Products Description
MS210/MS230/MS250 Clutch Drum Set
3/8" LP Complete Clutch Drum Kit for Stihl Chainsaws
The MS210/MS230/MS250 clutch drum set is a complete replacement kit designed for Stihl MS210, MS230, MS250, and their predecessor models 021, 023, and 025 . This comprehensive assembly includes all essential components needed to restore the clutch and chain drive system to optimal working condition, replacing worn sprockets, clutch assemblies, and related hardware .
Technical Profiles & Materials
Complete All-in-One Kit – Includes sprocket, clutch assembly, needle bearing, worm gear, washer, E-clip, and spark plug. All necessary components for a full clutch drum replacement in one package .
3/8" LP Pitch Compatibility – Features 6-tooth spur sprocket with 3/8" Low Profile pitch, the standard chain specification for MS210/MS230/MS250 series saws . Verify your chain type before purchase, as some models may use the alternative 0.325" pitch system .
OEM Equivalent Specifications – Replaces OEM part numbers including sprocket #1123 640 2003 and #1123 640 2073, clutch assembly #1123 160 2001, and worm gear #1123 640 7102 .
Easy Installation – Each replacement part is designed for a perfect match with original components. Installation and replacement are quick and straightforward with standard tools .
Technical Specifications
| # | Parameter | Specification |
|---|---|---|
| 1 | Compatible Models | STIHL 017, 018, 021, 023, 025, MS170, MS180, MS210, MS230, MS250 |
| 2 | Sprocket Pitch | 3/8" LP (Low Profile) |
| 3 | Sprocket Teeth | 6 Teeth (standard spur type) |
| 4 | OEM Sprocket No. | 1123 640 2003, 1123 640 2073 |
| 5 | OEM Clutch No. | 1123 160 2001 |
| 6 | OEM Worm Gear | 1123 640 7102 |
| 7 | Kit Contents | Sprocket, Clutch, Needle Bearing, Worm Gear, Washer, E-Clip, Spark Plug |
| 8 | Weight | Approx. 200g |
Products Application
Stihl MS250 Clutch Replacement
Direct replacement kit for MS250 chainsaws experiencing worn sprockets or slipping clutches. Restores proper chain drive engagement and power transfer to the cutting chain .
MS230/MS210 Drive System Overhaul
Ideal for servicing the clutch system on smaller Stihl saws. The comprehensive kit ensures all wear components are renewed simultaneously, preventing premature failure of new parts .
Preventative Maintenance
Replacing the complete clutch drum assembly is recommended when the sprocket shows signs of wear or chain drive becomes inconsistent. The included spark plug adds value for routine maintenance .
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
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FAQ
Q: How do I confirm this clutch drum set fits my chainsaw?
A:Check your chainsaw model number on the housing. This set fits STIHL MS210, MS230, MS250, 021, 023, and 025 models . Verify your chain pitch is 3/8" LP and sprocket type is spur. This kit uses 6-tooth sprocket configuration .
Q: What is the difference between 3/8" LP and 0.325" pitch kits?
A: 3/8" LP (Low Profile) has smaller teeth and is standard on smaller saws like MS210/MS230/MS250 . 0.325" pitch is larger and used on some configurations . A 0.325" kit WILL NOT work with a 3/8" LP chain system, and vice versa .
Q: What is included in the complete kit?
A: The set includes: 1 × sprocket/pinion gear, 1 × clutch assembly, 1 × needle bearing, 1 × worm gear, 1 × washer, 1 × retaining ring/E-clip, and 1 × spark plug .
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