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About bjarkij

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  1. bjarkij

    SX400 with 540cc kit

    This is one clean bike.
  2. bjarkij

    SX400 with 540cc kit

    Thanks, I thought of this but I like to keep the short stroke, else I fear I loose the MX track ability by slower reving engine like the 525 has more Enduro than Mx feeling
  3. Hi all, I want to install 540cc Kit (for 525cc bike) on my SX400/2001 if you have done this or some one you know, how much do I need to mill from the 540cc Cylender top? is there anything else needed? Did you calculate the Cc upon installation?