Primer Bulb Replacement On Your Chainsaw. It's NOT hard!
The most common failure item on a small engine like the one used in this chainsaw is the small plastic primer bulb. Fuel and oil eventually harden the rubber and cause it to crack when used. Once this happens, fuel leaks out and the engine will not run. Replacements are found for a few dollars on Amazon or eBay, and the repair requires no special tools.

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