BOLD MAGENTA part numbers are new for 2026 FUEL/AIR SYSTEMS PARTS-UNLIMITED.COM STREET | 2026 FUEL/AIR SYSTEMS 1473 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 # EMIS* YAMAHA WR250X 08-13 1020-0988 3 YZF-R6 06-13 1020-0988 3 FZ1 06-15 1020-0988 3 FITS MODEL PART # EMIS* YAMAHA (CONT) YZF-R1 02-03, 07-08 1020-0988 3 YZF-R1 04-06,17 1020-2818 3 Vmax 09-18 1020-0988 3 EXHAUST SERVO REMOVAL MODULES • Eliminates the need for a heavy, bulky, exhaust servo motor and cable assembly when installing full exhaust systems on late Yamaha models •Keeps the FI light from coming on unless there is a “real” problem with the bike’s systems •Decreases the weight of the bike and adds space for additional components •Made in the U.S.A. NOTE: May not be legal for street use in CA. DESCRIPTION PART # EMIS* Wide-band Bosch O2 sensor 1861-0521 4 WIDE-BAND BOSCH O2 SENSOR •For use with air/fuel ratio meters DESCRIPTION PART # O2 sensor bung adapter 1861-0524 O2 SENSOR BUNG ADAPTER FOR 2-STROKE ENGINES •For use with wideband air/fuel ratio meters DESCRIPTION PART # Air/fuel ratio system 3807-0343 TRO2 WIDEBAND AIR/FUEL RATIO SYSTEM •Essential tuning assistant designed to be used with data logging systems such as a dyno or the Mobile Dyno feature from TechnoResearch found in Centurion Pro, Centurion Pro Plus and Tune Builder •Includes two Bosch® LSU 4.2 O2 sensors with 7 foot long cables for easy and versatile usage • Interfaces directly with any TechnoResearch VCM-TR3 communication module found with products such as Tune Builder, Centurion Pro, Centurion Pro Plus •No calibration required with digital precision •12VDC power input required •Made in the U.S.A. 1020-0988
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