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How would a pulsar 200 behave with p220 head

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  • #1

    How would a pulsar 200 behave with p220 head

    Well...

    Pulsar 200 and 220 share a same bore of 6.7cm,
    while the P200 has 5.64cm stroke and the P220 has 6.24cm of it.

    Now my question is

    1. How would a pulsar 200 with the head of P220 behave?

    > Loss in compression? What can be done to accommodate the loss
    > any other

    2. Can a p200 be a p220 with the head and connecting rod (gudgeon pin) change. Is that how the difference in stroke is achieved.

    3. what is the piston size of p180 and p200, p220. [I suppose the piston size will be same for the p200 & p220]

    4. What are the various upsizing options in boring, and what is the maximum recomended.
    Presence of MIND and self CONFIDENCE is the primary aspect You need to be on road, not what brand your riding gears are.
    If you lack these two then DONT

    Feel the pleasure of Ultimate Biking
    __________________________________________

    . . .     alwayzaLive . . .
    Tags: None
  • #2
    Query approved
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    • #3
      Originally posted by ARNandal View Post
      Well...

      Pulsar 200 and 220 share a same bore of 6.7cm,
      while the P200 has 5.64cm stroke and the P220 has 6.24cm of it.

      Now my question is

      1. How would a pulsar 200 with the head of P220 behave?

      > Loss in compression? What can be done to accommodate the loss


      2. Can a p200 be a p220 with the head and connecting rod (gudgeon pin) change. Is that how the difference in stroke is achieved.
      nope you need to change the crankshaft to acheive it
      3. what is the piston size of p180 and p200, p220. [I suppose the piston size will be same for the p200 & p220] p180 i think runs on 63.5mm bore and p220 and 200 on 67mm bore

      4. What are the various upsizing options in boring, and what is the maximum recomended.
      reboring is done is usually done in incriments of .25mm . the max is 1mm over standard
      answers in bold
      Kawasaki KB100/enduro/125 substitute parts list http://www.xbhp.com/talkies/508615-post105.html

      Comment

      • #4
        Originally posted by ARNandal View Post
        Well...

        Pulsar 200 and 220 share a same bore of 6.7cm,
        while the P200 has 5.64cm stroke and the P220 has 6.24cm of it.

        Now my question is

        1. How would a pulsar 200 with the head of P220 behave?

        > Loss in compression? What can be done to accommodate the loss
        > any other

        2. Can a p200 be a p220 with the head and connecting rod (gudgeon pin) change. Is that how the difference in stroke is achieved.

        3. what is the piston size of p180 and p200, p220. [I suppose the piston size will be same for the p200 & p220]

        4. What are the various upsizing options in boring, and what is the maximum recomended.
        Yes, there will be loss in compression, you can bore the cylinder size to compensate the loss, but again even after doing this you will not achieve optimal performance as the diameter of the bowl will be shorter than the diameter of the cylinder bore.

        To make it optimal, again you'll widen your bowl size thus decreasing the compression even further.
        Which will pull you back to square one...

        To make your bike a complete 220, you will have to change your crankshaft, the con-rod, the timing chain, the cylinder head, and (maybe) your block too.

        I would personally recommend you to wait for a 4 valve p220 to come up, you can then swap your cylinder head with a 4 valve head which should give a remarkable increase in performance.
        Besides, why are you soo keen on swapping the head, you can just bore your current cylinder and accommodate a bigger piston (if you can find one).
        Giving a lot to a fiero.
        Expecting a lot from a fiero.

        Comment

        • #5
          Thankyou kb...

          @NCG:

          What maximum bore upsize, can we manage on the current head?

          thankyou nano.
          Presence of MIND and self CONFIDENCE is the primary aspect You need to be on road, not what brand your riding gears are.
          If you lack these two then DONT

          Feel the pleasure of Ultimate Biking
          __________________________________________

          . . .           alwayzaLive . . .

          Comment

          • #6
            Originally posted by ARNandal View Post
            Thankyou kb...

