mc21 airbox mod

**Sat May 31, 2008 9:00 pm » Post: #1 » Download Post**

Would doing the airbox mod on a mc21 be easy enough to do at home?
If so any pictures?
If not who would you recommend?
Cheers, Grant.

**Sat May 31, 2008 9:08 pm » Post: #2 » Download Post**

Couldn't be any easier... it's like drilling through soft plastic!! Very Happy

20mm flat wood bit -- drill 4 evenly spaced holes in the front slope of the airbox lid. Should be obvious when you look at it!

Short length of duct tape -- for covering two holes on colder days/evenings to richen it back up a little if necessary!

Simple.
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**Sun Jun 01, 2008 4:18 am » Post: #3 » Download Post**

A forstner bit makes a pretty clean hole

**Mon Jun 02, 2008 1:56 am » Post: #4 » Download Post**

If you couldn't be stuff getting a wood drill bit, you can use a small drill and drill lots of holes in a 20mm circle then use the drill like a die grinder to join them all up and smooth it out

Wood drill bit is alot easier though.
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