Genuine Keihin PWK Carburetors (2), Banshee
$750.00 Original price was: $750.00.$555.00Current price is: $555.00.
Genuine Keihin PWK Carburetors 33MM, 35mm or 39mm, sold as pair.
| Product Overview | |
|---|---|
| Product Type | Carburetor Set (Pair) |
| Brand | Keihin (Genuine OEM) |
| Model | PWK Series |
| Application | Yamaha Banshee 350 |
| Technical Specifications | |
| Engine Type | 2-Stroke, Twin-Cylinder |
| Slide Type | Flat Slide |
| Quantity | 2 Carburetors |
| Fuel Type | Gasoline |
| Jetting | Fully Replaceable / Tunable |
| Intake Mount | Spigot / Rubber Boot |
| Use | Performance, Racing, Trail, Dunes |
| Compatibility | Most stock and modified Banshee engines |
Genuine Keihin PWK Carburetors (2) – Ultimate Carb Upgrade for Yamaha Banshee 350
When it comes to unlocking the true soul of a Yamaha Banshee, fuel delivery is everything. The Genuine Keihin PWK Carburetors (Pair) for Yamaha Banshee 350 represent the gold standard in 2-stroke performance tuning, trusted by factory race teams, professional builders, and hardcore Banshee enthusiasts worldwide. These are not replicas, copies, or budget substitutes—this is authentic Keihin engineering, designed to deliver razor-sharp throttle response, consistent fueling, and the unmistakable hit that defines Banshee culture.
The Yamaha Banshee’s twin-cylinder 2-stroke engine demands precision. Unlike stock Mikuni carbs that can struggle to keep up with modern porting, pipes, and aggressive riding styles, Keihin PWK carburetors are purpose-built for high-RPM performance and instant response. The PWK design uses a flat-slide architecture that dramatically improves airflow velocity, resulting in stronger low-end snap, smoother midrange pull, and a harder top-end charge. Whether you’re trail riding, dune ripping, drag racing, or building a full race quad, these carbs transform how your Banshee feels and responds.
One of the biggest advantages of genuine Keihin PWK carbs is tunability. Jetting changes are straightforward, predictable, and repeatable. Builders love them because they respond accurately to engine mods like ported cylinders, aftermarket reeds, high-compression heads, stroker cranks, and expansion chamber exhausts. Riders love them because once dialed in, the bike starts easier, idles cleaner, and pulls harder through every gear.
Keihin’s manufacturing quality is another major differentiator. These carburetors are built with precision-cast bodies, high-quality slides, and tight internal tolerances that ensure long-term reliability even in harsh riding conditions. Cheap aftermarket carbs may look similar, but they often suffer from inconsistent casting, poor jet accuracy, and premature wear. With genuine Keihin PWKs, you’re investing in a component that lasts season after season.
From a riding perspective, the difference is immediate. Crack the throttle and the Banshee responds instantly—no hesitation, no flat spots. The exhaust note sharpens, the engine revs faster, and the powerband feels alive. This is the kind of upgrade that reconnects you to the raw, mechanical thrill that made the Banshee legendary in the first place. It’s speed you can hear, feel, and control.
These carbs are ideal for both stock and modified Banshees. On mildly built engines, they improve drivability and throttle precision. On aggressive builds, they become essential hardware that allows the engine to breathe and fuel properly at high RPM. They’re equally at home on dune monsters, drag bikes, hill shooters, and all-around performance builds.
In a market flooded with clones and “PWK-style” carbs, choosing genuine Keihin is about trust. It’s about knowing your fueling system won’t be the weak link when you’re pushing hard, racing friends, or spending long weekends riding. It’s also about honoring the 2-stroke legacy—using the same carburetors that powered some of the fastest ATVs and dirt bikes ever built.
If you’re serious about your Yamaha Banshee—about power, response, reliability, and authenticity—this is not an optional upgrade. It’s a foundational component of a proper Banshee build.
Key Benefits
-
Faster throttle response than stock carbs
-
Stronger low-end snap and midrange pull
-
Improved top-end power and RPM stability
-
Proven race-winning Keihin design
-
Excellent tunability for modified engines
-
More consistent fueling across conditions
-
Reduced hesitation and bog
-
Cleaner idle and easier starting
-
Superior airflow efficiency
-
Long-term durability and reliability
-
Trusted by professional builders
-
Ideal for pipes, porting, and big-bore builds
-
Enhances classic 2-stroke sound and feel
-
Increases overall ride confidence
-
Boosts resale value of performance builds
FAQs
1. Are these genuine Keihin PWK carburetors?
Yes. These are authentic Keihin PWK carbs, not clones or replicas.
2. Will these fit all Yamaha Banshee years?
They are compatible with most Yamaha Banshee 350 models using proper intake boots and jetting.
3. What size PWK carbs should I choose?
Common sizes range from 28–33mm depending on engine mods and riding style.
4. Do these increase horsepower?
Yes. Properly tuned PWK carbs significantly improve throttle response and overall power delivery.
5. Are they hard to tune for beginners?
No. PWK carbs are well known for predictable and straightforward jetting.
