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This PWK-series flat slide racing carburetor is built to professional racing specifications, engineered as a premium performance upgrade and direct replacement for 2-stroke and 4-stroke powersport engines. Designed in classic Keihin PWK architecture with Sudco racing tuning, it delivers superior fuel atomization and instantaneous throttle response, unlocking noticeable power gains across the entire RPM range.
It is a preferred supply option for motorcycle parts distributors, racing teams, off-road repair shops and performance tuning businesses worldwide. Precision-manufactured from high-grade aluminum alloy with strict dimensional control, it ensures consistent fuel delivery, long service life and excellent adaptability to harsh off-road and racing environments.
Key Features
Racing Flat Slide Structure: The flat slide throttle valve reduces intake resistance dramatically compared to conventional round-slide carburetors, delivering sharper throttle response and more linear power output for acceleration and competitive racing.
Fully Tunable Fuel System: Supports replaceable main jets, pilot jets and adjustable needle positions, with external idle and mixture screws for precise air-fuel ratio tuning. Easily adapts to different altitudes, temperatures and engine modification levels.
Premium Build Quality: High-density die-cast aluminum body with precision machining and corrosion-resistant finish. Internal components are manufactured to tight tolerances for reliable sealing and stable performance under high vibration.
Standard Direct-Fit Interface: Universal mounting flange and intake dimensions match most PWK-spec intake manifolds. Comes pre-assembled with fuel lines and adjustment knobs for straightforward installation.
Multiple Caliber Options: Available in 24mm / 26mm / 28mm / 30mm / 32mm / 34mm / 36mm / 38mm venturi sizes, compatible with engine displacements from 50cc up to 400cc.
Racing-Validated Performance: Tuned to Sudco racing specifications, suitable for motocross, enduro, kart racing and ATV competition use, as well as street bike performance builds.
Product Specifications
Item
Specification
Carburetor Type
PWK Flat Slide Racing Carburetor (Keihin Style)
Series
Sudco Racing Specification
Venturi Size Options
24mm, 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm
Compatible Engine
2-Stroke & 4-Stroke, Single Cylinder
Displacement Range
50cc – 400cc
Body Material
High-Grade Die-Cast Aluminum Alloy
Adjustment Functions
Idle speed, air-fuel mixture, replaceable jet system
Included Accessories
Fuel lines, adjustment knobs
Mounting Type
Standard flange / rubber boot mounting
Primary Application
Performance upgrade, racing replacement, aftermarket repair
Application & Compatibility
This universal PWK racing carburetor fits a wide range of powersport vehicles and small engine equipment, including but not limited to:
Motocross bikes, enduro bikes, dirt bikes and pit bikes
All-terrain vehicles (ATVs), quad bikes and side-by-side UTVs
Racing go-karts, shifter karts and recreational mini bikes
2-stroke scooters, mopeds and custom motorcycle builds
Small displacement performance engine swap projects
Note: Please confirm required venturi size and mounting dimensions before ordering. Custom jet configurations and branding options are available for bulk orders.
B2B Wholesale Advantages
Flexible Order Terms: Low MOQ for sample testing and trial orders; tiered wholesale pricing for volume purchases to maximize your profit margin.
OEM & Customization Support: Private logo engraving, custom packaging, dedicated jet tuning and color finishing are available for qualified bulk orders to build your brand identity.
Stable Supply Capacity: Sufficient ready stock for standard calibers with fast lead times; mature production lines ensure on-time delivery for long-term cooperative partners.
Strict Quality Control: 100% air tightness test, flow calibration and appearance inspection before shipment to minimize after-sales issues for your business.
One-Stop Procurement: Full range of matching parts including jets, intake manifolds, fuel lines and rebuild kits available, reducing your sourcing and logistics costs.
Why Partner With Us
We are a specialized manufacturer and global exporter of motorcycle power system components, focused on delivering reliable performance parts and efficient supply solutions for B2B clients worldwide.
Full-process quality management from raw material sourcing to finished product testing
Deep understanding of global aftermarket and racing market demands
Professional technical team to provide compatibility consultation and tuning guidance
Responsive sales support with fast quotation and efficient order processing
Long-term partnership oriented policy to support your business growth
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Seller
Year Established:
2015
Total Annual:
1000000-5000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
Guangzhou Huanhe New Energy Co., Ltd. was established in May, 2015. We are a comprehensive enterprise dedicated to the integrated R&D, production, manufacturing, and sales of two-wheeled motorcycles, three-wheeled motorcycles, and lithium batteries. Our mission is to provide high-quality carbure... Guangzhou Huanhe New Energy Co., Ltd. was established in May, 2015. We are a comprehensive enterprise dedicated to the integrated R&D, production, manufacturing, and sales of two-wheeled motorcycles, three-wheeled motorcycles, and lithium batteries. Our mission is to provide high-quality carbure...
