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- Apr 5, 2024
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I have several saws that do not die when the idle screw is backed all the way out, meaning that the throttle butterfly is all the way closed.
This has bothered the heck out of me, and I have done dozens of vac/pressure tests on these saws, swapped carbs, tested fuel lines, resealed intake blocks, and even resealed base gaskets. I have idled them and sprayed them down with carb cleaner even. They do not show symptoms of air leaks. Throttle shafts are not worn excessively, but a couple of them do have very slight movement - like very little. A couple of them have perfectly tight throttle shafts and butterfly valves.
If the saw idles at a good speed and seems to run fine, should I not worry about this? I'd love to hear all your thoughts.
Thanks
This has bothered the heck out of me, and I have done dozens of vac/pressure tests on these saws, swapped carbs, tested fuel lines, resealed intake blocks, and even resealed base gaskets. I have idled them and sprayed them down with carb cleaner even. They do not show symptoms of air leaks. Throttle shafts are not worn excessively, but a couple of them do have very slight movement - like very little. A couple of them have perfectly tight throttle shafts and butterfly valves.
If the saw idles at a good speed and seems to run fine, should I not worry about this? I'd love to hear all your thoughts.
Thanks