Chainsaws for a Decade of Service – Part 4, by Tunnel Rabbit
(Continued from Part 3. This concludes the article.) Critical Replacement Parts for the Long Term The single most common reasons small engines fail to operate at all or correctly is attributed to their fuel system that include water in the fuel, old fuel, or cracked fuel lines. And number one for chainsaw problems: old, dry and brittle fuel pump diaphragms inside the carburetor. At one time the only affordable way to correct these problems was to install a rebuild kit. However, there are other causes that make a carburetor less able to function such as fine deposits and internal corrosion. …