BOLD MAGENTA part numbers are new for 2026 FUEL/AIR SYSTEMS PARTS-UNLIMITED.COM STREET | 2026 FUEL/AIR SYSTEMS 1507 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. CARBURETOR AIR CUT-OFF VALVE SETS continued on next page. FITS MODEL PART # HONDA XL250R 82-83 1003-0300 XL250S 78-79 1003-0298 XL250S 80-81 1003-2028 XL250S 80-81 1003-1938 CB400A (auto) 78 1003-0298 CB400A/C/E/T 80-81 1003-2028 CB400T1/TII Hawk 78-79 1003-0298 CM400A (auto) 79 1003-0298 CM400A (auto) 80-81 1003-0299 CM400C 81 1003-1938 CM400C Custom 81 1003-0299 CM400E 80-81 1003-0299 CM400T 79 1003-0298 CM400T 80-81 1003-0299 CB450SC 82-86 1003-2028 CB450SC Nighthawk 82-83, 85-86 1003-0299 CB450T 82 1003-1938 CB450T Hawk 82 1003-0299 CM450A/C/E 82-83 1003-2028 CM450A (auto) 82-83 1003-0299 CM450C Custom 82 1003-0299 CM450E 82-83 1003-0299 CX500 78-79 1003-0298 CX500C 80-82 1003-1938 CX500C Custom 79 1003-0298 CX500C Custom 80-82 1003-0299 CX500D Deluxe 79 1003-0298 CX500D Deluxe 80-81 1003-0299 CX500D 80-81 1003-1938 CX500X/D 80-82 1003-2028 FT500 Ascot 82-83 1003-0300 GL500 Silver Wing/Interstate 81-82 1003-0299 GL500 Silverwing 81-82 1003-1938 GL500/I 1003-2028 XL500R 82 1003-0300 XL500S 79 1003-0299 XL500S 80-81 1003-2028 VT600C/D 99-07 1003-2024 VT600CD Shadow VLX/Deluxe 89-98 1003-03071 CB650/C 80 1003-2028 CB650C Custom 80/83 1003-0299 CB650 79 1003-0297 CX650C Custom 86 1003-0300 FITS MODEL PART # HONDA (CONT) GL650 Silver Wing 83 1003-0300 GL650I Silver Wing Interstate 83 1003-0300 NT650 Hawk GT 88-91 1003-03071 CB750C Custom 80-82 1003-0299 CB750F Super Sport 79 1003-0297 CB750K 79 1003-0297 CB750F Super Sport 80-82 1003-0299 CB750K 80-82 1003-0299 CB750C/F/K 80-82 1003-2028 CB750SC Nighthawk 82-83 1003-0299 CB750SC 82-83 1003-1938 CB750L LTM 79 1003-0297 PC800 Pacific Coast 89-90, 94-98 1003-03071 CB900C Custom 80-82 1003-0299 CB900F Super Sport 81-82 1003-0299 CB900C/F 80-82 1003-2028 CB1000C Custom 83 1003-0300 CB1100F SuperSport 83 1003-0300 GL1000/A/I 80-83 1003-2028 GL1100 Gold Wing 80-83 1003-0299 GL1100 Gold Wing 80-83 1003-1938 GL1100A Gold Wing Aspencade 82-83 1003-0299 GL1100A Gold Wing Aspencade 82-83 1003-1938 GL1100I Gold Wing Interstate 80-83 1003-0299 GL1100I Gold Wing Interstate 80-83 1003-1938 VT1100C Shadow 87-90, 92-98,VT1100C Shadow Spirit 97-09, VT1100C2 Shadow Ace 95-99,VT1100C2 Shadow Sabre 00-03, VT1100C2-2 Shadow 97-98,VT1100C3 Shadow aero 98-02, VT1100D2 Shadow Ace 99,VT1100T Shadow Ace Tourer 98-01 1003-03061 VTX1300C 04-07 1003-2024 VTX1300R 05-07 1003-2024 KAWASAKI EL250B2/B3 Eliminator 88-89 1003-0301 EL250E1 250HS Eliminator 91-94 1003-0301 EX-250E1/E2/HS Ninja250R 86-07 1003-0301 EX-250J 08-12 1003-0301 KLR600 84-86 1003-0301 KLR650 87-07 1003-0301 KLR650/KL650 Tengai 87-05 1003-0301 KLX650C (dual) 93-96 1003-0301 VN700 Vulcan 85 1003-0301 CARBURETOR AIR CUT-OFF VALVE SETS •Direct OEM-style replacement carburetor air cut-off valve set • Includes diaphragm, spring and O-ring • Located on the side of the carburetor, the air cut-off valve prevents lean fuel mixture (backfire) when decelerating •Temporarily closes the pilot jet airway to provide a richer mix as the throttle closes •Sold in sets for one carburetor 1003-0299 1003-1938 1003-0300 1 Kit is for two carbs.
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