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Yamaha FZ-16/ FZ-S

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  • #21496
    Re: Yamaha Fzs Engine Noise (Bore and Carb Problem)

    Originally posted by Ram22 View Post

    The noise is exactly the same as the one you have posted about fazer in that thread. The noise increases like anything as i increase the speed. My mechanic also said it was timing chain issue and he indeed put a new one. But sound was still there. Can you please tell me whether you went ahead with all those changes mentioned in the thread ? did it help ?

    Thanks for the help
    No, I didnt do anything and it went away on its own.

    Comment

    • #21497
      Re: Yamaha Fzs Engine Noise (Bore and Carb Problem)

      Originally posted by muztariq View Post
      No, I didnt do anything and it went away on its own.
      oh, that is strange as, for me it kept on increasing after each service and they all said its normal. Recently during my 9th service mechanic said it was Timing chain issue and he changed it, but noise was still there. Thats when he said its problem with bore and carb.

      Thanks

      Comment

      • #21498
        Re: Yamaha Fzs Engine Noise (Bore and Carb Problem)

        Originally posted by Ram22 View Post
        oh, that is strange as, for me it kept on increasing after each service and they all said its normal. Recently during my 9th service mechanic said it was Timing chain issue and he changed it, but noise was still there. Thats when he said its problem with bore and carb.

        Thanks
        Problem with Carburetor is understood. What is the problem with bore? If the bore has gone kaput, it will consume oil within first 200-300kms itself. So, check the oil level at regular intervals of 200-300kms gap and you will come to know, if it is bore issue or not.

        I couldn't figure out the noise properly from the video. If the sound is like sewing machine, the timing chain is culprit. If it is tick tick, tappets are culprit.

        Any drop in performance?
        The real beauty lies in throttle's twist!!

        Headlight can be replaced, Head cannot be. Wear a helmet.

        Comment

        • #21499
          Re: Yamaha FZ-16/ FZ-S

          I too experienced a strange noise when my bike had done around 20k kms. The bike also emitted black smoke and there was a huge drop in the performance. Tappet adjustment was all it needed. After the adjustment, I was advised to keep my revs low for a couple of hundred kms and the problem was solved.

          About the popping sound, the the secondary air injector might be the culprit too.

          So, you might need to check for the tappet adjustment and secondary air injector too as there just can't be any bore related problems at 27k kms, especially not in a Yamaha.

          Sent from my C5302 using xBhp Connect mobile app

          Comment

          • #21500
            Re: Yamaha Fzs Engine Noise (Bore and Carb Problem)

            Originally posted by devils_friend View Post
            Problem with Carburetor is understood. What is the problem with bore? If the bore has gone kaput, it will consume oil within first 200-300kms itself. So, check the oil level at regular intervals of 200-300kms gap and you will come to know, if it is bore issue or not.

            I couldn't figure out the noise properly from the video. If the sound is like sewing machine, the timing chain is culprit. If it is tick tick, tappets are culprit.

            Any drop in performance?
            I will start checking from today. Earlier in service station they mentioned that engine is consuming little oil, so it might be the problem with bore. I have uploaded another video with proper sound. Please check and let me know whether its the sound of Timing chain, because last service he changed the timing chain and finally he said it might be bore.

            Performance wise - Drop in top speed, Pick up has dropped, Pop sounds at even high speeds, Engine feels as if it is out of air, also very rough. Only good thing is i am getting a mileage of around 42km/l.

            Video
            https://youtu.be/gANLQkuA0nY


            Thanks

            ----consecutive posts auto-merged-----

            Originally posted by sachin_v View Post
            I too experienced a strange noise when my bike had done around 20k kms. The bike also emitted black smoke and there was a huge drop in the performance. Tappet adjustment was all it needed. After the adjustment, I was advised to keep my revs low for a couple of hundred kms and the problem was solved.

            About the popping sound, the the secondary air injector might be the culprit too.

            So, you might need to check for the tappet adjustment and secondary air injector too as there just can't be any bore related problems at 27k kms, especially not in a Yamaha.

            Sent from my C5302 using xBhp Connect mobile app
            Sure. Thanks. Next service i will ask him to check Tappet and Secondary air injector. I am not getting any black smoke, but performance has dropped.
            Last edited by Ram22; 05-19-2015, 10:26 AM. Reason: My posts are appearing twice even though i responded only once. Issue with submission i believe

            Comment

            • #21501
              Re: Yamaha FZ-16/ FZ-S

              Good mileage and lack of performance in higher gears usually means the slide is sticking. Do inspect.

              Sent from my Lenovo S90-A using Tapatalk
              Motorcycling Experience:
              2000 ~ 2017 Y2K Kinetic Zoom (Disposed at 15k)
              2011 ~ 2015 Hero Honda Karizma R (Sold at 56.5k)
              2013 ~ 2014 Bajaj Discover 100 4G (Sold at 16.5k)
              2015 ~ 2017 TVS Wego (Totaled at 18k)
              2015 - Bajaj Pulsar 220F (Currently 31k) < Garage Queen!
              2017 - Bajaj CT100B (Currently 21k) < 'Golden Quadrilateral' Runner!

