BOLD MAGENTA part numbers are new for 2025 FUEL/AIR SYSTEMS PARTS-UNLIMITED.COM OFFROAD | 2025 FUEL/AIR SYSTEMS 1509 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”. FITS MODEL PART # HONDA CRF50R 07-09 1003-1439 CRF150R 12-23 1003-1286 CRF150RB 07-09 1003-1439 CRF150RB 12-23 1003-1286 CRF250R 04-09 1003-1439 CRF250X 04-06 1003-1439 CRF250X 07-17 1003-1286 CRF450R 02-06 1003-1439 CRF450R 07-08 1003-1286 CRF450X 05-07 1003-1439 CRF450X 08-17 1003-1286 KAWASAKI KX250F 04-10 1003-1287 KLX450R 08-09 1003-1287 KLX450R (AU) 18-19 1003-1287 KX450F 06-08 1003-1287 KTM 250 SX-F 05-10 1003-1444 250 XC-F 07-09 1003-1444 FITS MODEL PART # KTM (CONT) 250 XC-FW 06-11 1003-1444 450 EXC 03-04 1003-1444 450 EXC 07-11 1003-1444 450 EXC-G 03-07 1003-1444 450 EXC-R 08 1003-1444 450 MXC-G 03-05 1003-1444 450 SMR 05-07 1003-1444 450 SMS 03-04 1003-1444 450 SX 03-06 1003-1444 450 SX-F 07-12 1003-1444 450 SXS 03-04 1003-1444 450 XC 04 1003-1444 450 XC 06-07 1003-1444 450 XC-F 08-09 1003-1444 450 XCR-W 08 1003-1444 450 XC-W Six Days 10 1003-1444 450 XC-W 07-11 1003-1444 505 SX-F 08 1003-1444 505 XC-F 08-09 1003-1444 FITS MODEL PART # KTM (CONT) 520 EXC 00-02 1003-1444 520 MXC 01-02 1003-1444 520 SX 00-02 1003-1444 525 EXC 03-07 1003-1444 525 MXC-G 03-05 1003-1444 525 SMR 05 1003-1444 525 SX 03-06 1003-1444 525 XC 06-07 1003-1444 525 XC-W 07 1003-1444 530 EXC 09-11 1003-1444 530 EXC-R 08 1003-1444 530 XCR-W 08 1003-1444 530 XC-W 09-11 1003-1444 540 SXS 01-06 1003-1444 560 SMR 06-07 1003-1444 625 SMC 04-06 1003-1444 625 SXC 03-05 1003-1444 660 Rallye 01-05 1003-1444 FITS MODEL PART # KTM (CONT) 660 Rallye Factory Replica 06-07 1003-1444 SUZUKI RM-Z250 04-09 1003-1287 DR-Z400E 00-03 1003-1442 DR-Z400E 04-07 (non-CA models w/ pumper carb) 1003-1442 DR-Z400K 00-03 1003-1442 RM-Z450 05-07 1003-1443 YAMAHA WR250F 01-13 1003-1440 WR250F 14 1003-1287 YZ250F 01-13 1003-1440 WR400F 98-00 1003-1441 YZ400F 98-99 1003-1441 WR426F 01-02 1003-1441 YZ426F 00-02 1003-1441 WR450F 03-11 1003-1287 YZ450F 03-09 1003-1287 ACCELERATOR PUMP REBUILD KITS •Kit includes all necessary parts to rebuild the accelerator pump circuit • Kit includes necessary O-rings, diaphragm, spring and screws •Improperly functioning accelerator pumps can cause poor performance and bogging on acceleration FITS MODEL PART # HONDA CRF230F 03-19 1003-1445 CRF230L 08-09 1003-1446 CRF230M 09 1003-1446 XR250R 86-04 1003-1445 XR400R 96-04 1003-1445 XR600R 88-00 1003-1445 XR650R 00-07 1003-1447 KAWASAKI KLX140 08-20 1003-1452 KLX140G 17-20 1003-1452 FITS MODEL PART # KAWASAKI (CONT) KLX140L 08-20 1003-1452 KLX140R/KLX140R F/ KLX140R L 21-24 1003-1452 KLX300R 97-07 1003-1453 KL650A (KLR) 87-07 1003-1451 KL650E (KLR) 08-18 1003-1451 KLX650C 93-96 1003-1451 KLX650D1 96 1003-1451 KLX650R 93-96 1003-1451 FITS MODEL PART # SUZUKI DR-Z125 03-20 1003-1276 DR-Z125L 03-20 1003-1276 DR-Z250 01-07 (non-CA models w/ pumper carb) 1003-1277 DR-Z400E 00-03 1003-1451 DR-Z400E 04-07 (non-CA models w/ pumper carb) 1003-1451 DR-Z400S 00-16 1003-1277 DR-Z400S 17-24 1003-1279 DR-Z400SM 05-16 1003-1277 FITS MODEL PART # SUZUKI (CONT) DR-Z400SM 17-24 1003-1279 YAMAHA TT-R125 Drum Brake 00-03 1003-1448 TT-R125E Drum Brake 03-09 1003-1448 TT-R125L Disc Brake 00-08 1003-1448 TT-R125LE Disc Brake 03-24 1003-1448 TT-R225 99-04 1003-1449 WR250F 01-13 1003-1450 WR450F 03-11 1003-1450 AIR CUT-OFF VALVE REBUILD KITS •Kit Includes all necessary parts to rebuild the air cut-off valve circuit •Models with multiple carburetors include components to repair all carburetors • Kit includes necessary O-rings, diaphragm, spring, screws •Improperly functioning air cut-off valves can stick open or closed, causing popping on deceleration or poor running conditions DESCRIPTION PART # Air cut-off valve kit 1003-0392 AIR CUT-OFF VALVE KIT FOR YAMAHA TT-R225 01-04 AND XT225 89-07 •Kit replaces OE plastic diaphragm cover which will crack over time and is not offered through Yamaha • Includes diaphragm cover, O-ring, diaphragm spring and diaphragm •Genuine Mikuni parts •Made in Japan 1003-1286 1003-1276
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