Chainsaw

About

Chainsaw parts affect cutting performance and operator safety. A dull chain, worn guide bar, clogged air filter, cracked fuel line, failed spark plug, weak starter, damaged sprocket, or poor oiling system can make a chainsaw hard to start, slow to cut, or unsafe to use. GenuineReplacementParts.com helps customers shop chainsaw replacement parts by model number, bar and chain specifications, engine type, and symptom. A chainsaw has a cutting system, power system, oiling system, starting system, and safety system. The cutting system includes the guide bar, saw chain, drive sprocket, clutch, bar nuts, side cover, and chain tensioner. A gas chainsaw also has a carburetor, air filter, fuel filter, fuel lines, spark plug, ignition coil, muffler, recoil starter, primer bulb, and fuel tank parts. A cordless chainsaw uses a battery pack, terminals, motor, trigger, control board, and charger. What are the main parts of a chainsaw called? The guide bar supports the chain. The saw chain carries the cutters. The drive sprocket moves the chain. The chain tensioner adjusts chain slack. The chain brake and front hand guard help stop the chain during kickback. The oil pump sends bar oil to the chain and bar. On gas models, the carburetor mixes fuel and air, and the spark plug ignites the mixture. Bar and chain matching is one of the most important ordering steps. A replacement chain is not chosen by bar length alone. The chain must match pitch, gauge, drive-link count, bar length, and compatible bar mount or saw model. Many bars have specifications stamped near the mounting end. If those markings are gone, check the manual, old chain package, or model-specific parts diagram. Common symptoms point to common parts. A chainsaw that will not start may have old fuel, clogged air filter, cracked fuel line, bad spark plug, carburetor problem, or ignition issue. A chain that will not move may involve the chain brake, clutch, sprocket, tension, or bar. A chain that smokes or turns blue may n