              The Ride was Good, but Life is short, spend it Wisely!
              Adios Comrades!
              A.P. 2018

              Comment

              • #21502
                Cracker like sound coming from my Yamaha FZ 16, also not giving enough power

                I have a Yamaha FZ-16, from a past few days some cracker type sound is coming from it, it is not even giving enough power, pick up is also down, sometimes I need to accelerate too much and it feels like the bike is going down, usually the engine gets off when that popping sound come from the bike, when I start the bike I need to accelerate it for 2-3 seconds otherwise the engine gets off. I went to the Yamaha service center, they started the bike and accelerated it to nearly 7000 rpm, at which the light blue color smoke was coming from the silencer, then he told me that the bore piston has gone, he said the bore piston and header valves need to be replaced which would cost nearly Rs 6000. Please tell me what could be the problem and how much it would cost to fix it. It would be a great help if anyone could refer me a good mechanic for it. I am living in Hyderabad currently.

                Comment

                • #21503
                  Re: Yamaha FZ-16/ FZ-S

                  You can try it bro. I have done it. Its 200ns tail tidy kit with custom made back light and led light...
                  Sent from my HM NOTE 1W using xBhp Connect mobile app
                  Attached Files

                  Comment

                  • #21504
                    Re: Cracker like sound coming from my Yamaha FZ 16, also not giving enough power

                    Originally posted by farazSid View Post
                    I have a Yamaha FZ-16, from a past few days some cracker type sound is coming from it, it is not even giving enough power, pick up is also down, sometimes I need to accelerate too much and it feels like the bike is going down, usually the engine gets off when that popping sound come from the bike, when I start the bike I need to accelerate it for 2-3 seconds otherwise the engine gets off. I went to the Yamaha service center, they started the bike and accelerated it to nearly 7000 rpm, at which the light blue color smoke was coming from the silencer, then he told me that the bore piston has gone, he said the bore piston and header valves need to be replaced which would cost nearly Rs 6000. Please tell me what could be the problem and how much it would cost to fix it. It would be a great help if anyone could refer me a good mechanic for it. I am living in Hyderabad currently.
                    How many kms on odo? Make sure you aren't running on lean mixture.

                    Check the Spark Plug Cap condition, Spark Plug condition, clogged Air Filter.
                    The real beauty lies in throttle's twist!!

                    Headlight can be replaced, Head cannot be. Wear a helmet.

                    Comment

                    • #21505
                      Re: Cracker like sound coming from my Yamaha FZ 16, also not giving enough power

                      Originally posted by devils_friend View Post
                      How many kms on odo? Make sure you aren't running on lean mixture.

                      Check the Spark Plug Cap condition, Spark Plug condition, clogged Air Filter.
                      It has completed 44,700 kms. Ok will check the spark plug and other things you said.

                      Comment

                      • #21506
                        Re: Cracker like sound coming from my Yamaha FZ 16, also not giving enough power

                        Changed the front tyre for the first time after completing 328xx kms. FX1 model costing Rs. 1950/-
                        Ride safe and have fun.
                        Regards
                        Nadeem

                        Comment

                        • #21507
                          Re: Cracker like sound coming from my Yamaha FZ 16, also not giving enough power

                          Originally posted by farazSid View Post
                          I have a Yamaha FZ-16, from a past few days some cracker type sound is coming from it, it is not even giving enough power, pick up is also down, sometimes I need to accelerate too much and it feels like the bike is going down, usually the engine gets off when that popping sound come from the bike, when I start the bike I need to accelerate it for 2-3 seconds otherwise the engine gets off. I went to the Yamaha service center, they started the bike and accelerated it to nearly 7000 rpm, at which the light blue color smoke was coming from the silencer, then he told me that the bore piston has gone, he said the bore piston and header valves need to be replaced which would cost nearly Rs 6000. Please tell me what could be the problem and how much it would cost to fix it. It would be a great help if anyone could refer me a good mechanic for it. I am living in Hyderabad currently.
                          1) check and adjust tapped as per the manual
                          2) check and adjust the CO level as per manual
                          3) check or replace plug
                          Let the bike idle for 2 min and then test ride.
                          FZ cylinder needs change ?? They should at least run 40-50k kms by just getting normal servicing done.

                          Sent from my A0001 using xBhp Connect mobile app

                          Comment

                          • #21508
                            Re: Cracker like sound coming from my Yamaha FZ 16, also not giving enough power

                            Originally posted by nadz11.ns View Post
                            Changed the front tyre for the first time after completing 328xx kms. FX1 model costing Rs. 1950/-
                            Ok you have completed 32000 km please tell us your riding habit like speed and tours.any problem specially engine(power drop,coolent,top speed,smoothness)

                            Sent from my C6902 using xBhp Connect mobile app

                            Comment

                            • #21509
                              Re: Yamaha FZ-16/ FZ-S

                              Hi guys i have an fz s. How do i check engine oil level.? Is there an indicator. I think my engine sound increased recently at high rpm. Last oil change was done 2000 km ago

                              Comment

                              • #21510
                                Re: Cracker like sound coming from my Yamaha FZ 16, also not giving enough power

                                Originally posted by deep007 View Post
                                Ok you have completed 32000 km please tell us your riding habit like speed and tours.any problem specially engine(power drop,coolent,top speed,smoothness)
                                The bike is 3 years and 6 months old with regular servicing and parts replacement (consumables).
                                My riding style is pretty normal. Most of the riding has been in city area and speed as per the traffic, but never fast. On highways, i do 80-90km/h mostly but it goes upto 100+ quite easily. Top speed has been 115km/h.

                                I haven't faced any problem with the engine or anything. The ownership has been quite trouble free. Even now the bike is smooth to ride.

                                Couple of times i had faced powerloss at high speeds but it all came down to either bad fuel or less fuel in the tank.

                                Also our fz doesn't have coolent.
                                Ride safe and have fun.
                                Regards
                                Nadeem

                                Comment

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