1122 640 2002 – Chain Sprocket 3/8" 7T (Genuine STIHL OEM Part) FS131 TRIMMER BIKE HANDLE Function: Guides belt and maintains

Function: Guides belt and maintains proper tension

and heat buildup

Part Type: Armature-Magneto / Ignition Component

Helps reduce blow-by and oil consumption when paired with proper ring sealing

this mulch kit ensures optimal airflow within the deck

1122 640 2002 – Chain Sprocket 3/8" 7T (Genuine STIHL OEM Part) FS131 TRIMMER BIKE HANDLE Function: Guides belt and maintains1122 640 2002 Chain Sprocket 3 8" 7T (Genuine STIHL OEM Part) The STIHL 1122 640 2002 Chain Sprocket is a genuine STIHL OEM drive sprocket featuring a 3 8" pitch with 7 teeth (7T), engineered for high torque professional chainsaws. This sprocket transfers engine power from the clutch to the saw chain, ensuring smooth acceleration, consistent chain speed, and reliable cutting performance under heavy loads. Manufactured to original STIHL specifications,