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  1. #1

    Default YM240

    Having trouble with fuel pump timing. All the service manual says is see Yanmar Dealer. I am having to replace the fuel pump and since removing the old one the motor has been turned over. Does anyone know what the setting should be between the camshaft and tdc mark. The engine is a 4 cycle diesel and the year is 1977.

  2. #2

    Default Re: YM240

    Sorry, I don't really have the answer, but I was surprised to see 4cyl. I thought the YM240 was a 2 cyl. diesel and the US equivalent of the YM2000 which IS 2 cyl. Thanks, John

  3. #3
    Silver Member
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    Aug 2003
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    harrison county, tx (NE TEXAS)
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    nortrac 25 xt JD zeroturn 54", briggs mtr.

    Default Re: YM240

    jeffro,
    i was told just today, the manuals for the ym240 are basically the same for the ym2000...or vice-a-versa....2 cylinder...... kioti john was correct.....
    are you sure you have a ym240?
    just went thru yahoo search and found a place with foto's of original sales lit with spec's....2 cyl....

    by the way, welcome to TBN....maybe you could tell us more in your profile.....most of us are tractor "nuts" anyway [img]/forums/images/graemlins/grin.gif[/img] [img]/forums/images/graemlins/grin.gif[/img] [img]/forums/images/graemlins/grin.gif[/img] [img]/forums/images/graemlins/grin.gif[/img]

  4. #4
    Super Member California's Avatar
    Join Date
    Jan 2004
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    5,622
    Location
    Sonoma County
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    Yanmar YM240, YM186D, and another YM186D

    Default Re: YM240

    Jeffro,

    The I&T Shop Manual (YM-1) says 20 to 24 degrees BTDC and shows a timing mark on the pulley about an inch (??) ahead of the TDC mark.

    You probably need that I&T manual to do it right. The Yanmar advertisers here can provide it, or Ebay or Amazon. About $30.


  5. #5
    Epic Contributor Soundguy's Avatar
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    Central florida
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    ym1700, NH7610S, Ford 8N, 2N, NAA, 660, 850 x2, 541, 950, 941D, 951, 2000, 3000, 4000, 4600, 5000, 740, IH 'C' 'H', CUB, John Deere 'B', allis 'G', case VAC

    Default Re: YM240

    Hit the yanmar sub.. we don't bite over there. Lots of dealers on the sub...

    If you really do have a ym240.. you are lucky.. it is a domestic model, and parts may/are readilly available.

    Soundguy

  6. #6
    Elite Member
    Join Date
    Mar 2002
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    3,431

    Default Re: YM240

    Guys.....guys, you gotta pay attention. He said 4 cycle, not 4 cyl.
    "The engine is a 4 cycle diesel and the year is 1977."

  7. #7

    Default Re: YM240

    </font><font color="blue" class="small">( Guys.....guys, you gotta pay attention. He said 4 cycle, not 4 cyl.
    "The engine is a 4 cycle diesel and the year is 1977." )</font>
    LOL. That description for a diesel was so unexpected, I suppose my mind only saw 4 cyl. Thanks for the correction! John

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