hybrid chinese motors and performance tuning

massive gains across the board with no negative consequences?

laid out over the last pull a a week or two ago. new rings and 25 miles of break in. the boost ports have 128 deg duration and the exh is untouched at 180 or 181.

ill do another pull in the next couple weeks with the ex widened and enlarged to 1 1/8 to match the header id. i also have a few different carbon reed thicknesses to play with after that.

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thanks david
 
they are both cool machines i know a guy here that did the same with a raptor 700 but it got an 05 r1 motor
 
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