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Description
1125 007 1002 3/8 7T 034 Rim Sprocket | Genuine STIHL OEM Replacement
The STIHL 1125 007 1002 3/8" 7T 034 Rim Sprocket is a genuine STIHL OEM replacement chain sprocket designed for a wide range of compatible STIHL chainsaws, including the 034, 036 Pro, 029, 039, MS 290, MS 310, MS 311, MS 390, and MS 391.
This 3/8" pitch, 7-tooth rim sprocket transfers power from the clutch to the saw chain and is an important component of the chainsaw's chain-drive system.
Features That Make a Difference
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Genuine STIHL OEM replacement part
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Part Number: 1125 007 1002
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Alternate Part Number: 11250071002
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Product Type: Rim Sprocket
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Tooth Count: 7T
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Chain Pitch: 3/8"
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Designed for compatible STIHL chainsaws.
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Replaceable rim-style sprocket design.
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OEM-engineered for proper chain engagement and fit.
Benefits
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Replaces a worn or damaged sprocket.
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Helps maintain smooth chain movement.
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Helps provide proper engagement between the chain drive links and sprocket.
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Can help reduce premature chain wear when properly matched to the chain and guide bar.
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Genuine STIHL construction provides reliable fit and durability.
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Ideal for chainsaw repair and maintenance.
Specifications
| Specification | Details |
|---|---|
| Part Number | 1125 007 1002 |
| Alternate Part Number | 11250071002 |
| Product | Rim Sprocket |
| Brand | STIHL |
| Product Type | Chain Drive Sprocket |
| Pitch | 3/8" |
| Teeth | 7T |
| Style | Rim Sprocket |
| Assembly | Chain Brake / Clutch or Oil Pump / Clutch |
| Part Type | Genuine OEM Replacement |
Compatibility
The 1125 007 1002 3/8" 7T Rim Sprocket is listed for:
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034
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034 S
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034 AVEQ
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034 AVEQ-FD
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034 AVEQW
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034 AVSEQ
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034 AVSEQW
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034 AVSEQWN
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034 AVSEQN
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034 FB
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036 Pro
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029
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039
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MS 290
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MS 310
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MS 311
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MS 390
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MS 391
The supplied parts information associates these models with either the Chain Brake / Clutch or Oil Pump / Clutch assembly.
Always verify the exact model, chain pitch, and current STIHL parts diagram before ordering.
What Does a Rim Sprocket Do?
The rim sprocket is part of the chainsaw's clutch-driven chain-drive system.
When the engine rotates, the clutch transfers power to the sprocket. The sprocket's teeth engage the drive links of the saw chain and move the chain around the guide bar.
The 7-tooth rim must match the specified chain pitch and compatible sprocket system.
Signs Your Sprocket May Need Replacement
Inspect the rim sprocket if you notice:
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Hooked or excessively worn teeth.
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Grooves or uneven wear.
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Chain movement that feels rough.
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Excessive chain vibration.
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Premature chain wear.
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Chain drive links not seating correctly.
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Visible damage to the rim sprocket.
A worn sprocket can accelerate chain wear and may affect smooth chain operation.
Installation Note
Before replacing the sprocket:
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Shut off the chainsaw and allow all moving components to stop.
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Remove the appropriate sprocket-cover and clutch-area components.
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Inspect the clutch and sprocket carrier for wear or damage.
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Remove the worn rim sprocket.
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Install the 1125 007 1002 3/8" 7T Rim Sprocket.
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Confirm that the sprocket is correctly seated.
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Verify that the chain pitch matches the sprocket.
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Reassemble the applicable components.
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Check chain tension and movement before operating the chainsaw.
Always follow the applicable STIHL service procedure when servicing the clutch and sprocket assembly.
Important Compatibility Note
The supplied application information includes numerous older and current STIHL configurations. Because sprocket and chain specifications can vary between configurations, confirm the exact model, chain pitch, and current STIHL parts diagram before purchasing.
Why Buy from Barry’s Power Equipment?
Barry’s Power Equipment provides quality OEM and replacement parts for lawn, garden, and outdoor power equipment.
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Genuine OEM replacement parts
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Quality products for residential and commercial equipment
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Competitive Pricing
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Fast Shipping
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Expert Customer Support
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Reliable parts for professional equipment repair and maintenance
Keep your compatible STIHL chainsaw's chain-drive system operating properly with the STIHL 1125 007 1002 3/8" 7T 034 Rim Sprocket, a genuine OEM replacement for compatible 034, 036 Pro, 029, 039, MS 290, MS 310, MS 311, MS 390, and MS 391 chainsaws.
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