1986 Yamaha YZ490 Exhaust Parts
- Daytona Twin Tec®18 x 1.5 mm Hex Socket PlugUniversal 18 x 1.5 mm Hex Socket Plug by Daytona Twin Tec®. Mates with 18 x 1.5 mm weld nut. Allows removing oxygen sensor. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Precision engineered to excite you and performMade in compliance with standards for quality$8.00 - $13.00
- Daytona Twin Tec®18 x 1.5 mm Weld NutUniversal 18 x 1.5 mm Weld Nut by Daytona Twin Tec®. For mounting wide-band sensor on exhaust pipe. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and...Precision engineered to excite you and performMade in compliance with standards for quality$8.00 - $13.00
- Daytona Twin Tec®Single Channel WEGO III System with DisplayUniversal Single Channel WEGO III System with Display by Daytona Twin Tec®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Precision engineered to excite you and performMade in compliance with standards for quality$475.00
- Edelbrock®Oxygen Sensor BungUniversal Oxygen Sensor Bung by Edelbrock®. Weld-In Oxygen Sensor Bung is for All Edelbrock Pro-Flo EFI Systems, E-Street EFI, QwikData 2, or any application requiring an Oxygen Sensor installed in the Exhaust system. This part is...Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions$14.95
- Fast®Oxygen Sensor PlugUniversal Oxygen Sensor Plug by Fast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$18.95
- Fast®Oxygen Sensor Plug & Bung KitUniversal Oxygen Sensor Plug & Bung Kit by Fast®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...High quality at an affordable priceExpertly made from premium materials$27.95
- KOSO®Bosch LSU 4.2 Lambda A/F Ratio Wideband SensorUniversal Bosch LSU 4.2 Lambda A/F Ratio Wideband Sensor by KOSO®. Thread size : 18 mm x 1.5. A/F Ratio sensor is a wide band Bosch oxygen sensor that fits on the X-2 Boost Gauge with Wideband Air/fuel Ratio & Temperature (BA004068)....Expertly crafted from the highest grade materialsExquisite workmanship and solid design$125.96
- KOSO®O2 Sensor AdaptorUniversal O2 Sensor Adaptor by KOSO®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Expertly crafted from the highest grade materialsExquisite workmanship and solid design$39.56
- KOSO®O2 Sensor BungUniversal O2 Sensor Bung by KOSO®. For Air/Fuel Ratio meters. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Expertly crafted from the highest grade materialsExquisite workmanship and solid design$10.76
- KOSO®O2 Sensor Bung CapUniversal O2 Sensor Bung Cap by KOSO®. For Air/Fuel Ratio meters. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Expertly crafted from the highest grade materialsExquisite workmanship and solid design$8.06
- Starting Line®Extra O2 Bung and PlugYamaha YZ490 1986, Extra O2 Bung and Plug by Starting Line®. This AutoTune module is another helpful fuel injection tuning aid. How it works is the user programs a target O2 map into the module based on throttle position and RPM. Once...Engineered to ensure ultimate strength and maximum safetyMade to give you more confidence while driving$18.95
- Vibrant Performance®J-Style O2 Sensor Thread-On Bung AdapterUniversal J-Style O2 Sensor Thread-On Bung Adapter by Vibrant Performance®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...Made with precision and quality in mindDesigned to meet your specific needs$36.99
- Vibrant Performance®O2 Sensor PlugUniversal O2 Sensor Plug by Vibrant Performance®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your...Made with precision and quality in mindDesigned to meet your specific needs$4.29
- Paughco®Exhaust GasketsUniversal Exhaust Gaskets by Paughco®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials$39.95
- Akrapovic®OE Noise Reduction InsertUniversal OE Noise Reduction Insert by Akrapovic®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...Designed to maximize horsepower and torque of your motorcycleMade with meticulous attention to detail and unmatched craftsmanship$54.95 - $83.38
- Big Gun Exhaust®Packing KitStandard Packing Kit by Big Gun Exhaust®. packing is one of the most important elements of your big gun exhaust. since all big gun mufflers are packing-style mufflers that contain packing material within them, they eventually require...Packing pillow for easier installationHigh-temp loose-fill packing material condensed into an outer casing (resembling a pillow)$24.99