            @NCG:

            What maximum bore upsize, can we manage on the current head?

            thankyou nano.

            which is the current head p180/200/220
            Kawasaki KB100/enduro/125 substitute parts list http://www.xbhp.com/talkies/508615-post105.html

            Comment

            • #7
              On the p220
              how much of extra mm can be stretched.
              Presence of MIND and self CONFIDENCE is the primary aspect You need to be on road, not what brand your riding gears are.
              If you lack these two then DONT

              Feel the pleasure of Ultimate Biking
              __________________________________________

              . . .               alwayzaLive . . .

              Comment

              • #8
                that will depend upon the thickness of the liner, i think joel has 230 cc kits for p220
                Kawasaki KB100/enduro/125 substitute parts list http://www.xbhp.com/talkies/508615-post105.html

                Comment

                • #9
                  10cc increase is an increase in bore by 1.66mm of the p220.
                  There are riders here who have went for more mm, what is the maximum increase that would be possible as well as reliable on this p220 head?
                  Presence of MIND and self CONFIDENCE is the primary aspect You need to be on road, not what brand your riding gears are.
                  If you lack these two then DONT

                  Feel the pleasure of Ultimate Biking
                  __________________________________________

                  . . .                   alwayzaLive . . .

                  Comment

                  • #10
                    Originally posted by ARNandal View Post
                    10cc increase is an increase in bore by 1.66mm of the p220.
                    There are riders here who have went for more mm, what is the maximum increase that would be possible as well as reliable on this p220 head?
                    without knowing the thickness of the liner it is difficult to say that ,and you are right a lot of se asian guys have re sleeved the stock bores to higher capacity
                    Kawasaki KB100/enduro/125 substitute parts list http://www.xbhp.com/talkies/508615-post105.html

                    Comment

                    • #11
                      If the sleeve size is 5mm, its possible to go upto 3mm.
                      However you will have to get the head enlarged also to match the extra 3mm.

                      Besides, the most important thing is FINDING A PISTON that's 3mm more than the current bore size...
                      Once you do that, only then consider boring and other things.
                      Giving a lot to a fiero.
                      Expecting a lot from a fiero.

                      Comment

                      • #12
                        ive opened my piston and its written 50mm or so
                        (HONDA DIO)

                        and my mechanic said we can bore upto 1mm
                        n piston of 1mm size is available

                        so whats my cc now ?
                        FaceBook Id - Phaneendra Ch

                        http://https://www.facebook.com/MightyDoc

                        Comment

                        • #13
                          How do i source a proper sleeve specifically, if a go for more than 5mm?
                          And a sleeve is mentioned for the cylinder wall right?

                          @ hunkofgals:

                          a cc of an engine depends on the bore and stroke, and not bore alone
                          If i got it right your honda dio is running on 50mm bore and 52mm,
                          its near 102.05cc ~ 100cc

                          here is the calculation for displacement

                          displacement = 3.14 X square of (radius of the bore) X (Lenght of stroke)
                          Presence of MIND and self CONFIDENCE is the primary aspect You need to be on road, not what brand your riding gears are.
                          If you lack these two then DONT

                          Feel the pleasure of Ultimate Biking
                          __________________________________________

                          . . .                           alwayzaLive . . .

                          Comment

                          • #14
                            joel has on offer a 230cc bore kit for the pulsar 200 as well, ad think if u ask him he can have a bigger piston machined for you because he gets his pistons machined from ART itself.
                            Or if u know anyone in malaysia then u can get a kit from there and use it
                            Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming, 'Wow! What a Ride!' -Hunter S. Thompson

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                            • #15
                              @revvhard,

                              Well am looking for somemore cc,

                              Kit from malaysia??? Can you please explain the specification..

                              i have a friend of mine there...
                              Presence of MIND and self CONFIDENCE is the primary aspect You need to be on road, not what brand your riding gears are.
                              If you lack these two then DONT

                              Feel the pleasure of Ultimate Biking
                              __________________________________________

                              . . .                               alwayzaLive . . .

                              Comment

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