you can check out what other guys are doing at:

http://www.thumpertalk.com/forum/76-kawasaki-2-stroke/

looks like stock is a 50 on the pilot
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Toby
TRH_Events@hotmail.com
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Kyle '14 KTM 250xc '08 CRF 450R #215
Terri '07 CRF230F
Toby - '04 YZ250 , '10 KTM 300 XC-W #394
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