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Description
591137 Carburetor - Fits Troy-Bilt 7.75HP 8.75HP 8.5HP 190CC Pressure Washer B&S - Replaces 591137 590948591137 Carburetor Key Features Precision Fuel to Air Mixing: Engineered specifically for 190cc professional grade engines to ensure smooth idling and maximum power output under heavy load. Corrosion Resistant Plastic Body: Unlike older metal carburetors, this composite design is highly resistant to ethanol related corrosion and "gumming" caused by modern fuels. Auto Choke Compatibility: Designed to work seamlessly with the Briggs & Stratton ReadyStart
591137 Carburetor
Key Features
- Precision Fuel-to-Air Mixing: Engineered specifically for 190cc professional-grade engines to ensure smooth idling and maximum power output under heavy load.
- Corrosion-Resistant Plastic Body: Unlike older metal carburetors, this composite design is highly resistant to ethanol-related corrosion and "gumming" caused by modern fuels.
- Auto-Choke Compatibility: Designed to work seamlessly with the Briggs & Stratton ReadyStart system, allowing for easy starting without the need for manual choking or priming.
- OEM-Spec Mounting: Features precision-molded intake and air cleaner mounting holes for an airtight seal, preventing dirt ingestion and vacuum leaks.
- Pre-Set Jetting: Comes factory-calibrated for high-torque engines (7.75HP to 8.75HP), requiring zero internal adjustments for standard operation.
Replaces / Cross-Reference Part Numbers
- 591137
- 590948
- 591597
- 590780
- 593380
- 593599
- 594287
- 799248
- 799154
- 796608
Compatibility & Fitment
This carburetor fits a wide range of high-performance outdoor power equipment powered by Briggs & Stratton 190cc engines. Key compatible equipment includes:
- Engines: Fits 775ex, 850ex, 875ex, and 875exi series Vertical Shaft engines.
- Pressure Washers: Commonly used on Troy-Bilt, Craftsman, and Briggs & Stratton 2800–3200 PSI units.
- Lawn Mowers: Fits premium self-propelled walk-behind mowers from Troy-Bilt, Toro, and Snapper utilizing the 190cc 8.75 HP engine.
- Note: 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.
When to Replace
- "Surging" Idle: The engine speed fluctuates up and down rapidly while running, often caused by a partially clogged internal pilot jet.
- Leaking Fuel: Gasoline is dripping from the air filter housing or the bottom of the carburetor, indicating a stuck internal float or a worn needle valve.
- Engine Won't Start: The spark plug is dry after multiple pulls, suggesting the carburetor is not delivering fuel to the combustion chamber.
- Difficulty Starting: The engine will only start if a small amount of fuel is poured into the air intake (priming the engine manually).
- Ethanol Damage: The engine has been sitting with untreated fuel for more than 90 days, leading to internal varnish and clogs that cannot be easily cleaned.
Installation Tips
- Clean First: 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.
- Gasket Placement: 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.
- Snap-Fit Linkages: 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.
- Check the Air Filter: 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.
- Fresh Fuel & Stabilizer: 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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
Franklin X-40 vs. Dura Fast 40 (vs. Onix)
Size: 12 Pack, Color: Optic Yellow, Size: 12 Pack, Color: Optic Yellow
Review order:
Review summary (quick read)
Review update (4-13-2021)
Full review (long read)
Summary:
This review might save you a lot of time researching balls, but here's the summary if you don't want to read the full review... For 4.0+ play consider the Dura Fast 40 when preparing for certain tournaments, but expect only about 2 games per ball, which is quite annoying in my opinion... for 95% of players, definitely go with the Franklin X-40 (except when preparing for a Dura only tournament of course). If you just want the ball to last and last year after year and don't care at all about egging or quality of play consider the much softer and much slower and much bouncier Onix ball. The Onix ball is so soft that I can't recommend it for typical play, but it is actually an excellent choice when introducing new players to the game and it is often the preferred ball in 65+ play if mobility becomes a common issue because extra bounce = extra time to get there, but in my area many older players seem to play the X-40 just fine.
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Update: 4-13-2021:
Popularity: Almost everyone in my area is playing the Franklin X-40 in every park. I finally saw a Dura in play yesterday, but it's been a long time! Outdoor tournaments in my state are now about 60% X-40 and about 40% Dura (Washington), so even in tournament play the Dura seems to be going out pretty quick.
Seasonal durability of X-40: for the first year I don't think my group cracked a single X-40 (despite having a faster paced game), but using that same batch of balls this Spring, they've all been dropping like flies so now my 1 year old batch of X-40's probably isn't much more durable than brand new Dura's (very annoying to deal with those cracks). I just bought new X-40's yesterday and I'll be discarding the few X-40's that are left from last year when the new stock arrives. It will be new X-40's for me once a year from now on assuming quality doesn't slide... fresh manufacturing is apparently very important, so hopefully Franklin will keep their runs moderate, and maybe that's what Dura did wrong.(?)
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Full review:
This review will focus largely on the physical & quality comparisons between the Franklin Outdoor X-40 pickleball and the Dura Fast 40 pickleball, but I'll also give a summary of my impressions from the mouth of experts and supplement also by my own amateur impressions and measurements.
Dura hole specs: 16 drilled holes @ 0.325" & 24 drilled holes @ .264"
Franklin hole specs: 40 drilled holes @ 0.288"
Both balls have 40 holes with an average hole size of 0.288", but the Dura ball has a far more randomized hole pattern. I personally didn't notice any difference in spin characteristics or any notable advantage to the randomized hole pattern of the Dura.
