Description
Overview
The iFJF 799584 Carburetor is a direct-fit replacement for Briggs & Stratton 09P700 series engines found on walk-behind lawn mowers. Precision-calibrated for optimal fuel delivery, this carburetor restores reliable starting, smooth idling, and consistent power for 140cc 550EX, 625EX, and 675EX engines. Pre-adjusted from the factory for true plug-and-play installation — no tuning required.
Key Features
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OEM-Spec Replacement: Manufactured to match Briggs & Stratton 799584 specifications for exact fitment on 09P700 series 140cc engines used across multiple mower brands.
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Broad Mower Compatibility: Fits Husqvarna LC 121P, Toro 550EX, Troy-Bilt TB110, Craftsman 247.372370, and many other walk-behind mowers using the BS 140cc engine platform.
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Factory Pre-Calibrated: Fuel mixture and idle settings are pre-adjusted at the factory. Install, add fresh fuel, and start mowing immediately — no carburetor tuning needed.
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Complete Assembly: Includes all gaskets, float bowl, needle valve, and internal components. Ready to bolt on right out of the box — no parts to transfer.
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Improved Fuel Economy: Optimized jetting and clean fuel passages ensure efficient combustion and reduced fuel consumption compared to worn-out carburetors.
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Easy 15-30 Minute Install: Direct bolt-on design with matching throttle and choke linkage points. Requires only basic hand tools — screwdriver set and socket wrench.
Compatibility
| Engine/Brand |
Model |
Spec |
| Briggs & Stratton |
09P702 |
550EX 140cc |
| Briggs & Stratton |
09P702 |
625EX 140cc |
| Briggs & Stratton |
09P702 |
675EX 140cc |
| Briggs & Stratton |
09P702 |
725EXi 140cc |
| Husqvarna |
LC 121P |
Push Mower |
| Toro |
550EX |
140cc Mower |
| Troy-Bilt |
TB110 |
Push Mower |
| Craftsman |
247.372370 |
Push Mower |
Specifications
| Specification |
Value |
| Part Number |
799584 |
| Engine Series |
Briggs & Stratton 09P700 |
| Engine Displacement |
140cc |
| Fuel Type |
Gasoline (E10 Compatible) |
| Choke Type |
Auto-Choke (Thermal) |
| SKU |
FJ-CBRT-584 |
Why Choose iFJF?
At iFJF Direct, we specialize in high-quality replacement parts backed by rigorous quality control. Each carburetor is individually tested for proper float operation and fuel flow before shipping. We stand behind every product with responsive customer support and a satisfaction guarantee. A new carburetor is often more cost-effective than rebuilding a corroded, gummed-up original — and gets your mower running right the first time.
Frequently Asked Questions
Q: Will this fit my Briggs & Stratton 550EX engine?
A: Yes. This carburetor is compatible with all Briggs & Stratton 09P700 series engines, including the 550EX, 625EX, 675EX, and 725EXi 140cc models. Check your engine model number on the valve cover.
Q: Does this carburetor come with gaskets?
A: Yes. The carburetor arrives as a complete assembly including all necessary gaskets, float bowl, needle valve, and internal components. No parts to transfer from your old carburetor.
Q: Do I need to adjust anything after installation?
A: This carburetor comes pre-calibrated from the factory. In most cases, no additional adjustment is required. Simply install it, add fresh fuel, and start mowing right away.
Q: My mower is hard to start — will a new carburetor fix this?
A: Hard starting is one of the most common symptoms of a dirty or failing carburetor. Clogged jets, stuck floats, and deteriorated gaskets are the usual culprits. Replacing with a new 799584 carburetor typically resolves these issues.
Q: How long does installation take?
A: For most DIYers, installation takes 15-30 minutes. You'll need basic hand tools (screwdriver set, socket wrench) and a clean, well-lit work area.
Q: Is this compatible with ethanol-blended fuel (E10)?
A: Yes, the carburetor is compatible with E10 fuel. However, we recommend using fuel stabilizer or draining the carburetor if the mower will be stored for more than 30 days, as ethanol can cause varnish buildup in any small engine carburetor.
Package Includes
1 x 799584 Carburetor for BS 09P702 550EX 625EX 675EX 140cc Engine | Complete with gaskets & hardware | Product support documentation
