Recent content by cpdtwo

  1. C

    worn valve srpings

    belive I have worn valve springs on my 1500d. does anyone know what the presure is on the valve springs. I did order new ones but still would like to know what the spring presure should be. so when the new ones come and it does not correct the problem I could check the new springs. the valve are...
  2. C

    valve leaking maybe bad springs

    I have a Yanmar 1500d valves a leaking and I think I may have weak sprongs. Doe any one know the valve free lenth and what the min. is. have a book but it just happens to be on a page my dog chewed up(just like hoework in school) it would be found on page 17. the valves on the other Yanmar are...
  3. C

    what can cause a ring to break

    I have an 18hp desiel motor in which new rings and pistons were replaced in aug. now I find that the ring in one piston cracked, only the top ring nodamage to anything else. there is a small wear area on the sleeve but can that cause the damage,sleeve was reamed out prior to putting new pistons...
  4. C

    replace sleeve in a yanmar 1500

    any one know what to use to get sleeve out. have been to parts ste has a wet sleeve puller. motor still in tractor so taking it some place is out. has anyone done this before and how hard of a job is it. hate to get in over my head.
Top