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Karizma/Karizma R Ownership Experience

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  • #6751
    Originally posted by psr View Post
    replies in bold.


    Have a new Air Filter, Set AFR screw to 2.5 Turns ,and ride at 3.5 K to 4 K RPM...Never do sudden increase in throttle. SHIFT TO 5 th Gear at speeds of 45 Kmph or more.
    @psr sir
    but aneesh said ,it will damage spark plug if we set it to 2.5 turns
    so what shall i do now??
    and what will happen if we increase throttle suddenly??
    Last edited by selvin rebz; 07-03-2011, 10:23 PM.

    Comment

    • #6752
      [QUOTE=psr;662767]replies in bold.
      you will get 40 Kms per liter...it is a good FE for ZMA.
      About mileage ,it' not as you thought, I'm doing a reserve to reserve checking and am feeding the odo reading to an xml file along with the fuel I've filled . I got .76 liter for 50/- and run 25 km . That makes it 32.89 kmpl.
      the Air filter seems ok...but if you have doubts then change it.
      For the present I think I'll go with the same air filter.

      4-Clean carb - Ask SVC to use carburetor cleaner spray
      Will do . or should I try acetone+2t oil first ?

      The picture of your plug shows that you are running lean AFR
      Well , the AFR screw was only 2.5 turns out . But then , what accounts for the low (below 30) mileage ?Now I've set it at 3.5 turns out and lemme see what happens . I'd put in 100/- worth fuel (1.52 litres) and had run @ 15 km with the earlier settings.
      Just 2 be sure , I'm uploading the carb and the AFR screw pic . I'm new to the ZMA R carb , hope I haven't got it wrong.
      Thanx for the advice.
      Last edited by acs1207; 07-03-2011, 10:56 PM.
      sigpic

      Comment

      • #6753
        Originally posted by selvin rebz View Post
        @psr sir
        but aneesh said ,it will damage spark plug if we set it to 2.5 turns
        I mean your plug will be running very lean and will cause damage to it due to overheating.

        Originally posted by acs1207 View Post
        About mileage ,it' not as you thought, I'm doing a reserve to reserve checking and am feeding the odo reading to an xml file along with the fuel I've filled . I got .76 liter for 50/- and run 25 km . That makes it 32.89 kmpl.
        32.89km/0.76ltr,not 1ltr. hope you get it.

        Just 2 be sure , I'm uploading the carb and the AFR screw pic . I'm new to the ZMA R carb , hope I haven't got it wrong.
        Thanx for the advice.
        Yes you are right.

        Comment

        • #6754
          Originally posted by kariznin View Post
          Bike rpm hovered around 1200 and then it stalled.
          After that I tried to start the bike using the kick, it didn't started after 15-20 kick trials. Then, I turned the fuel knob towards reserve and then tried, it started in 3 kicks. My bike just ran 115KMS in 7.58Ltr (if subtracting reserve then 6Ltrs) of Speed petrol. Again the FE's are very low sir. What is the issue with my bike these days, it is behaving very abnormally.

          P.S : When I warming the bike using choke, I was putting back the toolkit in it's place and placed the seat, suddenly some 'puk-puk' sound came from the exhaust twice or thrice.
          Your AFR may be a little rich try setting it to 3.5 or 3 turns for better FE.
          Your bike had just then gone into reserve,so the engine starting and idling problem..nothing to worry...it had happened to me also.
          When Was The Last Time,You Did Something For The First Time.

          Comment

          • #6755
            Originally posted by acs1207 View Post
            About mileage ,it' not as you thought, I'm doing a reserve to reserve checking and am feeding the odo reading to an xml file along with the fuel I've filled . I got .76 liter for 50/- and run 25 km . That makes it 32.89 kmpl.
            This is the normal ZMA FE in city..32 to 33...had confirmed on a brand new bike with factory setting.

            Will do . or should I try acetone+2t oil first ?
            You can give it a try...take care not to spill Acetone on paint.

