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  1. #1
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    Default Torque Specs for Water Pump Yanmar 2000

    I'm trying to find torque specs for water pump for Yanmar 2000. I've searched through the forums and couldn't find this info, but I'm new so I could have missed it! Thanks in advance!

  2. #2
    Gold Member
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    Default Re: Torque Specs for Water Pump Yanmar 2000

    Just Google "Metric bolt torque value" and there are charts that show the torque. Hard part is figuring out what size bolt you have. You can Google "How to tell Metric bolt sizes" for that.
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  3. #3
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    yanmar 2002d

    Default Re: Torque Specs for Water Pump Yanmar 2000

    I think those will be 8mm bolts. 17-22 ft lbs for grade 7t, 45-52 for grade 11t. I would use goodntight on water pump bolts.

  4. #4
    Super Member clemsonfor's Avatar
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    Default Re: Torque Specs for Water Pump Yanmar 2000

    Im with winston, i would just snug them and then a bit more, but not ring them off tight but not so loose that they leak. I have replaced many a water pump and honestly never torqued a one. NOt saying it is right but for that application i dont think i would torque them.

    I have done quite a bit of work and never had a problem not torqueing.
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  5. #5
    Super Member kenmac's Avatar
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    yanmar 3110D

    Default Re: Torque Specs for Water Pump Yanmar 2000

    Quote Originally Posted by winston1 View Post
    I would use goodntight on water pump bolts.

    I have to agree. I've never torqued water pump bolts on anything
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  6. #6
    Platinum Member Neat 1500's Avatar
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    Default Re: Torque Specs for Water Pump Yanmar 2000

    Quote Originally Posted by kenmac View Post
    I have to agree. I've never torqued water pump bolts on anything
    X3, just dont get too excited as they are only litle bolts and snap easy.
    Paul YM1500 & YM14 MkII

  7. #7
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    Default Re: Torque Specs for Water Pump Yanmar 2000

    If its any help my Yanmar built JD specs out 228 inch lbs (26N*m) with a M8X45 cap screw on the water pump on a 3TNE74 engine (20hp)

  8. #8
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    Default Re: Torque Specs for Water Pump Yanmar 2000

    Quote Originally Posted by DFB View Post
    If its any help my Yanmar built JD specs out 228 inch lbs (26N*m) with a M8X45 cap screw on the water pump on a 3TNE74 engine (20hp)
    That converts to 19 ft lbs.

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