×
Call or Text us: (+239) 332 1305
- Home
- STILH BRAND
- 1125 640 7110 – STIHL Worm Gear (Genuine OEM Part)
Description
1125 640 7110 – STIHL Worm Gear (Genuine OEM Part)
The STIHL 1125 640 7110 is a genuine OEM worm gear, designed to drive the oil pump on compatible STIHL chainsaws. This component is a critical part of the chain lubrication system, transferring rotational motion from the clutch drum to the oil pump to ensure consistent bar and chain lubrication during operation.
Manufactured to STIHL’s original equipment specifications, this worm gear is engineered for precise engagement, smooth rotation, and long service life under continuous load. Using a genuine STIHL worm gear ensures proper oil delivery, correct fitment, and reliable lubrication performance.
Product Details
-
Manufacturer Part Number: 1125 640 7110
-
Brand: STIHL
-
Part Type: Worm Gear
-
System: Oil pump / chain lubrication system
-
Function: Drives oil pump from clutch drum
-
Material: High-strength engineered polymer
-
OEM Status: Genuine STIHL OEM replacement
Function
-
Transfers motion from the clutch to the oil pump
-
Ensures continuous bar and chain lubrication
-
Supports proper chain cooling and wear reduction
Compatible With STIHL Chainsaws
-
MS 290
-
MS 310
-
MS 390
How It’s Used
This worm gear installs behind the clutch drum and meshes with the oil pump drive. As the clutch rotates, the worm gear turns the oil pump, supplying bar oil to the guide bar and chain during cutting. Proper installation and engagement are essential for consistent lubrication and safe operation.
Suggested Maintenance
-
Inspect the worm gear whenever servicing the clutch or oil pump
-
Check for worn, stripped, or cracked gear teeth
-
Clean debris and sawdust from the clutch area regularly
-
Replace the worm gear if oil flow becomes inconsistent or stops
The STIHL 1125 640 7110 Worm Gear is used in OEM-specified lubrication systems where reliable oil pump drive and proper chain lubrication are essential for long-term chainsaw performance.