            The picture of your plug shows that you are running lean AFR
            Well , the AFR screw was only 2.5 turns out . But then , what accounts for the low (below 30) mileage ?Now I've set it at 3.5 turns out and lemme see what happens . I'd put in 100/- worth fuel (1.52 litres) and had run @ 15 km with the earlier settings.
            Just 2 be sure , I'm uploading the carb and the AFR screw pic . I'm new to the ZMA R carb , hope I haven't got it wrong.
            Thanx for the advice.
            we will wait and get results...if your petrol bunk is giving you less petrol also your FE will be poor.
            When Was The Last Time,You Did Something For The First Time.

            Comment

            • #6756
              Originally posted by selvin rebz View Post
              @psr sir
              but aneesh said ,it will damage spark plug if we set it to 2.5 turns
              so what shall i do now??
              and what will happen if we increase throttle suddenly??
              Setting AFR screw to 2.5 turns will not damage plug in short runs...but engine will run hot with less pickup,and perennial starting problem..since FE was not satisfactory for you i had suggested this..as i am doubtful of your Air Filter health...with a clogged air filter even with 2.5 turns the bike will run rich.
              So first check and ensure that the air filter is in good condition,before adjusting AFR.
              Last edited by psr; 07-04-2011, 12:15 AM.
              When Was The Last Time,You Did Something For The First Time.

              Comment

              • #6757
                Sir didnt an over heated plug fails earlier?

                Comment

                • #6758
                  Originally posted by psr View Post
                  Your AFR may be a little rich try setting it to 3.5 or 3 turns for better FE.
                  Your bike had just then gone into reserve,so the engine starting and idling problem..nothing to worry...it had happened to me also.
                  I had made AFR setting to 3 turns and was using these settings since last week but still got low FE's.
                  Was unable to take pic for the plug but had clicked a few for the Air Filter, it had some oil spills there..

                  Comment

                  • #6759
                    Originally posted by Aneesh@4GHz View Post
                    Sir didnt an over heated plug fails earlier?
                    Only if there is pre-ignition due to heat which will increase the temperature ten folds and subject the plug to mechanical shock, making it to form cracks in insulator.
                    I know of a case wherein even with severe pre-ignition,which led to run-on..ie., even after the ignition is switched off and key taken out,the engine continues to run at high RPM, the plug survived...this had happened repeatedly,but each time the NGK plug had survived.The bike was stopped by putting it in gear jamming on the brakes and letting go of clutch.
                    When Was The Last Time,You Did Something For The First Time.

                    Comment

                    • #6760
                      Originally posted by Aneesh@4GHz View Post


                      32.89km/0.76ltr,not 1ltr. hope you get it.

                      Oops , Aneesh, 25 km for .76 liter means 32.89 km per liter .
                      sigpic

                      Comment

                      • #6761
                        Originally posted by kariznin View Post
                        I had made AFR setting to 3 turns and was using these settings since last week but still got low FE's.
                        Was unable to take pic for the plug but had clicked a few for the Air Filter, it had some oil spills there..
                        Your Air filter looks acceptable.So if you are getting low FE at 3 turns first to check will be plug to know what is happening inside chamber. If plug is white, then suspect petrol bunk ...change to another reputed vendor and see...the oil in the air box is from the engine crank case breather and is normal.
                        When Was The Last Time,You Did Something For The First Time.

                        Comment

                        • #6762
                          Originally posted by psr View Post

                          You can give it a try...take care not to spill Acetone on paint.


                          .
                          Gotta raid wifey's beauty box !!!
                          sigpic

                          Comment

                          • #6763
                            Originally posted by kariznin View Post
                            I had made AFR setting to 3 turns and was using these settings since last week but still got low FE's.
                            Was unable to take pic for the plug but had clicked a few for the Air Filter, it had some oil spills there..
                            Please see post # 5177 from psr regarding oil in air filter box.
                            sigpic

                            Comment

                            • #6764
                              Originally posted by acs1207 View Post
                              Oops , Aneesh, 25 km for .76 liter means 32.89 km per liter .
                              Oh,Yeah,sorry bro,Little weak in maths.

                              Comment

                              • #6765
                                Originally posted by acs1207 View Post
                                Gotta raid wifey's beauty box !!!
                                If you meant the nail polish remover ,make sure it is transparent and does not have additives like protein to enrich finger nails etc.
                                When Was The Last Time,You Did Something For The First Time.

                                Comment

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