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Yanmar 4BY with KMH40A 2009 Luhrs not going in gear

Discussion in 'Technical Discussion' started by fred soper, Aug 8, 2018.

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  1. fred soper

    fred soper New Member

    Joined:
    Aug 8, 2018
    Messages:
    2
    Location:
    Manahawkin NJ
    My boat wont go in gear, its electronic shifting it's in a 2009 Luhrs
    I changed the solenoid on top of the transmision and I only have reverse when I switch the wires around I have forward when I put the stick in reverse position
    Is there something I need to program
    The solenoid I replace got wet when my live well was leaking and I cant get it to go in gear throttle ect
    If anyone has any ideas I would really appreciate it
  2. Capt Ralph

    Capt Ralph Senior Member

    Joined:
    Sep 8, 2004
    Messages:
    5,740
    Location:
    Jax FL
    What controls do you have? Smart Crap, Teleflex or Mathers (before or after ZF)?
  3. fred soper

    fred soper New Member

    Joined:
    Aug 8, 2018
    Messages:
    2
    Location:
    Manahawkin NJ
    I am trying to find what brand controls they are. I had to take a picture of the solenoid and bring it to the marine part supply store as I couldn't even find a name on that. I am having trouble finding the brand I have all the paperwork from when the boat was new but still looking. I was looking at the controls last week and there was no name on it

    When you ask before or after ZF what does that mean.

    And thank you so much for responding I will keep looking
  4. Capt Ralph

    Capt Ralph Senior Member

    Joined:
    Sep 8, 2004
    Messages:
    5,740
    Location:
    Jax FL
    Send pictures of the control head.
    If there is a box in the engine room, send that also.
    Ensure they are less than 640 pixels wide as per your new member agreement.
    PM (private mail) me if you can't get the picture size down.
    Mathers was purchased by ZF corp. The product went thru some changes after the purchase.
    I'm assuming Yanmar engines also.
    Need clutch model also.
  5. Capt J

    Capt J Senior Member

    Joined:
    Jul 11, 2005
    Messages:
    10,199
    Location:
    Fort Lauderdale
    Probably glenndenning controls as I run a 2006 luhrs that has those. Take a picture and post it here. Chances are it's the control head, but you most likely need to get a tech out who can properly diagnose it.

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