- FMF Racing®Factory 4.1™ Quiet Core InsertUniversal Factory 4.1™ Quiet Core Insert by FMF Racing®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Designed for your exhaust system needsWill deliver unparalleled performance$26.99
- FMF Racing®Factory 4.1™ Spark ArrestorUniversal Factory 4.1™ Spark Arrestor by FMF Racing®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...Designed for your exhaust system needsWill deliver unparalleled performance$35.99
- FMF Racing®Powercore 4™ Hex Slip-On Muffler Buffle InsertUniversal Powercore 4™ Hex Slip-On Muffler Buffle Insert by FMF Racing®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Designed for your exhaust system needsWill deliver unparalleled performance$35.99
- FMF Racing®Premier 4.1™ Muffler Repacking KitUniversal Premier 4.1™ Muffler Repacking Kit by FMF Racing®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Developed for high-output 4 stroke 4.1 mufflersFeaturing Acousta-Fil® for maximum durability and longevity$26.99
- FMF Racing®Quiet Performance Q4™ Hex Slip-On Muffler Baffle InsertUniversal Quiet Performance Q4™ Hex Slip-On Muffler Baffle Insert by FMF Racing®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...Incorporates internal baffles, chambers and space age sound-absorbing materials to accelerate exhaust flow with less noise and minimal power lossWell under the 96db sound output on most machines to satisfy strict sound requirements$35.99
- FMF Racing®Titanium 4™ Spark Arestor InsertUniversal Titanium 4™ Spark Arestor Insert by FMF Racing®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Designed for your exhaust system needsWill deliver unparalleled performance$19.79
- Graves Motorsports®Exhaust Insert BaseUniversal Exhaust Insert Base by Graves Motorsports®. Graves Motorsports exhaust insert base 49mm. This sound limiting insert is designed to bolt into Graves exhaust systems silencers that have a 49mm (Pre-drilled exit cap).Made with innovations for the latest in qualityPerfect for motorcycle applications$33.24
- Paughco®Exhaust BaffleUniversal Exhaust Baffle by Paughco®. The easy way to take the bark out of your drag pipes without losing all the sound and power you wanted from them to start with. Simply drill a small hole in backside of your pipe out of view, and...Simply drill a small hole in backside of your pipe, out of view, and slip in and hold in place with a small boltMade in USA$39.95
- Jones Exhaust®Full Boar Slip-On MufflerFull Boar Slip-On Muffler by Jones Exhaust®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$260.92 - $317.97
- Lextek®4 - 2 - 1 DownpipeUniversal 4 - 2 - 1 Downpipe by Lextek®. Lextek Headers are constructed from 304 stainless steel that's highly polished with a brushed finish. This top-grade product is expertly made in compliance with stringent industry standards to...Constructed from 304 stainless steel that's highly polished with a brushed finish or titanium finishLighter, free flowing performance headers$293.25
- Lextek®Exhaust SilencerUniversal Exhaust Silencer by Lextek®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...304 stainless steel3K carbon fiber$119.54 - $293.25
- Lextek®Exhaust SilencerUniversal Exhaust Silencer by Lextek®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from...304 stainless steel3K carbon fiber$155.17 - $275.39
- Lextek®Stubby Exhaust SilencerUniversal Stubby Exhaust Silencer by Lextek®. This classic big bore, big sound stubby with its 73mm slash cut outlet has a lovely deep tone combined with a powerful rasp that will certainly get your bike heard! The YP4 is solidly...Lifetime manufacturer's warrantyExpertly crafted from the highest grade materials$119.76
- Design Engineering®3000™ Fire WrapUniversal 3000™ Fire Wrap by Design Engineering®. Fire Wrap 3000™ thermal insulator sleeve is constructed from the same material as DEI Fire Sleeve™ but with the convenience of a hook & loop edge closure design. Fire Wrap 3000™...Withstands direct heat up to 500°FProtects against oil, dirt, road grime & other contaminates$24.80 - $31.66