Product Brand: Mikuni Manufacturer Part Number: BN44-40-43 Super BN Series Carburetor

Updated version of Mikuni's BN series carbs

Design features improved airflow and higher-capacity fuel pump for more demanding applications

Externally adjustable metering screws and replaceable jets make high- and low-speed tuning easy

Conventional butterfly choke for easy starting; 38mm carb uses primer

34MM CARB

• Uses stock jetting
• OEM replacement on Yamaha WaveRunner 500 and WaveJammer 500

38MM CARB

• Direct bolt-on for many models
• Uses stock jetting

44MM CARB

• OEM replacement for Yamaha SuperJet
• Can be used on many models
• Uses stock jetting

46MM CARB

• Uses 44mm bolt pattern

SUPER BN SERIES SQUARE PUMP TYPE CARBURETORS

• Designed to meet the needs of high horsepower racing watercraft
• Greater air flow and fuel flow through extensive testing to provide maximum output
• Special needle valves and springs give optimum pop-off with larger high and low speed jets
• Feature improved air flow, higher capacity fuel pump, externally adjustable metering screws and replaceable fixed jets for easy high and low speed tuning

HIGH-PERFORMANCE SUPER BN SERIES 44MM CARBURETOR

• The most popular mod for an all-around performance boost
• An adrenalized version of the Super BN series
• Extensive race testing for higher air and fuel flow
• Uses primer fitting with butterfly choke removed for increased airflow (primer kit necessary)
• Special needle valves and springs give optimum pop-off for a strong mid-range
• Larger high- and low-speed jets for great response and killer top end
• Jetted for applications using aftermarket manifold and flame arrestor 2.3 viton needle valve, #100 pilot jet and #125 main (high) jet
• Has extended throttle shaft

Additional Information/ Features: 44mm/ Manufacturer Suggested Retail Price: 255.00 Nexsen Motorsports Discounted Price: 255.00 Vehicle/Unit Fitment: California's Proposition 65 requires businesses to provide warnings about potential exposure to chemicals known to cause cancer, birth defects, or other reproductive harm. Listing Disclaimer: Please note that some items may not be exactly as pictured. Product images are for reference only and may differ slightly from the actual item received. We strongly encourage all buyers to carefully review the product description, details, and specifications provided in each listing before purchasing. If you have any questions or need clarification, feel free to contact us before placing your order.