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TeeZees GP125 21 rwhp @ 9,000 rpm, not to sure how this one will go. Looking forward to getting back to the dyno after Taupo so I can properly try out Sonic_Vs ideas on rotary valves and header spacers.
Pictures 2 and 3 show the ducting for cooling the head, we want 26 - 28 rwhp from this engine next year.
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