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Query regarding K&N Filters.

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  • #1

    Query regarding K&N Filters.

    Hello guyz,
    I own a Fazer, which has clocked almost 900kms. I have finished my first service one week back. I fit Iridium Spark plugs for my bike yesterday and the bike's really awesome. Now I want to fit K&N air filters for my bike. I live in Chennai and I would welcome it if somebody would suggest me a good place to go and fit K&N. I asked one guy about re-jetting/up-jetting after fitting the K&N filter..He says it is not required and the bike will automatically change the Jet..? I didn't understand this properly..Should I fit K&N filters now or not??? And what about the Re-jetting after that?? Please do help me..!
    Tags: None
  • #2
    Query Approved.
    :)

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    • #3
      lol the mechanic is lying , jets cant change 'automatically ' . u need a bigger jet after k&n as air flow is higher so we need to supply more fuel as well .

      Comment

      • #4
        Originally posted by Puneet1 View Post
        lol the mechanic is lying , jets cant change 'automatically ' . u need a bigger jet after k&n as air flow is higher so we need to supply more fuel as well .
        Could you please explain more?? Bigger jet in the sense?? What should I do now???

        Comment

        • #5
          see as for indian bikes k&n or any aftermarket filter wont show any significante performance..unless you upjet..
          the only thing you get is the sound
          so do upjet if you fitting an aftermarket air filter......

          ok,....
          ujetting means,.....
          changing the stock jet wit a higher size jet...
          ok jet mean.....itz a nut i mean through which the fuel flows... to the engine....so if you make the hole bigger more fuel goes...
          so after fittin an aftermarket filter or k&n the air has increased but the fuel flow remains the same due to same size jet...so the only thing you can notice is that you get sound...you may thing the power has increased but no ...try to race with a stock bike of the same bike
          u will get to knoe
          so to match the airflow you have to increase the fuel flow so we do upjetting means increasing the hole size
          it is situated in the carb...
          just shared my knowlegde ....
          hope dis helps u...
          sigpic

          Comment

          • #6
            Originally posted by joelkraju View Post
            see as for indian bikes k&n or any aftermarket filter wont show any significante performance..unless you upjet..
            the only thing you get is the sound
            so do upjet if you fitting an aftermarket air filter......

            ok,....
            ujetting means,.....
            changing the stock jet wit a higher size jet...
            ok jet mean.....itz a nut i mean through which the fuel flows... to the engine....so if you make the hole bigger more fuel goes...
            so after fittin an aftermarket filter or k&n the air has increased but the fuel flow remains the same due to same size jet...so the only thing you can notice is that you get sound...you may thing the power has increased but no ...try to race with a stock bike of the same bike
            u will get to knoe
            so to match the airflow you have to increase the fuel flow so we do upjetting means increasing the hole size
            it is situated in the carb...
            just shared my knowlegde ....
            hope dis helps u...
            Who will do this Up-jetting? And once its done, it can't be changed right...is it harmful in any way if i do it?? Can you suggest any place in Chennai where I can do it??

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            • #7
              In my opinion NO.NO.NO..!!.. It is use less ok if you still wants it you have to put free flow exhaust with up-jetting it to support it....otherwise your engine will have very short life...
              Ride Safe & Ride Long-->
              Zayn

              Comment

              • #8
                i dont knoe where you will get the upjetting thing done in chennai...ask any one from any chennai xxhbp member..
                see we can change the jet...itz a nut (thatz what i call)
                itz like changing the nut...
                itz a simple thing,..
                and it wont harm your bike.rather there will be less heat...
                sigpic

                Comment

                • #9
                  yeah you wont be getting that much power ..
                  just you will get slightly better mid range and top end...you can defeat stock fz .thatz for sure if upjetting and tuning done properly with k&n
                  sigpic

                  Comment

                  • #10
                    Thank you guyz....Can somebody find a Jet for my bike?? Yamaha Fazer....I heard different bikes have different Jets....

                    Comment

                    • #11
                      Dude are the iridium sparks really helping ? coz im planning to get them fitted onto my pulsar 220 dtsi...
                      WARNING : This bike has been Joel-ed
                      Tuned By Raceconcepts : Mutant P220
                      http://www.xbhp.com/talkies/pit-stop...tml#post716856

                      DIY : How to put a clock on your motorcycle
                      sigpic
                      http://www.xbhp.com/talkies/do-yours...otorcycle.html

                      Comment

                      • #12
                        Originally posted by Abhi6 View Post
                        Who will do this Up-jetting? And once its done, it can't be changed right...is it harmful in any way if i do it?? Can you suggest any place in Chennai where I can do it??
                        There is this place in Royapettah- CBX Racing, look for this guy Awaiz......
                        This mod is totally reversible.....u can fit back the stock jets.
                        What he il do is remove the air box of ur FZ,fit k&N directly to carb.....
                        He il first check the spark plug reading, if its really running lean or else he il do upjet....he knows all these stuffs coz he is the one who does servicing of all SBKs in chennai....if lucky u can see R1,Aprilia 1000R.....

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                        • #13
                          hi
                          is it true K & N filter increases bhp by almost 1.
                          ARRIVE ALONE

                          Comment

                          • #14
                            @Ashwin Yes, the Iridium Spark plugs are good. I could feel a better acceleration while riding my Fazer, also the Top speed should be definitely better by atleast 2-3KM/H.
                            @Suresh Can you kindly give me your contact number so that I could ask you doubts regarding that person you mentioned over the phone..Urgent Please !
                            @akmaintu Yes, there is an increase in the bhp after fitting K&N filters..if the upjetting is done properly...

                            Comment

                            • #15
                              Originally posted by Abhi6 View Post
                              @Ashwin Yes, the Iridium Spark plugs are good. I could feel a better acceleration while riding my Fazer, also the Top speed should be definitely better by atleast 2-3KM/H.
                              Please stop dishing out incorrect information. Sparkplugs alone will not have any affect on acceleration and topspeed.

                              A sparkplug will not alter the gearing of your bike!
                              _________________________
                              LoneWolfRides©

                              Comment

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