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Neutral Light failure on heat soaked engine

Discussion in 'CARC' started by Richard Martin, Mar 3, 2018.

  1. Richard Martin

    Richard Martin Just got it firing!

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    Anyone experienced the neutral light failing to come on after being stopped for a while with a heat soaked engine. This never occurs with the engine cold, only after being stopped following a minimum half hour run. The engine is always turned off when in neutral.
    The model is a 1200 4V Sport, hatched in 2010 with now 31,000km on the clock.
    I suspect the sensor on top of the gearbox is being affected by both heat and age. Any thoughts on this ?
     
  2. john zibell

    john zibell Moderator Staff Member GT Famiglia

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    Sometimes the connection to the sensor is not good. However once you get to it to check the connection, you might as well just replace the sensor. Do make sure you have a good, clean connection before you button everything up.
     
  3. V700Steve

    V700Steve Cruisin' Guzzisti GT Contributor

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    If you want to just fix connection and are good using a long needle nose pliers, it's doable. I reach in and slide the connector off, It's a top hat post on sensor and the spade connector has a slot in it, I just squeeze slightly on the spade and make sure it's a snug fit w/you slide it back on. I find that easier than removing the tank & airbox unless it's the sensor. By now it could have a bit of corrosion on it too.
     
    Bill Hagan and john zibell like this.
  4. Richard Martin

    Richard Martin Just got it firing!

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    Thanks John and Steve,
    I will try the long nose pliers first and failing that, whip the tank and airbox off to get at the thing. Not much wriggle room there.
    Cheers.
     
  5. Richard Martin

    Richard Martin Just got it firing!

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    I did replace the sensor with a new one and also discovered another avenue to get at the thing without removing the tank and airbox. Take off the right hand side front footrest and brake assembly. Four bolts and zip tie it to the frame further back and access to the neutral sensor is easy.
    Incidently the problem was fixed with a new part. Good as gold since.
     
    john zibell and V700Steve like this.
  6. V700Steve

    V700Steve Cruisin' Guzzisti GT Contributor

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    Good tip to give you more room to work at it.
     
  7. kiwi dave

    kiwi dave GT Reference

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    Interesting that the neutral switch doesn't appear in any of the spare parts manuals I have. I also looked thru the Norge and Breva without success.

    Perhaps my eyes are just painted on?
     

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