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GPX 150cc Engine Manual

This is a discussion on GPX 150cc Engine Manual within the Chinese/Import Minis - General Discussion forums, part of the General Talk category; Does anyone know where to get a manual for the GPX 150cc engine. Thinking about digging into my engine that came on my pitster x4 ...

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  1. #1
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    GPX 150cc Engine Manual

    Does anyone know where to get a manual for the GPX 150cc engine. Thinking about digging into my engine that came on my pitster x4 pro. Doesn't seem like the pitster manual gives enough information about the engine internals etc. I assume that this GPX motor is just a Lifan with some minor modifications... is this the case? Any help would be appreciated. Thanks!


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    Re: GPX 150cc Engine Manual

    Do you have a GPX Yx150?
    (A True MX'er)

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    Re: GPX 150cc Engine Manual

    I took some detailed pictures of the transmission assembly when I tore my motor down. I'd be happy to share if you need.

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    Re: GPX 150cc Engine Manual

    crf150r,



    Don't know if it is a Yx, only that it comes on a Pitster ProX4 bike... and all that I have seen so far is GPX moto 150cc. What is a Yx?



    orracle,



    That would be good. That is exactly what I am looking for actually. My Pitster has been shifting pretty hard lately after I had a few off track excursions, think I bent a shift fork or something... but don't want to get too deep into it only to not get it back together correctly, you know. If you have some pics I would appreciate them. You can e-mail them to tommygray83@hotmail.com. Thanks!

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    Re: GPX 150cc Engine Manual

    A yx is a motor that has a crf50 style bottom end, and the top end is a klx110 style. Its a YX150 motor. What oil are you running and how much are you putting? Did you ever change it from when you got it?
    (A True MX'er)

    ---------------------------------------------------

    If your bikes worth more than your car.



    You see perfect berms and jumps everywhere you go.



    http://www.myspace.com/136899806



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    99 XR70R

    99 Z50R

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    Re: GPX 150cc Engine Manual

    yes. Have changed it twice so far in about 4 times of riding. Vavoline 10-30.

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    Re: GPX 150cc Engine Manual

    Quote Originally Posted by 125ccRacer
    crf150r,



    Don't know if it is a Yx, only that it comes on a Pitster ProX4 bike... and all that I have seen so far is GPX moto 150cc. What is a Yx?



    orracle,



    That would be good. That is exactly what I am looking for actually. My Pitster has been shifting pretty hard lately after I had a few off track excursions, think I bent a shift fork or something... but don't want to get too deep into it only to not get it back together correctly, you know. If you have some pics I would appreciate them. You can e-mail them to tommygray83@hotmail.com. Thanks!


    sent u an email

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