Installing a HeliCoil insert requires drilling out the original hole to match the new coil, tapping the hole for the coil, installation, and tang removal. You can purchase the insertsindividuallyor inkits. You need a master kit for the size of threads you are working with if you do not ha...
Spark plugs that haven't been changed for a long time can become one with the cylinder head. Fortunately, it's possible to repair damaged threads instead of scrapping the head.
so the contour of the cage is the same for both our bikes. We also both use a 53 tooth chain ring, so the radial location of the front derailleur from the bottom bracket is the same. With the Merlin lying on its side, I laid a sheet of plastic (cut from a plastic bag) over the...
Remove the bolt from the stripped threads. If there is a broken bolt remaining inthe hole, use a bolt extractor to remove the bolt from the threaded mounting hole. Step 2 Place the Helicoil recommended drill bit for the hole size being repaired into the drill. Drill the hole deep enough t...