Home Forums General Karting Discussion Rotax cylinder year performance difference

This topic contains 1 reply, has 2 voices, and was last updated by  Stewart Willis 4 years, 7 months ago.

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  • #25334

    Tahseen Ibrahim
    Participant

    I’ve been looking through, and I couldn’t really find a answer to this question yet.

    I was wondering if there is any difference in performance between different year model Rotax Sr engines. I heard that the 07 cylinder was dyno’d and has almost 1 hp more than other years. But I read on another forum that the 09 barrel is a few tenths quicker than an 07. I’ve also heard from people that the newer models are quicker.

    So basically I’m not sure what the deal is on this one. Is there a difference in top end or bottom end power between different year Rotax’s(old vs new, 07 vs. 09, etc.)?

    Thanks in advance.

  • #25353

    Stewart Willis
    Participant

    They are all the same.

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