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  1. #11 Re: Chinese engine identification 
    Senior C-Moto Guru Gardo's Avatar
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    using this info the Heist engine then is really a 239cc vs a 229cc
    Gardo northern NJ/NYC
    CCW tha Heist tha Widow
    CCW tha Misfit (tha Wraith)
    50 State legal and Worldwide
    CCW Heist Riders
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  2. #12 Re: Chinese engine identification 
    Senior C-Moto Guru MJH's Avatar
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    Quote Originally Posted by andydonna View Post
    hi i have a dirt bike but cant find out what engine it has can anybody help please
    markings it has are E22 on one side and DJ152FMH *050704525* on the other what cc is it any one



    DJ is is the manufacturer
    1 single
    52 bore
    F air cooled
    M used on motorcycle
    H 110cc
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  3. #13 Re: Chinese engine identification 
    Senior C-Moto Guru MJH's Avatar
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    167FMM

    single, 67mm bore, air cooled, motorcycle engine, 250cc

    You need the stroke to calculate the exact displacement.

    The LF167MM claims it is at 64.5 for the stroke and that calculates to 227cc.
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  4. #14 Re: Chinese engine identification 
    Senior C-Moto Guru MJH's Avatar
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    Quote Originally Posted by spencer2004 View Post
    Hello. I've taken this information and made it into a diagram to make it easier to understand, please tell me if I have made any mistakes.

    Attachment 6305
    This could be set into a software program....it would read an engine code and then generate information.
    It could be linked to documents that define it and even to include any licensing rights, it could be open or restricted based on the terms. I am not sure but patents expire with or over time. It could be linked to diagrams and parts and even detail how to adjust and even rebuild it.

    The point is that all of this struggling to identify is unnecessary and so is the huge amounts of money spent on government regulators that are not really doing anything.
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  5. #15 Re: Chinese engine identification 
    Senior C-Moto Guru MJH's Avatar
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    M in the sixth character place is for "water cooled" QJ469MS-A QJ Qianjiang 4 cylinder 69 bore M water cooled S 600cc A revision. should be QJ469MMS-A
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  6. #16 Re: Chinese engine identification 
    C-Moto Guru spencer2004's Avatar
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    Quote Originally Posted by MJH View Post
    M in the sixth character place is for "water cooled"
    QJ469MS-A

    QJ Qianjiang
    4 cylinder
    69 bore
    M water cooled
    S 600cc
    A revision.

    should be QJ469MMS-A
    Hmm I didn't know that, I'll have to update the diagram in my last post.
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  7. #17 Re: Chinese engine identification 
    Senior C-Moto Guru MJH's Avatar
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    I wonder if you should, it may be just this one engine that is not conforming. actually you can add M for water cooling. But this QJ engine is missing the M in the 7th character place.
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  8. #18 Re: Chinese engine identification 
    C-Moto Guru spencer2004's Avatar
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    Quote Originally Posted by MJH View Post
    I wonder if you should, it may be just this one engine that is not conforming. actually you can add M for water cooling. But this QJ engine is missing the M in the 7th character place.
    How did you know that it's water cooled anyway?
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  9. #19 Re: Chinese engine identification 
    Senior C-Moto Guru MJH's Avatar
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    I seen it before the 250cc is 170MM and it is pretty consistently used./
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  10. #20 Re: Chinese engine identification 
    Senior C-Moto Guru MJH's Avatar
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    The seventh character is what is not being covered if it is always M for motorcycle then what does L, Q, J and I signify

    http://www.lifan.com/English/Industr...f-424d703b053d

    something is not correct.
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