VIking/Stihl lawnmower pinion

This is 10 tooth pinion gear for Viking/Stihl lawnmower used in many models like MB4 RT.
This suits left & right

Print the part with 0.6 with 0.4 mm nozzle (150%) line width to get extra strength. Also you could add 100% infill block around the axle's drive pin area.

Note, this is constant speed gear with no free rotation. Pushing lawn mover faster that constant speed just release the drive handle.

OEM No. 0000 640 2505 & 0000 640 2500