Air box mod and wheelies???

bigjohn141

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I was excited about winning the HID raffle (thanks again cache) so I when out in the garge and started tinkering with the busa. It was a nice night, around 70, so I decided to finally remove the flapper in the air box. I didnt do the full mod by cutting the opening out, just removed the flapper. I took it for a test ride and didnt notice a whole lot of difference in riding it until I did a power wheelie. Before I was kinda like before you gas it and the front wheel barely comes up or it comes up real fast. Now it seem like the off-on thing has gone away, it just comes up nice and smooth. I thought it was a rare thing so I tried it again and the same thing, nice and smooth. I was just wondering if my mind playing tricks and I am just getting better at wheelies or did removing the flapper smooth everything out since there is nothing to open to cause a sudden change in power? Has anyone else experienced this or am I crazy??
 
Above 4k RPM's the bike will be faster. Below 4k a stocker will get you.

If your powering it up around 6k, that's why you notice a difference.
wink.gif


Do a search on some older threads, many tests done with the box mod.
 
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