BOLD MAGENTA part numbers are new for 2026 PARTS-UNLIMITED.COM 2026 | WATERCRAFT FUEL/AIR SYSTEMS FUEL/AIR SYSTEMS 142 MIKUNI PART # INTAKE ID (MM) LOW SPEED JET HIGH SPEED JET NEEDLE VALVE ARM SPRING (GRAMS) COLOR PART # SINGLE SQUARE PUMP CARBS BN38-34-8113 38 65 107.5 2 115 Silver BN384481131 BN44-40-8067 44 120 140 2.5 80 Silver 1002-00331 BN44-40-8052 44 120 125 2.3 65 Black BN444080521 PRO RACING SUPER BN46 BN46-42-8002 46 120 150 2.5 80 Silver BN46-42-80022 1 Primer fitting; no butterfly choke. 2 Extended throttle shaft. HI PERFORMANCE SUPER BN CARBURETORS •Special needle valves and springs give optimum pop-off with larger high and low speed jets •Specifically designed to meet the needs of high horsepower racing watercraft •Externally adjustable metering screws and replaceable jets make high- and low-speed tuning easy •Made in Japan BN38448113 BN44408052 BN46-42-8002
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