I've the carbs off after work today I'll put them back together hopefully they'll work and I'll check to see how tdc is , the outer two cylinders seem to suck alot harder then the middle two when it's cranking . Unfortunately it's not running again so when it is I'll post a video thanks guys

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  7. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    Well I decided to try to balance the carbs in the ZXR, all that effort to find out they weren't even that bad. But I tried to adjust the idle mixture screw, and 2hours later... I had it back together. Carbs off so I could adjust the mixture screws, re-sync carbs, reassemble the bike and put the other bikes away (I was at work). But not sure I didn't make it worse. Sigh. I am not a fan of carbies. Mind you, my fuel injected bike needs tuning, too.

    And there is a lot of gearbox/clutch rattle. A problem for another day.
     
  8. Linkin

    Linkin The Apprentice Premium Member Dirty Wheel Club Contributing Member

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    Mine had that, thought it was the clutch, it wasn't. New rings, overhaul carbs and balanced to an inch of its life, it still rattled. I suspected broken rang on water pump / oil pump shaft, never split the motor to confirm.
     
  9. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    Mine seems to be gearbox/clutch: the rattle goes away if you have it on gear and start letting the clutch out. Yet to try starting it cold after messing with the carbies
     
  10. Linkin

    Linkin The Apprentice Premium Member Dirty Wheel Club Contributing Member

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    Mine also did this, if you end up pulling it apart let me know what you find.
     
  11. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    I assure you, I won't be going to half the effort you went to, let alone splitting the cases.

    Something I noticed last night was I suspect that I have an air leaks in cyl 3.
    IMG_20190919_174941.jpg
    It's a little high at idle.
    IMG_20190919_175017.jpg
    Low at slight revs. Maybe?
     
  12. Linkin

    Linkin The Apprentice Premium Member Dirty Wheel Club Contributing Member

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    OK, first thing would be manifolds, vacuum lines, and carb t-piece o-rings if you haven't done those already.
     
  13. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    Yeah, nah. Too lazy. It's not that big of an issue.
     
  14. Unkepttoenails

    Unkepttoenails Demented

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    Carbs jets for the A model are n52x for cylinder 2 and 3 and a 76A for the outer too . My needles are all N76 and a funky looking B . My question is what difference is this compared to what should be in it and I can only seem to find n52 needles are they the same as n52x ? Thanks for all of the help guys

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  15. Frankster

    Frankster See the World before you leave it Staff Member Premium Member Ride and Events Crew

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    I too have an engine that does this. Annoying more than anything, but I will have to find the cause eventually.
     
  16. Frankster

    Frankster See the World before you leave it Staff Member Premium Member Ride and Events Crew

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    Carb Needles

    A1-A2: All 4 jet needles are: N76B (125:128:128:125) 55mm long

    B1-B2: Outside cylinders: N76A Inside cylinders: N52X

    C1, C2 & C3: All 4 jet needles are: N76U or N76V

    D1: All 4 jet needles are: N76V

    C4, C5 & C7: All 4 jet needles are: N1QW
     
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  17. Gizziracer

    Gizziracer Well-Known Member Premium Member Contributing Member

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    1B78FBCA-BEBA-474B-A0A6-74D797969E3D.jpeg Frame painted ready to begin vtr rebuild/ resurrection from stat write off
     
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  18. Unkepttoenails

    Unkepttoenails Demented

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    @Frankster thank you

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  19. ShaneP

    ShaneP Well-Known Member Premium Member Contributing Member

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    It took until 5pm to start working on anything (after studies, visits from nephews, fixing other people's bike). So I thought I'd prep the RS125 for RWC and a track day. Well, I seem to have gone backwards, I've just kept pulling things off. Gave it a wash.
     
  20. GreyImport

    GreyImport Administrator Staff Member The Big Cheese Contributing Member

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    fairing scrub up (Small).png
     
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