Stihl 1147 640 7110 Worm Gear Drive Links_92 The single lens

The single lens

part number 4144 020 2050

rope grab positioner and autolocking carabiner

the "V" pulley is not used

Turning it in the releasing position and pressing the thumb brake needs very little force

Stihl 1147 640 7110 Worm Gear Drive Links_92 The single lensThe Worm Gear is an authentic Stihl replacement part designed specifically for the MS 500i and MS 500i? W chainsaws, identified by OEM No. 1147 640 7110. This precision moulded gear is crafted from durable polymer, ensuring reliable performance and longevity. This essential component effectively transfers drive from the clutch side to the automatic chain oil pump, maintaining consistent lubrication for the bar and chain. By ensuring steady oil flow,