{"product_id":"lifetime-warranty-591137-carburetor-for-troy-bilt-775hp-875hp-85hp-190cc-pressure-washer-bs-850ex-875exi-875ex-775ex-lawn-mower-replaces-591137-590948-590948-594287-799248","title":"[Lifetime Warranty] 591137 Carburetor - Compatible with Troy-Bilt 7.75HP 8.75HP 8.5HP 190CC Pressure Washer B\u0026S 850ex 875exi 875ex 775ex Lawn Mower - Replaces 591137 590948 590948 594287 799248","description":"\u003ch2\u003e591137 Carburetor\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Fuel-to-Air Mixing:\u003c\/strong\u003e Engineered specifically for 190cc professional-grade engines to ensure smooth idling and maximum power output under heavy load.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion-Resistant Plastic Body:\u003c\/strong\u003e Unlike older metal carburetors, this composite design is highly resistant to ethanol-related corrosion and \"gumming\" caused by modern fuels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-Choke Compatibility:\u003c\/strong\u003e Designed to work seamlessly with the Briggs \u0026amp; Stratton ReadyStart system, allowing for easy starting without the need for manual choking or priming.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Spec Mounting:\u003c\/strong\u003e Features precision-molded intake and air cleaner mounting holes for an airtight seal, preventing dirt ingestion and vacuum leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-Set Jetting:\u003c\/strong\u003e Comes factory-calibrated for high-torque engines (7.75HP to 8.75HP), requiring zero internal adjustments for standard operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e590948\u003c\/li\u003e\n\u003cli\u003e796608\u003c\/li\u003e\n\u003cli\u003e591597\u003c\/li\u003e\n\u003cli\u003e590780\u003c\/li\u003e\n\u003cli\u003e593380\u003c\/li\u003e\n\u003cli\u003e593599\u003c\/li\u003e\n\u003cli\u003e594287\u003c\/li\u003e\n\u003cli\u003e799248\u003c\/li\u003e\n\u003cli\u003e799154\u003c\/li\u003e\n\u003cli\u003e595390\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis carburetor fits a wide range of high-performance outdoor power equipment powered by Briggs \u0026amp; Stratton 190cc engines. Key compatible equipment includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngines:\u003c\/strong\u003e Fits 775ex, 850ex, 875ex, and 875exi series Vertical Shaft engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Washers:\u003c\/strong\u003e Commonly used on Troy-Bilt, Craftsman, and Briggs \u0026amp; Stratton 2800–3200 PSI units.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLawn Mowers:\u003c\/strong\u003e Fits premium self-propelled walk-behind mowers from Troy-Bilt, Toro, and Snapper utilizing the 190cc 8.75 HP engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Verify that your original carburetor has the same plastic-body design, as some older 190cc engines used a metal-body carburetor that is not interchangeable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\"Surging\" Idle:\u003c\/strong\u003e The engine speed fluctuates up and down rapidly while running, often caused by a partially clogged internal pilot jet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeaking Fuel:\u003c\/strong\u003e Gasoline is dripping from the air filter housing or the bottom of the carburetor, indicating a stuck internal float or a worn needle valve.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine Won't Start:\u003c\/strong\u003e The spark plug is dry after multiple pulls, suggesting the carburetor is not delivering fuel to the combustion chamber.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifficulty Starting:\u003c\/strong\u003e The engine will only start if a small amount of fuel is poured into the air intake (priming the engine manually).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEthanol Damage:\u003c\/strong\u003e The engine has been sitting with untreated fuel for more than 90 days, leading to internal varnish and clogs that cannot be easily cleaned.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean First:\u003c\/strong\u003e Use a brush or compressed air to remove all dirt and debris from the engine block around the old carburetor before removal to prevent engine damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Placement:\u003c\/strong\u003e Ensure the mounting surface is perfectly clean. Reuse the original plastic spacer (heat shield) between the carburetor and the engine, but always use new paper gaskets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnap-Fit Linkages:\u003c\/strong\u003e The throttle and choke linkages on these plastic carburetors can be delicate. Use needle-nose pliers to gently guide the \"Z-bend\" rods into their respective plastic arms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the Air Filter:\u003c\/strong\u003e If your old carburetor was leaking, your air filter may be soaked in gasoline. A wet air filter will restrict airflow and cause the engine to smoke or run poorly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh Fuel \u0026amp; Stabilizer:\u003c\/strong\u003e Always drain the old gas from the tank and fuel line. Use fresh 87+ octane fuel and add a fuel stabilizer to prevent the new carburetor from clogging during storage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46495304646845,"sku":"AZ00787918","price":28.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00787918_1.jpg?v=1773213045","url":"https:\/\/bluestarsparts.com\/products\/lifetime-warranty-591137-carburetor-for-troy-bilt-775hp-875hp-85hp-190cc-pressure-washer-bs-850ex-875exi-875ex-775ex-lawn-mower-replaces-591137-590948-590948-594287-799248","provider":"BlueStars Parts","version":"1.0","type":"link"}