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Old 07-19-2008, 11:03 AM
Howitt Howitt is offline
Motorized Bicycle Member
Join Date: Jun 2008
Posts: 28
Default Re: how to redrill main jet?

It was stock before I drilled it .70mm and now I have it drilled to .85mm or .90mm. I purchased a set of drill bits from a hobby shop and they were ranged from #70 to #52. I found the bit that was the same size as the main jet hole and then went to the next bigger size. When I put the next size through it didnt seem to make the hole any bigger so I went up a few more sizes.

I will try to move the clip to the top notch and see how it runs.
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