Posted by Steve@Advance on April 18, 2020 at 10:18:28 from (66.169.147.211):
In Reply to: Carburetor rebuild posted by J Hamilton on April 18, 2020 at 07:24:57:
The old carbs are really simple.
If you have any mechanical ability at all, you will find it's nothing to be afraid of.
Most people mess them up trying to take apart unnecessary items, like removing the plates and shafts. As long as the shaft is not excessively worn, and it can be freed up to operate, it will be fine.
Be sure to work over a clean surface so nothing gets lost. Use good tools, the right size screw driver so not to round out brass jets and screws. If a jet refuses to come out, stop before rounding out the screw slot. Either leave it, or put some heat on it to get it moving.
As for repair kits, I would take it apart first, see what it needs. There are minor repair kits, and "comprehensive" kits that are expensive but have all the parts needed for a complete rebuild (not usually needed, see the caution above). Sometimes you don't need anything, just ease it apart, clean it up, go back together.
Don't depend on air and chemicals to clean jets. They need to be scraped out with a wire or torch tip cleaner. Especially so if it's had dried ethanol gas left in it.
You can do this, plenty of how to videos on YouTube, part break down diagrams, and spec sheets online. You will find that most specialty carb shops grossly overcharge (my opinion only), preying on fear and knowing they will probably get it back when it doesn't work.
Speaking of not working...
A carburetor can only work as well as the rest or the engine is tuned and is capable of running. Poor ignition, low compression, dirty fuel will not let the most prefect carb work properly!
Be sure to clean out the gas tank, and the sediment bowl, be sure the screens are in place and flush the line before connecting to the carb. The tiniest speck of trash in the needle valve will make it flood.
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