Description
Overview:
The Metering Diaphragm for Stihl MS650 and TS700 is a genuine Stihl carburettor component that controls fuel delivery to the engine. Made from a flexible, fuel‐resistant elastomer, it sits in the metering chamber and works with the metering lever and needle to keep the fuel level stable. This helps maintain the correct fuel‐to‐air ratio for smooth starting, steady idle, and clean acceleration under load. It is designed for chainsaws and cut‐off saws, including the Stihl MS650 and TS700, and is shaped to original specifications for a dependable seal and response. Ideal when servicing a carburettor that has suffered from age, heat, or ethanol exposure, this part restores consistent running. Genuine Stihl MPN: 1117 121 4700.
Key Features:
- Genuine Stihl part for precise fit and reliable performance
- Fuel‐resistant material designed to cope with modern petrol blends
- Helps prevent hard starting, erratic idle, and flat spots on throttle
- Maintains correct metering for power, fuel economy, and emissions
- Direct replacement; no modifications required when used with OEM carburettor
- Suitable for professional and heavy‐duty use in saws and cut‐off saws
- Compatible with multiple classic and pro‐grade Stihl models
- Consistent thickness and flexibility for predictable metering response
Typical Applications:
Used during carburettor overhauls on Stihl chainsaws and cut‐off saws when the original diaphragm has stiffened, warped, or become fuel‐soaked. Commonly fitted after long storage, high‐hour service, or when diagnosing lean/rich running, poor hot restarts, or surging. Suitable for workshop repairs and routine preventative maintenance.
Also known as:
Carb membrane, metering membrane, carburettor metering insert, fuel control diaphragm, carb metering pad.
Fits Models:
042 AV, 042AV, 048, 050, 051, 056, 064, 066, 076, MS640, MS650, MS660, P835, P840, TS400, TS700, TS800
Alternate Part Numbers:
1117-121-4700, 11171214700
Product Specifications
| L&S Part No. | 1117 121 4700 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 11171214700 |
| Unit of Sale | 1 |
| Machine Type | Chainsaws, Disc Cutters |
| Fits Brands | Stihl |
| Key Features | - Genuine Stihl part ensures precise fit and performance - Fuel-resistant elastomer handles modern petrol blends - Direct replacement for OEM carburettor, no modifications needed - Compatible with Stihl MS650, TS700, and other models - Maintains correct fuel-to-air ratio for smooth operation |
| Fits Models | TS400 | MS640 | TS700 | TS800 | MS650 | MS660 | 042 AV | 048 | 050, 051 | 056 | 064 | 076 | 066 | P835, P840 |