Franklin weight: 26g
Dura weight: 25g
Both balls are rotationally molded in one continuous piece so the seam is just as strong as the rest of the ball on either ball... the appearance of a seam is on the outside of the ball only but the visual molding mark is not actually separated in any way in the middle of the ball and the inside of the ball will likewise appear 100% seamless on either ball, so no true seam exists (both balls are true "1-piece" balls). The Dura ball has much smoother molding marks w/ no plastic flashing like the Franklin... this is primarily cosmetic but quality in this regard definitely goes to the Dura.
Subjective color preference: in the shade I think the Dura "Neon" color looks better (see pic), but in typical full sun the green tint looks dingy on the Dura ball in my opinion, and I feel the Franklin "Optic Yellow" is a crisper color that's probably a little more visible. These are the only 2 ball colors I have to compare. I would prefer more dye to be used for a green ball so it still looks green in full sun because in my experience with disc golf and ball golf neon green is the most visible color and neon pink is good too... with these 2 options I'd pick the yellow... the green tint on the Dura is so subtle in full sun it ends up looking more like a dingy yellow rather than a green. A more apples to apples comparison would be Dura's yellow option but I'm pretty confident Franklin would win that contest also based on the notably higher translucency in the plastic used by Dura. Color: Franklin wins.
Franklin X-40 country of origin: China
Dura Fast 40 country of origin: Vietnam
- - EXPERT INSPIRED IMPRESSIONS - -
From what I've gathered, expect much longer play per dollar out of the Franklin and expect very little life out of the Dura. Dura's are supposed to be a little harder/better/faster, but they often only last a few games based on everything I've read and heard. For older players consider the Onix over either of these balls... softer balls bounce higher and hit slower which allows more time to get to the ball for longer rallies... the Onix seems to be the favorite for play in older aged groups.
Based on expert advise from the "pickleball kitchen" youtube channel...
Best performance award (fastest, hardest): Dura Fast 40
Best Value (also w/ great performance): Franklin Outdoor X-40 - - - except high level players should opt for the Dura due to tournament requirements (note: this observation may be outdated... check tournaments in your state to verify what local tournaments are still using the Dura in your area and which tournaments have switched to the X-40)
Longest lasting, but soft and bouncy: Onix
Note: I have not seen a single outdoor tournament publish the Onix as their ball.
My personal recommendation for most players based on a lot of reviews and some research and a close look would be to skip the Dura and go straight to the Franklin X-40 until you're playing tournaments... if/when you advance to the level of playing serious tournament play I don't think it would take long to transition muscle memory and power from the Franklin outdoor ball to the Dura ball and a lot of money and annoyance can be saved w/ the Franklin over the very brittle Dura... Franklin X-40 balls don't last very long either (according to some... possibly old stock), but compared to the Dura it's a notable improvement strongly worth considering even if you're a quality buff like myself.
Manufacturing quality: Dura wins
Material durability: Franklin easily wins and Onix lasts much longer still if you don't mind a notably slower game (more similar to indoor) and more egging.
Quality of play: Mixed... many elite players prefer the extra speed of the Dura, but I prefer the consistency of virtually everyone using the same ball and even more notably, I'd rather sacrifice just a little speed to get the higher consistency / predictability / reliability of an uncracked ball and I find it distracting to look for cracks all the time.
Value (w/o sacrificing much): Franklin
Despite the long read, I'm hoping this helps the reader save some time in selecting a pickleball, especially for players new to the game.
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Reviewed in the United States on August 15, 2020
★★★★★ 5
Do not judge it by the color .. but by the quality of its build
Size: 12 Pack, Color: Ember
The most durable ball in South Texas heat. The bright color becomes matte after a few games, which I don’t mind. When I pull them out at local tournaments I get mixed reactions—to some not being yellow is like trying a new religion!. Most people do prefer the color that they’re used, I get that, but when I tell them it’s a fresh Franklin x40 most give em a go. Some even (sorry Trad pickleball gods) convert. When I see others bring their own I feel a level of affirmation on par with accidental cult leader getting their first members. So yeah, it’s a great performing ball in a color that pops, and a great value. I love this game
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Reviewed in the United States on May 2, 2026
★★★★★ 5
I’m enjoying the racket
Color: Black
It’s a good racket for a beginner!
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Reviewed in the United States on June 7, 2026
★★★★★ 5
Good value
Color: Black
Well made for the price and excellent choice for those just starting pickleball.
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Reviewed in the United States on May 22, 2026
★★★★★ 4
Good second-level pickleball paddles for a great price
Color: Black, Color: Black
I've been playing pickleball for a while now, though not ever well. I have progressed from wooden paddles and just trying things out to bundles of basic fiberglass paddles and balls to higher-end paddles that individually cost more than the "multi-paddle plus balls" bundles. I have kids and kids-in-law and grandkids, and not everyone has their own paddles. Thus, I purchased this set to get a couple more paddles.
This Amazon Basics set of 2 paddles, four balls, and a carrying case is a starter set, maybe one step up from the basic wooden paddles that I started with. The paddles are nice, light-weight but sturdy, with a decent surface that should allow some level of control. The grips are nice, and there is some additional grip tape you can use to retape a handle that wears out.
The balls are standard balls, and should get you started.
The case is similar to cases I've purchased before with other sets. Unfortunately, the makers skimped on the zipper. It only has one (another case from a similar set had two zippers), and after just a few uses, the zipper completely fell off (see photo). This makes the case completely useless, and definitely drops my rating.
But, given the price, the quality of the paddles, and the four balls, this is still a great starter set, even without a cheap carrying case. I'm happy to have the extra balls and paddles.
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Reviewed in the United States on February 15, 2026