1. Which is best, block main air vent and jet or leave main air vent and fit bigger jet?
2. Do you position engine breather in the air box?
3 any one tried with and without velocity stacks within the air box?
Thanks for any advice
There seems to be more and more members appearing that are racing the ZXR400 so i've created a special section just for you to show off results, discuss meets etc etc.
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