need help porting my cylinder

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westy_ca
BMX
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Joined: Sat Aug 04, 2012 12:19 pm
Location: Phoenix/winter Canada/summer

need help porting my cylinder

Post by westy_ca »

Can anyone tell me where and how much to remove from both intake and exh ports on my gyro nn50... Im looking mostly for more take off power but a bit more top end wouldnt hurt either.

Thanks for now :coolcruise:
1984 Gyro NN50
gets me to work and back every day... well ok maybe not in the winter
soon to be a Taz piston
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