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  1. #1

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    daytona 190 valve clearance

    valves need adjusting on the 190

    current inspection

    .0003 in -.004 ex


    what are you guys running

    .005 in - .007 ex or .005 in .005 ex ?

  2. #2
    my67xr's Avatar
    my67xr is offline Miniriders Legend and Master Spanner Spinning Moderator
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    I went in between the 2x recommended setting's, i'm running .006" on both the inlet and exhaust.

  3. #3

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    thanks mate

  4. #4

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    Quote Originally Posted by my67xr View Post
    I went in between the 2x recommended setting's, i'm running .006" on both the inlet and exhaust.
    I know this is an old thread but still very relevant as these are the go-to engines nowadays.
    Factory specs for valves are 0.05-0.07 mm! Not inches, which is 0.0020-0.0028 inches!

    Could be a typo from craig(my67xr) but doubt it.

    So what clearance are the Daytona guys actually running?

  5. #5

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    Are you sure mate? 004” - 006” (thousands of and inch) is a pretty common clearance for minibike engines.
    daytona 190 valve clearance

    04 Wr450 with tuned suspension
    05 wr450 motard with shiny bits
    2012 dpro 160 only part standard is the frame
    1982 z50r with Kitaco 75 kit and cam
    1973 Dax with a 140
    2006 crf50 with bar kit and suspension done

  6. #6

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    Quote Originally Posted by Cordogs View Post
    Are you sure mate? 004” - 006” (thousands of and inch) is a pretty common clearance for minibike engines.
    Yeah I know cordogs but had the owners manual right in front of me and it def says those specs I posted.......
    I just got my first 190 and bike runs good with those specs but had to drop pilot jet to a 39 from a 42, pe28, cos was way too rich on idle, plug was black and dripping wet!
    For now I have had to use my stock lxr/klx port header with 2 crush gaskets to run it in.
    No air leaks anywhere, all has sealed good.
    Just wondering whether the stock 32mm header and prob a bit of protruding gasket are making it run rich or the valves being set too tight??

  7. #7

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    Quote Originally Posted by AntNZ View Post
    Yeah I know cordogs but had the owners manual right in front of me and it def says those specs I posted.......
    I just got my first 190 and bike runs good with those specs but had to drop pilot jet to a 39 from a 42, pe28, cos was way too rich on idle, plug was black and dripping wet!
    For now I have had to use my stock lxr/klx port header with 2 crush gaskets to run it in.
    No air leaks anywhere, all has sealed good.
    Just wondering whether the stock 32mm header and prob a bit of protruding gasket are making it run rich or the valves being set too tight??
    Good to know man, Iím almost ready to fire my 212 up, still waiting on a few parts atm. Iíll double check mine before I do.
    Also its a bit of a relief to hear the 28mm could flood it, I bought the Yoshi 28mm DD for mine and was a bit worried it might be too small. daytona 190 valve clearance


    Sent from my iPhone using Tapatalk
    daytona 190 valve clearance

    04 Wr450 with tuned suspension
    05 wr450 motard with shiny bits
    2012 dpro 160 only part standard is the frame
    1982 z50r with Kitaco 75 kit and cam
    1973 Dax with a 140
    2006 crf50 with bar kit and suspension done

  8. #8

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    Have you bought a 212 or big boring a 190 you already have?
    From my understanding a smaller/ restrictive pipe will make the engine run rich!??
    Certainly the case for me.
    Engine runs clean all the way through the rev range but can def tell that it is held back from the stock pipe.
    I'm not riding it again till I get a pipe more suited to the 190, in the process of organising a ycf sp3 full system with power bomb for it, hope I can get it to fit in an lxr frame.

  9. #9

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    daytona 190 valve clearance

    Bought the 212 Fsm model.

    My pipe turned up today, shouldnít have any dramas with restrictions.


    Sent from my iPhone using Tapatalk
    daytona 190 valve clearance

    04 Wr450 with tuned suspension
    05 wr450 motard with shiny bits
    2012 dpro 160 only part standard is the frame
    1982 z50r with Kitaco 75 kit and cam
    1973 Dax with a 140
    2006 crf50 with bar kit and suspension done

  10. #10

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    Haha, that won't annoy the neighbours much!!
    What size-o/d header you using?

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