Main jet drilling

fourbarrel

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Joined
May 5, 2003
Messages
2,765
Location
St George,New Brunswick,Canada
I have seen videos of small engine work where the host used a main jet drill bit kit to either clean or enlarge a carbs main jets. I believe it was a Mikuni kit,which isn't available any more, so I'd like to know if anyone has done this,what did you use and where did you get it? Also I see some thread online where reaming is recommended vs drilling. I have a handful of small main jets that I can upsize to what my needs are now and yes I can easily just buy new one of the sizes needed. I'm looking for info on these main jet drilling sets or an alternative.
 

i had gotten my set of jet drill bits through my snap on tool dealer when i started screwing around with the jetting on my xt350 when i started modding it.
 
set is at my brothers where the bike is as he is still playing with the jetting on it.

this looks like the set i bought 1st
  • YA246A
 


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