Similarly one may ask, how do I find out what year my Stihl chainsaw is? It's on the flat portion on top right beside the muffler. One may also ask, where is the serial number on a Stihl 044? Lakeside53 Stihl Wrenching nope. Homelite chain saws, on the other hand, have the serial number printed on the bottom side of the saw, and Husqvarna saws have the serial number near the oil cap, front handle, starter cover or on the bottom of the machine. Thereof, where is the serial number on a chainsaw? They will in most cases be 9 digits long and begin with the number 1, 2 or 5.
Where do I find my serial number? Most serial numbers are stamped in the motor housing or crankcase to the left or right of the muffler looking down from the top on a flat surface.