making holes in airbox

can anyone help me with the making holes in the airbox i am keen to do it but i would like a templete

Ummmm... template? Why? What year? What bike?

I just used a 1" hole saw and made 4 holes on the left side of an 04WR450. Punched out the cast holes on the right side and put a couple more 1" holes there, and put the White Bros filtered hole inserts in them.


PS, if you want specific help with a bike, it helps to list the make, model, year, etc...

Look on for the mods that Indy did. The 03s don't have the knock outs on the right side like the 04s.

it is a 99 wr400f

Buy a Barnum's Air Box Kit. It is only money.

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