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- 1125 640 2008 – STIHL Spur Sprocket for MS 290 (Genuine OEM Part)
Description
1125 640 2008 – STIHL Spur Sprocket for MS 290 (Genuine OEM Part)
The STIHL 1125 640 2008 is a genuine OEM spur sprocket, specifically designed for the STIHL MS 290 chainsaw. This sprocket is a key component of the chain drive system, transferring engine power from the clutch to the saw chain for smooth, consistent cutting performance.
Manufactured to STIHL’s original equipment specifications, this spur-type sprocket provides precise chain engagement, reliable torque transfer, and long service life under demanding cutting conditions. Using a genuine STIHL sprocket ensures correct fitment, proper chain alignment, and factory-correct operation.
Product Details
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Manufacturer Part Number: 1125 640 2008
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Brand: STIHL
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Part Type: Spur Sprocket
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Style: Spur (fixed) sprocket
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System: Clutch / chain drive system
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OEM Status: Genuine STIHL OEM replacement
Function
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Transfers engine power from the clutch to the saw chain
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Maintains consistent chain speed and engagement
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Supports smooth and efficient cutting performance
Compatible With STIHL Chainsaws
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MS 290
How It’s Used
This spur sprocket installs on the clutch drum assembly of the STIHL MS 290. As the engine runs, the sprocket drives the chain directly, allowing controlled power delivery to the guide bar and chain during cutting operations.
Proper sprocket condition is essential for chain life, cutting efficiency, and overall drivetrain performance.
Suggested Maintenance
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Inspect the spur sprocket regularly for hooked or unevenly worn teeth
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Replace the sprocket when installing a new chain to reduce premature chain wear
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Keep the clutch area clean to prevent debris buildup
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Lubricate and maintain the chain and bar to reduce sprocket stress
The STIHL 1125 640 2008 Spur Sprocket is used in OEM-specified drive systems on the MS 290 where durability, correct fit, and reliable power transfer are required.
Additional Information
Shipping & Return
Reviews
R
Robert Perfect fit and fast shipping.
R
Robert Perfect fit and fast shipping.
