He moved down the list to Ignition . – the spark plug. He swapped it. Still nothing. Then his eyes landed on the Crankshaft & Piston section. Part #4140 020 2001 – the piston ring. That meant a tear-down.
Marlon spent the next two hours in the shade of a live oak, the parts list spread beside him like scripture. He methodically checked every gasket, every seal. The list told him the fuel hose was . The air filter was 0000 141 1104 . Even the tiny retaining screw for the guard had a number: 4140 713 4000 . stihl fs 230 parts list
First, he ran his finger down the Fuel System column. – the carburetor. He checked the fuel filter first (small, white, cheap), then the spark arrestor in the muffler. Clogged. He replaced both. The trimmer fired once, then died again. Deeper trouble. He moved down the list to Ignition