Question about 2008 Suzuki GSXR1000

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06 gsxr 1000 backfires

I have a 06 gsxr 1000 and its back firing threw the throttle bodies and the echaust, ive changed every sensor, ecu, fuel filter, injectors, ive done a compression test along with a leak down test all the fuel lines and everything is point on where its suppose to be. any info would help thanks rick

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  • Suzuki Master
  • 18,108 Answers

Over heating or excessive carbon buildup on the heads and cylinder

Posted on Jun 19, 2016

Testimonial: "brand new"

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  • Brad Brown Jun 19, 2016

    says 06 on the title

  • Andrew Taylor
    Andrew Taylor Jun 19, 2016

    It does.


    06 gsxr 1000 backfires


    I have a 06 gsxr 1000 and its back firing threw the

  • Brad Brown Jun 19, 2016

    how many miles are on it?

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  • Suzuki Master
  • 29,140 Answers

Back firing is normally due to two things,

Ignition timing happening at the wrong time. This can be over advanced where it back fires through the carbs, and retarded when it fires through the exhaust.

Unburnt fuel in the exhaust can cause detonation by hot gases or carbon..

Yours is strange that it is happening in both places! That can be caused by badly sealing valves, but you have the compression?

Have you checked ignition timing?

Posted on Jun 19, 2016

Testimonial: "i have not checked the ignition timing yet"

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  • Bill Boyd Jun 19, 2016

    this problem can be attributed to uncontrolled ignition activation either from a bad connection or problem ignition control module
    the fire from both valves indicates that the ignition module is faulty and allowing a spark when ever it wants to and not at the correct timing

  • Andrew Taylor
    Andrew Taylor Jun 19, 2016

    Thanks Bill. In my day they had carburettors, coils and points :>)

  • rick conklin
    rick conklin Jun 19, 2016

    were is the ignition control module located?

  • rick conklin
    rick conklin Jun 19, 2016

    i replaced the ecu with 2 different ones is that the same as a ignition control module?

  • Andrew Taylor
    Andrew Taylor Jun 19, 2016

    This is themhttp://www.orientexpress.com/c-249-ignit...

    This is listed as ECMhttp://www.ebay.com/itm/2013-Suzuki-GSXR...

  • rick conklin
    rick conklin Jun 19, 2016

    @Bill Boyd i dont have a control module i just have the ecu the brain

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Place the bike in Neutral, and take the rear seat cowling off. On the side of the bike between the tail section and the trunk you will find a connector that is covered by a rubber cap, and has two wires running into it. Remove the cap and take note of which one of the 4 sockets the two wires go to. Turn the bike ON and start it up, short the wires out with the paperclip. Where your speedo was flashing a -CHEC- with the temp should now be a CXX error code. Write this code down. Then shut the bike off. Match the code up with the list below. Grab a Manual and get to work!

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C14 - THROTTLE POSITION SENSOR
C15 - ENGINE COOLANT TEMPERATURE SENSOR
C21 - INTAKE AIR TEMPERATURE SENSOR
C22 - ATMOSPHERIC PRESSURE SENSOR
C23 - TIPOVER SENSOR
C24 - IGNITION SIGNAL #1
C25 - IGNITION SIGNAL #2
C26 - IGNITION SIGNAL #3
C27 - IGNITION SIGNAL #4
C28 - SECONDARY THROTTLE VALVE ACTUATOR
C29 - SECONDARY THROTTLE POSITION SENSOR
C30 - SECONDARY THROTTLE CONTROL UNIT
C31 - GEAR POSITION SENSOR
C32 - INJECTOR SIGNAL #1
C33 - INJECTOR SIGNAL #2
C34 - INJECTOR SIGNAL #3
C35 - INJECTOR SIGNAL #4
C41 - FUEL PUMP CONTROL SYSTEM
C42 - IGNITION SWITCH SIGNAL
C46 - EXHAUST CONTROL VALVE ACTUATOR (1000 ONLY)

03-04 GSXR1000 Workshop Manual Verify Download

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