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Thread: Karizma Carburetor Slide Cleaning

  1. #1
    Honda DIO HET 2014 Aneesh@4GHz's Avatar
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    Lightbulb Karizma Carburetor Slide Cleaning

    This Karizma 2006 model was suffering from rpm fluctuating problem in between 2000 and 3000RPM,So after some Google search and talk with experts,came to know that it is because of a coating over the carburetor slide which is making the slide stuck sometimes.So planned to do a DIY on this issue.Hope this helps many.

    Special Thanks to PSR Sir and Ashwin Prakash for guidance and advices.

    Tools Required:

    Flat Screw Drivers
    Star Screw Drivers
    And a special tool(mentioned below)


    First process is to remove the carburetor from bike.For that:

    1. Remove the side panel by removing the screws
    2. remove the Accelerator cable cover( Two Screws)
    3. remove both accelerator cables using the spanner provided in the tool box
    4. Remove the TPS (Throttle Position Sensor) by removing two screws
    5. Remove the tube connected to the front valve and one in the back from fuel tank,Remeber to close fuel before doing this.
    6. Unscrew the clamps that holds the carb to manifold pipes(One from airfilter box to carb and one from carb to engine)
    7. slowly pullout the carburetor,remove the choke cable too.
    8. Close the rubber pipes using a clean cloth


    NEVER USE LOW QUALITY SCREWDRIVERS, IT WILL DEFORM THE SCREWS,USE GOOD QUALITY TOOLS
    My Screw Driver:


    Here we go:

    Remove these two screws on the top of the carburetor:




    Hold the top part pressed with your finger,there is a long spring inside,it will jump out if you dont keep it pressed. after removing the screws,slowly open it.you will see these things:



    Here is the top cover,there was some rust on mine and some grease like substance too.

    Before Cleaning:



    After Cleaning:



    I used kerosene and a cotton cloth to clean this.

    Then there was some black particles in this part too,cleaned it with a cotton cloth and blowed air to clean it.


    Here comes the Carburetor Slide:

    Saw a small scratch,but not deep,i checked it with my finger,it was smooth.



    In the below pics,you can see black coating on the carb slide:





    I used this thing,the small solar panel from an old calculator to remove the coating,(made sure that it wont damage the slide in any ways before using it)
    just scratch with it to remove the coating.


    After cleaning it looked like this:




    after scratching it,use a bit colgate paste and little water to clean it and used a clean cotton cloth to wipe it.

    After that put everything back in the reverse order,make sure to place the carburetor slide diaphragm in correct manner like in the pic below:




    Also removed the bowl and checked the jets for any blocks as per PSR Sir said,No blocks were found and the bowl was clean too,See the pic below,the pic is taken before cleaning:



    ]

    After cleaning process,I tuned the AFR to 3.5 turns,and put it back.
    Dont forgot to connect the tubes,choke cable and TPS.Started the bike after making sure that everything is fine,After some cranking bike started,and the Problem is solved.


    Sorry for my bad English. Hope this helps.

    Again Special thanks to PSR Sir.

    All Advice's and Feedback's are welcome,Waiting for Comments.

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    Moderator antz.bin's Avatar
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    Guys,

    please note that all the posts in the DIY sections are moderated, which means that all the posts have to be approved by the moderators before it is visible to other members and to keep these threads clutter free, we do not allow posts such as thank you, awesome job, wonderful job, etc.

    only those posts are allowed that are contributing to the purpose of the thread.
    (Been There Done That) x 3.25

  4. #4
    psr
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    Quote Originally Posted by Aneesh@4GHz View Post

    First process is to remove the carburetor from bike.For that:

    1. Remove the side panel by removing the screws
    2. remove the Accelerator cable cover( Two Screws)
    3. remove both accelerator cables using the spanner provided in the tool box
    4. Remove the TPS (Throttle Position Sensor) by removing two screws
    5. Remove the tube connected to the front valve and one in the back from fuel tank,Remeber to close fuel before doing this.
    6. Unscrew the clamps that holds the carb to manifold pipes(One from airfilter box to carb and one from carb to engine)
    7. slowly pullout the carburetor,remove the choke cable too.
    8. Close the rubber pipes using a clean cloth

    Before Cleaning:






    after scratching it,use a bit colgate paste and little water to clean it and used a clean cotton cloth to wipe it.

    After cleaning process,I tuned the AFR to 3.5 turns,and put it back.
    Dont forgot to connect the tubes,choke cable and TPS.Started the bike after making sure that everything is fine,After some cranking bike started,and the Problem is solved.

