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Stuttering engine at cruising speeds *** SOLVED ***

This is a discussion on Stuttering engine at cruising speeds *** SOLVED *** within the Yamaha FZ-09 Common Problems/Issues forums, part of the Yamaha FZ-09 Garage category; Thanks Abe...

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Thread: Stuttering engine at cruising speeds *** SOLVED ***

  1. #21
    Senior Member JM00JM's Avatar
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    Thanks Abe
    abe57 likes this.

  2. #22
    Junior Member tim.pigeau@gmail.com's Avatar
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    JM00JM,
    You do NOT have to remove the airbox to access them. They are on either side of the intake tubes and the airbox does not obstruct you at all. All I do is lift the tank, rotate it and place it where my seat normally is (use a towel or something in between the tank and the bike to prevent scratches). With this method I don't even need to disconnect the fuel lines.
    2thdr and RichBinAZ like this.
    2014 Yamaha FZ-09 (Red): VcycleNut flash, K&N air filter, MRA Double-Bubble windscreen, Kaoko throttle lock

  3. #23
    Senior Member JM00JM's Avatar
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    Quote Originally Posted by [email protected] View Post
    JM00JM,
    You do NOT have to remove the airbox to access them. They are on either side of the intake tubes and the airbox does not obstruct you at all. All I do is lift the tank, rotate it and place it where my seat normally is (use a towel or something in between the tank and the bike to prevent scratches). With this method I don't even need to disconnect the fuel lines.
    Thanks for the info. I've already done it now and it felt like the airbox needed to move out the way, so I just removed it

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  5. #24
    Senior Member JM00JM's Avatar
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    I'm still not sure exactly which connector is which though

  6. #25
    Senior Member abe57's Avatar
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    Quote Originally Posted by JM00JM View Post
    I'm still not sure exactly which connector is which though
    Look closely at the pic on post #13...anything electrical connected to the throttle body's just remove one at a time clean them up and then apply a bit of dialectic grease " squeeze it into the female part of the connector " and connect it back and move on to the next one ....
    Last edited by abe57; 02-16-2019 at 07:48 AM.
    King-Of-Bee's

  7. #26
    Senior Member Rexster's Avatar
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    I'm gonna try this.....Drives me nuts!!!!!!!!!

    thanks
    ridetofish likes this.

  8. #27
    Senior Member JM00JM's Avatar
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    I've come to the conclusion that my fuel cut issue was caused by the weather and low temperatures because it's gone now its heated up a bit here. Cant find any other explanation.

  9. #28
    Junior Member tim.pigeau@gmail.com's Avatar
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    I found that too for a while. The connectors expand in the heat, breaking the airtight seal. When its cold the connectors contract again, trapping moisture. If this is the issue, it will get worse. I've taken to putting some dielectric grease on the seal of the connectors to prevent this. The connectors are on the left and right of the 3 intake tubes of the throttle body. It doesn't hurt to clean out the connector for the throttle actuator as well (on the rear side of the throttle body, a little to the right).
    2014 Yamaha FZ-09 (Red): VcycleNut flash, K&N air filter, MRA Double-Bubble windscreen, Kaoko throttle lock

  10. #29
    Junior Member Roninracing88's Avatar
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    Way to keep with it. Gonna have a look at my 2019 to see if thats whats going on with mine. In Georgia so have serious heat/humidity.

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