6. Can I use these with aftermarket pipes and reeds?
Absolutely. They pair perfectly with pipes, reeds, ported cylinders, and big-bore builds.
7. Do they improve starting and idle?
Yes. When jetted correctly, starting and idle quality improve noticeably.
8. Are these suitable for racing?
Yes. Keihin PWKs are widely used in drag racing, dunes, and competitive ATV racing.
9. How do they compare to stock Mikuni carbs?
They offer better airflow, sharper response, and superior tuning flexibility.
10. Are these worth the investment?
For serious Banshee riders, they are one of the most impactful and reliable upgrades available.
Related products
-
Used Banshee 350 For Sale
$8,000.00Add to cartYamaha Banshee 350 – Product Overview Specification Details Brand Yamaha Materials / Composition Aluminum alloy frame, reinforced steel components, liquid-cooled two-stroke engine Size / Dimensions / Specs 347cc twin-cylinder, approx. 74-inch length, 45-inch width, 43-inch height Performance Output / Effects High power-to-weight ratio, rapid acceleration, top speed approx. 70+ mph Compatible Models / Usage Areas Yamaha Banshee 350 quad bike, off-road trails, sand dunes, motocross circuits Installation Method Factory-installed; aftermarket parts require standard mechanical fitting Durability / Lifespan Built for longevity with proper maintenance; 10+ years typical with care Storage / Maintenance Recommendations Store indoors, regular oil and coolant checks, suspension servicing, engine tune-ups Package Contents Used Banshee 350 ATV unit, standard tools kit (varies by seller) Country of Origin Japan (Yamaha Manufacturing) Certifications / Manufacturing Standards ISO 9001 manufacturing, DOT-compliant lighting and safety standards Safety Notes / Rider Precautions Use protective gear, beginner caution advised, routine mechanical checks -
1991 Yamaha Banshee 350 For Sale
$5,000.00Add to cartProduct Details Table Feature Specification Brand Yamaha Materials / Composition Aluminum frame, forged steel engine components, composite plastics Size / Dimensions / Specs 347cc twin-cylinder, 2-stroke engine; approx. 75″ L x 45″ W x 43″ H; dry weight ~350 lbs Performance Output or Effects High-revving 2-stroke power with explosive acceleration and nimble handling Compatible Models / Usage Areas 1990–1996 Yamaha Banshee 350 models; sport/off-road ATV use Installation Method Bolt-on chassis and engine mounting; standard ATV maintenance and tuning required Durability / Lifespan Long-lasting with proper maintenance; engine rebuilds typical after 200+ hours of use Storage / Maintenance Recommendations Store in dry conditions; regular oiling and carb tuning; clean air filters Package Contents Complete quad bike (as-is for sale) or parts package (if applicable) Country of Origin Japan (Yamaha manufacturing) Certifications / Manufacturing Standards ISO 9001 quality standards, EPA emission compliant (vintage standards) Safety Notes / Rider Precautions Use proper protective gear; receive training for 2-stroke power; follow local ATV laws -
2022 Polaris Sportsman 570
$7,999.00Add to cartPolaris ATV Specifications Specification Details Brand Polaris Materials / Composition Tubular steel frame, reinforced plastic body panels Size / Dimensions / Specs Length: 83.5 in, Width: 46.8 in, Height: 45.3 in, Wheelbase: 50.7 in Performance Output or Effects 567cc liquid-cooled ProStar engine, approx. 44 HP power output Compatible Models / Usage Areas Polaris Sportsman series; trail riding, utility, sport Installation Method Factory assembled; compatible for aftermarket upgrades Durability / Lifespan High durability with routine maintenance; designed for years of use Storage / Maintenance Recommendations Store in dry, covered area; regular oil changes, filter cleaning, brake checks Package Contents ATV unit, owner’s manual, basic toolkit Country of Origin USA Certifications / Manufacturing Standards Meets DOT and EPA regulations; ISO 9001 certified factory Safety Notes / Rider Precautions Wear approved safety gear; observe local ATV laws; avoid excessive speeds -
Add to cart
Attribute Specification / Detail Brand OEM / Aftermarket High-Quality Materials / Composition Aerospace-grade aluminum or reinforced steel alloy Size / Dimensions / Specs Fits Yamaha Banshee 350 models (1987-2012) Performance Output Increased rear suspension rigidity, improved handling, durability Compatible Models Yamaha Banshee 350 (all years) Installation Method Direct bolt-on replacement; professional installation recommended Durability / Lifespan Heavy-duty construction for extended use under extreme conditions Storage / Maintenance Regular lubrication of pivot bearings; store dry and clean Package Contents One Yamaha Banshee 14 Swing Arm Country of Origin Manufactured in USA / Global Facilities Certifications ISO certified, OEM quality standards Safety Notes Follow torque specs; inspect regularly; professional install -
Yamaha Banshee Stator For Sale
$764.99Add to cartYamaha Banshee Stator For Sale Yamaha Banshee Stator For Sale – The Yamaha Banshee Stator is one of the necessities for improving performance and durability of your Banshee’s engine. Built to produce the right amount of electrical current all ATV needs to provide a smooth operation, this quality stator makes sure your Banshee outputs the …







Reviews
There are no reviews yet.