Posted January 11, 200916 yr hi guys. just a quick question. as i have my yzf750 sp apart at the mo doing my spark plugs is it worth me drilling the airbox? does anyone know the pros and cons to this? i will drill the right side! honest. thankyou
January 11, 200916 yr No point at all. Why? because where you would have to drill, there will be so little air flow, you will not notice a difference. You would be better off switching to forced induction if you want to go down that route.
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