Take it back to whoever did the carb work. There are two jets on those, an idle jet which can be adjusted for idle speed, and the power jet that kicks in when the saw is under work load. You still have a problem with the power jet, either needs adjusting 1/4 turn at a time until the saw stops killing under load, or the jet and assembly is bad.
SOURCE: chainsaw makita dcs 340 was running fine until i
The pull cord shouldn't have anything to do with your problem.
Check the fuel lines for cracks/breaks. If they are o.k., then:
Youwill need to disassemble the carburetor and spraywith carb.cleaner. Make sure the small screen is free of debris.(Should be able to see daylight through it.) Use a Den Tek Brush, (http://www.drugstore.com/products/prod.asp?pid=165357&catid=1152),to clean the small portals in carb. These portals canbecome blocked. Reassemble and start.
If the carb. parts are more than 4 years old, you may have to replace them.
If you need further assistance, just let me know.
Jim
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