Isn't this a nice repair? I do a lot of these, especially on carburetors made of a high zinc aluminum alloy, such as this GL1000 carburetor.

I favor the Timesert system. It's designed around a more machinist-like ethos than other systems.

The Timesert thread insert is locked in place by broaching. That is, the final few threads are formed in place. It's very secure.

This promo pix from the company shows that unformed couple of threads.

The carburetor is drilled, then counterbored as shown in this pix.

The counterbore gives room for the insert's top lip to register to the carburetor.

The hole is threaded for the insert. It's a special thread requiring the unique tap supplied in the kit.

Then the insert is screwed in and the supplied broach forms the insert to the hole to lock it in place.

It's the very best way to treat bad carburetor threads,

This is the insert close up. It's threaded inside and out. Note the lip at the top also.

Timeserts can actually be nested. This pix shows three Timeserts, one inside the other and then another. The part is a cylinder head.

This carburetor had to have its idle jet hole repaired. A Timesert wasn't the best choice in this case. Instead, an aluminum plug was made, drilled and threaded for the jet.