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  1. #1

    2003 MSX 140 not reaching full RPM, seeping onto cylinder head

    I have no particular problems except a runny patina on the cylinder 1 and 2.

    Performance is 52/58 mph but can not go beyond 6300 rpm, the two things could be related?
    Last edited by K447; 03-31-2014 at 09:59 AM.


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by fubellik77 View Post
    I have no particular problems except a runny patina on the cylinder 1 and 2. performance is 52/58 mph but can not go beyond 6300 rpm, the two things could be related?
    Should be moved to a new thread.

    What model and year is your Polaris?

  3. #3
    polaris msx 140 ho 2003,how can I move the discussion?

  4. #4
    PWC Addict lilman573's Avatar
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    I would start a new thread in the MSX/Matrix sub forum. Describe what you are seeing and people can comment on it in there.

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    New thread created.

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by fubellik77 View Post
    polaris msx 140 ho 2003 ...
    Cylinder compression?

    Correct spark plugs?

    How many running hours on this engine?

    Has it ever run properly for you, at full RPM (circa 6700-6900)?

    Salt water or fresh water?

  7. #7
    the pwc I bought it used I never reached more than 6300 rpm


    the previous owner bought the pwc as defective, it has settled after getting cable into the emm worn. also replaced the pistons and cylinders made ​​ricromare thinking to solve the problem, but the tours are not increased.


    I have not yet bought the tool to verify the compression


    also replaced the stator and tps


    ngk spark plugs are the correct


    The hour meter marks 201 h


    use in salt water


    are not unhappy with the performance, but I would like to have the pwc the most efficient possible

  8. #8
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by fubellik77 View Post
    ... the previous owner bought the pwc as defective, it has settled after getting cable into the emm worn.

    also replaced the pistons and cylinders made ​​ricromare thinking to solve the problem, but the tours are not increased.

    ...
    I do not understand these things.

  9. #9
    Quote Originally Posted by K447 View Post
    Quote Originally Posted by fubellik77 View Post
    ... il precedente proprietario ha acquistato la PwC come difettoso, si è risolta dopo avere ottenuto cavo nella emm indossato . anche sostituiti i pistoni e cilindri fatti ricromare pensare di risolvere il problema, ma le visite non sono aumentati. ...
    Io non capisco queste cose.
    il precedente proprietario ha acquistato la PwC come difettosi, che aveva un problema di cablaggio emm. anche sostituito il pistone e cilindro placcato pensare di risolvere il problema, ma il numero di giri non è aumentato
    Last edited by K447; 04-01-2014 at 07:43 AM.

  10. #10
    the previous owner bought the PwC as defective, it had a wiring problem emm. also replaced the piston and plated cylinder thinking to solve the problem, but the rpm did not increase.

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