98-022 Tokyomods Complete Keihin Carb O-Ring / Rebuild Kit The most complete carburetor rebuild kit available for Keihin FCR-MX 37, 39, 40 41mm carbs. O-Ring Kit includes all the necessary o-rings and seals to rebuild your carburetor mid-body o-rings, venturi ring o-ring, top cover o-ring, fuel joint o-ring, float bowl o-ring, float bowl drain o-ring, accelerator pump u-ring, accelerator pump o-ring, diaphragm, valve seat o-ring, fuel screw o-ring, slide plate o-ring, TPS o-ring carb screw kit. Fits: CRF250R 04-09 CRF250X 04-17 CRF450R 02-08 CRF450X 05-17 TRX450R 06-09 TRX450ER 06-14 KX250F 04-10 KX450F 06-08 KLX450R 08-09 250SXF/XCF 05-11 400XC-W 07-10 450SX/SXF/XC/XCF/XCR-W/XC-W/EXC 03-11 525SX/EXC 06-07 530EXC/XCR 08-11 RMZ250 04-09 RMZ450 05-07 YZ250F 03-13 WR250F 03-13 YZ450F 03-09 WR450F 03-11 YFZ450 04-09 Check my other items. Can't find what you are looking for? Just type in what you need in the search box above and click search. Shipping: Calculated shipping and handling amount. Upgraded shipping available. Will ship multiple items for a reduced price. The more you buy, the more you save. All items in STOCK and shipped same or next day after payment Monday through Friday. Payment: IF BUYING MULTIPLE ITEMS REQUEST A TOTAL BEFORE PAYING! IF YOU DO NOT REQUEST A TOTAL AND MAKE PAYMENT THERE WILL BE NO REFUND. YOU MUST REQUEST A TOTAL BEFORE PAYING. PA residents must add 6% sales tax. Always include your FULL shipping address. All payment and tracking information is automatically emailed to you. Payment expected in 5 business days. Outside of US buyers are responsible for any tax or fees your country charges you, and no item will be shipped as a gift.