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Thread: Karizma Carburetor Slide Cleaning

  1. #21
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    Default Re: Karizma Carburetor Slide Cleaning

    Thanks for the tip. I did the setting myself. The current setting was somewhere around 2.5 turn. I turned it clockwise till it stopped. Now, i turned it anti-clockwise to 3.5 turn and started the bike. The RPM was around 1.8 since bike was hot as i rode few kms before doing the setting. I turned the idle RPM to rest on 1.5k. Did i do it right? I rode after i did the setting and only problem i got is in 1st gear, pickup was less.

    Quote Originally Posted by psr View Post
    Larger than 250 RPM variation is mostly caused by lean AFR(Air Fuel Ratio).To solve this you have to adjust the AFR screw to 3.5 turns anti clockwise after turning it fully clockwise till it stops.you have to do it gently otherwise you will break the screw or jam it....If you have problems in turning the screw, spray WD40 or Zorrick and wait for 15 minutes....repeat till the screw becomes loose enough to turn..
    Good Luck.

  2. #22
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    Default Re: Karizma Carburetor Slide Cleaning

    @experts, psr sir- my zma throttle slide is getting stuck repeatedly, in last 2000 kms I have cleaned it twice (removed black carbon like deposits by 0 number rag paper). Again at 500 kms after cleaning, slide getting stuck sometime on aggresive throttling. What is the root cause of slide getting deposits?

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    Default Re: Karizma Carburetor Slide Cleaning

    Hi All,

    Today I followed the DIY and cleaned the carburetor. I believe that everything was put on reverse order. Now the bike starts but have a different sound. The sound you get when you take out the air filter. BTW I've the standard filter, no after market. The bike Idles with that sound. Checked that the carburetor unit ends are firmly in place. I'm new at this, so not sure what is causing it.

    Any help would be greatly appreciated.


    Thanks.

  4. #24
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    Default Re: Karizma Carburetor Slide Cleaning

    Quote Originally Posted by Aneesh@4GHz View Post
    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.
    Thank you for uploading, I will do this on my karizma which I recently bought. It is a pre-owned one and it was kept un-serviced and not ridden much for a long time by the first owner.

    Did you change any of the O rings while reassembling the carb?

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    Default Re: Karizma Carburetor Slide Cleaning

    do you mix oil in fuel tank?
    i faced this problem in my Hunk when i used to add 40 mil oil in full tank each alternate fills to avoid rust in tank.
    stopped facing this problem after reducing oil quantity.

  6. #26
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    Default Re: Karizma Carburetor Slide Cleaning

    Hello All,

    Kind of stupid to ask the question but I cleaned the Carb due to some idling issue on my Hunk issue solved but after reassembling the carb and fitment I found my starter not working, when pressed the starter switch only "TIK TIK" sound from the Switch under the seat... one thing I forgot to remove was is the TPS Sensor ...

    I forgot to remove it and cleaned the whole carb with kerosene and Petrol..

    what could be the issue here please advice you help will point me to a right direction for solving it..

    thanks'
    Ride Safe..
    Mosin

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    Default Re: Karizma Carburetor Slide Cleaning

    Quote Originally Posted by $MosiN$ View Post
    Hello All,

    Kind of stupid to ask the question but I cleaned the Carb due to some idling issue on my Hunk issue solved but after reassembling the carb and fitment I found my starter not working, when pressed the starter switch only "TIK TIK" sound from the Switch under the seat... one thing I forgot to remove was is the TPS Sensor ...

    I forgot to remove it and cleaned the whole carb with kerosene and Petrol..

    what could be the issue here please advice you help will point me to a right direction for solving it..

    thanks'
    Tik - tik sound means your starter relay is working. Most probably it is a contact issue, less likely a battery voltage issue. Clean battery and starter relay contacts and check the battery voltage.
    [SIGPIC][/SIGPIC]

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