Having problems running my chainsaw?

No spark could be a number of issues. Break in ignition wire, faulty switch, incorrect timing space, faulty ignition module, bad sparkplug or the spark plug lead.
The running problem is most likely a fueling issue, check the fuel lines, filter and make sure fuel is getting into the cylinder.

What to do if your chainsaw won't stay running?

arborist101.com/what-to-do-if-your-chainsaw-wont-stay-running/

Idle ports may be plugged or blocked - This is the small ports in the carburetor where the fuel passes through when in idle. ... Vent in the Fuel Cap is plugged - If the vents in the fuel caps are clogged the fuel becomes vacuum locked. ... Starting with the High Speed screw, turn it ...

Craftsman 16" Chainsaw Fix - Won't Run - Fixed! - YouTube

? 1:32
https://www.youtube.com/watch?v=aIUVQziXBPY
Jul 7, 2011 - Uploaded by BriggsRepair
Is this Craftsman 16" chainsaw broken? Hardly. Watch this carburetor fix and how it runs brand new!

Chainsaw won't stay running - DoItYourself.com Community Forums

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Sep 20, 2008 - Chainsaw won't stay running. Craftsman 16" chainsaw, fuel/oil ratio 40:1. Saw is 10 years old, used once or twice a season. Last used in spring ... chainsaw wont stay running
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Why won't my chainsaw stay running? ' Yahoo Answers

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re you saying cylinders 3 and 4 are constantly misfiring?

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.

Did you clean the air filter? Wrong idle settings.It is possible that there are also internal damage to the engine.
Can you tell more details chainsaw brand.

How much is this chainsaw work done?

Poulan Chainsaws are pretty well all powered by two stroke engines. My best guess is that you have the fuel mixture incorrect (it should be a 1:40 ratio of oil to gas). if the fuel mixture is not the problem then your choke is messed up. If you haven't tried already try and find the sweet spot in the choke where it will run.

you need to run high test gas is the gas old

there are two adjustment screws on the carb that you can mess with it sounds like it is out of adjustment a little bit one should say hi the other lo try the high adjustment count the number of turns so it can go back where it was

go to www.driversguide.com there select your operating system and download the drivers and install it ok.

European power is at 50 CPS too. I wouldn't! It will run at half power, it may overheat, probably not safe. How much value do you place on your life? A new chainsaw (built for 110VAC) is pretty cheap insurance.
Lou