    All Advice's and Feedback's are welcome,Waiting for Comments.
    Good DIY, and happy to note that the slide is not getting stuck now...
    I would like to add a few lines to the DIY..
    1. Try not to remove the TPS from the carburetor...instead disconnect the TPS connector under the Petrol tank
    The TPS is connected to the Carb., accelerator spindle through a small black stud. If you notice closely this small piece is very important because the TPS switch connecting slot and the protrusion on the Carb spindle are 90 degrees out of phase...it is the small plastic piece which marries this difference and it can be easily lost while removing the TPS....which means the TPS will no longer be actuated by the Accelerator ...
    2. The slide still shows some amount of deposit and may lead to slide sticking some time later...
    3. The brownish red deposit you observed on the roof of the slide spring holder is old petrol vapor which gets in through the Vacuum hole under the slide...I had observed this and had done corrective mods to prevent this petrol vapor entering the slide inner...there is no cause for concern and can be left in stock form...
    Good work keep it up.
    acs1207 likes this.
    When Was The Last Time,You Did Something For The First Time.

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    Honda DIO HET 2014 Aneesh@4GHz's Avatar
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    Quote Originally Posted by psr View Post
    Good DIY, and happy to note that the slide is not getting stuck now...
    I would like to add a few lines to the DIY..
    Mods please edit and add these lines to my post.

    1. Try not to remove the TPS from the carburetor...instead disconnect the TPS connector under the Petrol tank
    The TPS is connected to the Carb., accelerator spindle through a small black stud. If you notice closely this small piece is very important because the TPS switch connecting slot and the protrusion on the Carb spindle are 90 degrees out of phase...it is the small plastic piece which marries this difference and it can be easily lost while removing the TPS....which means the TPS will no longer be actuated by the Accelerator ...
    After fixing it back,i had checked and made sure that it is working fine. Will

    2. The slide still shows some amount of deposit and may lead to slide sticking some time later...
    I was a bit afraid to press harder.

    3. The brownish red deposit you observed on the roof of the slide spring holder is old petrol vapor which gets in through the Vacuum hole under the slide...I had observed this and had done corrective mods to prevent this petrol vapor entering the slide inner...there is no cause for concern and can be left in stock form...
    Ok sir.

    Good work keep it up.
    Thanks sir. Credit belongs to you.

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    Addicted James's Avatar
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    Good job mate! You should have stripped the carb down completely and blown compressed air through all of the orifices. I used to dunk the carb in a bowl of petrol for a day and then clean all the orifices with compressed air. Of course all the rubber parts, screws and jets were taken out prior to the petrol dip!!

    Keep em DIY's comin'!

    Cheers!
    85 RD350
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    Owned-69'G2, 82'STD350, CI535, 86'RD350, 03ZMA, 07ZMA etc

    Baby sitting: Mivec Turbo aka the garage queen! LOL

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    Honda DIO HET 2014 Aneesh@4GHz's Avatar
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    As per PSR Sir said,removed the carb once more and cleaned it using Emery Paper 1000Grit.( 1000 was the finest one available here)

    Here is a pic after cleaning with kerosene and Emery paper.


    and also the plastic thing on the TPS.


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    Quote Originally Posted by Aneesh@4GHz View Post
    Mods please edit and add these lines to my post.



    After fixing it back,i had checked and made sure that it is working fine. Will



    I was a bit afraid to press harder.



    Ok sir.



    Thanks sir. Credit belongs to you.

    Nice work aneesh , can you post a DIY for carb cleaning on CBZ xtreme ?

    would be really helpful

  9. #9
    Rusted
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    Quote Originally Posted by girimajiananth View Post
    Nice work aneesh , can you post a DIY for carb cleaning on CBZ xtreme ?

    would be really helpful
    There is no problem in cleaning extreme carb. The carb is same as karizma except it is a bit smaller in size. So nothing to worry. Follow the same steps as here except no need of rubbing the slide. Also do not remove the TPS from carburettor but just pull out the connector of wiring from TPS.
    girimajiananth likes this.
    Photo of my joy- http://www.xbhp.com/talkies/854067-post963.html-3.88 lac km cont....Ownership review of my joy- http://www.xbhp.com/talkies/832255-post608.html- slowly updating as and when getting time. HERO HONDA CBZ EXTREME(2011) - 47K KM AND COUNTINGhttp://www.xbhp.com/talkies/motorcyc...tml#post904152-carb tuning guide

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    art
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    though this DIY is for Karizma but hope the method also applies to other carbs. was really waiting eagerly for DIY on carbs....Thanks Aneesh for the same.....One question is in my mind and that is - do I ve to count number of turns while taking out the jets for cleaning....i am really confused regarding this...one more thing it will be of great help if anybody puts precautions to be taken while dismantling and refitting the carb...

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