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I have read alot of different articles on jet kits for early zx-7 ninjas and they say an average of 5-7% increase in horsepower can be obtained with a stage 1 kit. I was wondering if anybody has some real life figures and numbers they can give me, thanks!!!
 

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i know mine is not a zx7 but i put a stage 1 dyno jet kit and yosi trs slip on on my bike (zx9) and the power was 141.7 rwhp i think they are 125-127 stock and i believe most of that power came from the jet kit
 
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