Description
Overview:
The Rim Sprocket Kit 3/8" (9.5 mm) 7T is a genuine Stihl replacement for the chain drive on selected professional chainsaws, including the MS 640 and MS 650. Built from durable steel, it restores smooth, accurate chain engagement and helps maintain consistent cutting performance under load. The 3/8" (9.5 mm) pitch with a 7‐tooth profile is a common setup for mid‐ to large‐capacity saws, providing reliable power transfer with reduced wear when the original rim is worn. Supplied to OEM specification under Part No. 1122 007 1000 (MPN: 11220071000), this kit is designed for straightforward maintenance and long service life on demanding jobs. It is a practical service item for keeping your saw running efficiently and safely.
Key Features:
- Genuine Stihl part for correct fit and reliable performance
- 3/8" (9.5 mm) pitch, 7‐tooth rim for precise chain engagement and smooth drive
- Durable steel construction to withstand heavy‐duty use
- Helps maintain chain alignment to reduce premature wear on bar and chain
- Restores consistent chain speed and reduces chatter from a worn drive rim
- Easy to fit as part of routine servicing, minimising downtime
- OEM reference 1122 007 1000; Manufacturer Part Number 11220071000
- Suitable for professional and frequent-use chainsaws in tough conditions
Typical Applications:
Used during routine maintenance or repair when the chain jumps, chatters, or shows uneven wear due to a worn drive rim. Ideal for forestry, arborist work, firewood processing, site clearance, and construction tasks where dependable chain drive is essential. Helps extend the life of the bar and chain by restoring correct drive geometry.
Also known as:
Rim drive, chain sprocket rim, clutch rim, chain drive ring, 7T rim, chain drive wheel, chain transmission rim, sprocket ring.
Fits Models:
064, 066, MS 640, MS 650, MS 651, MS 660, MS 661, MS 661 C, MS640, MS650, MS651, MS660, MS661, MS661C
Alternate Part Numbers:
1122-007-1000, 11220071000
Product Specifications
| L&S Part No. | 1122 007 1000 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11220071000 |
| Unit of Sale | 1 |
| Applications | 064, 066, MS 640, MS 650, MS 651, MS 660, MS 661, MS 661 C, MS640, MS650, MS651, MS660, MS661, MS661C |
| Machine Type | Chainsaws |
| Fits Brands | Stihl |
| Fits Models | MS640 | MS650 | MS651 | MS660 | MS661, MS661C | 064 | 066 |
