1984 Yamaha YZ490 Engine Parts
- Complete Engines
- Timing Gears & Chains
- Valves & Valve Train Parts
- Pistons, Rings & Connecting Rods
- Camshafts
- Cylinders
- Turbochargers & Superchargers
- Cam Chain & Belt Tensioners
- Oil Filters
- Oil Pumps
- Oil Cooling Systems
- Oil Pans, Dipsticks & Drain Plugs
- Oil Lines
- Oil Tanks
- Engine Case Covers
- Engine Vents
- Engine Sensors & Switches
- Engine Gaskets & Seals
- Engine Mounts & Hardware
- Engine Bearings
- Engine Oils & Additives
- Chemicals
- Engine Tools
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S&S Cycle®T124 T124 Long Block EngineT124 T124 Long Block Engine by S&S Cycle®. A lot of riders have already invested in performance upgrades for their stock engine by the time they are ready to move up to a complete big inch engine. Wouldn’t it be nice to be able to...No fuel system or ignition systems included - Use what you already haveSpecial Head machining – Fits stock length intake manifolds (S&S manifold size 410)$7,581.95 - Twin Power®Shovelhead CylinderShovelhead Cylinder by Twin Power®. 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 industry-leading...Expertly crafted from premium materialsDesigned to match rigorous quality standards$182.78 - $205.84
- WSM®CylinderCylinder by WSM®. 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 industry-leading materials using...$91.12
- EMGO®Oil Filter BoltOil Filter Bolt by EMGO®. Company is here with excellent products that are available at a competitive price. The company does its utmost to provide the best possible solutions for your needs. All products by are made with expert care...High grade materials paired with the innovative designExceptional quality at an affordable price$25.53
- Outlaw Racing®Performance Oil FilterPerformance Oil Filter by Outlaw Racing®. Outlaw oil filter is designed to meet or exceed OEM oil filters specs while offering longer life with comparable filters. With a performance efficiency of 99% @ 20 Microns for removing damaging...Designed to fulfill your motorcycle needsElaborately created with customization in mind$19.94
- Twin Power®Magnetic Oil FilterMagnetic Oil Filter with Nuts by Twin Power®. Take it off with a twist of the nut - the new Twin Power™ Chrome Oil Filters with Easy-Off Nut. Premium-quality, magnet-equipped oil filters that are easy to get off.Premium-qualityMagnet-equipped$17.44 - $17.67
- Bronco ATV®Valve Stem SealsValve Stem Seals by Bronco ATV®. 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 industry-leading...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$17.54
- Kibblewhite®Exhaust ValveExhaust Valve by Kibblewhite®. 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 industry-leading...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$27.91 - $30.03
- Kibblewhite®Exhuast ValveExhuast Valve by Kibblewhite®. 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 industry-leading...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$29.26
- Kibblewhite®Valve GuideValve Guide by Kibblewhite®. 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 industry-leading...Built to provide superior quality and performanceMade with the use of the most innovative technologies$25.32
- King Racing®Oil Filter O-RingOil Filter O-Ring by King 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 from industry-leading...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$4.28
- Lunati®Spring ID Locator KitSpring ID Locator Kit by Lunati®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to provide a perfect fit for...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$9.53
- ProX®Assorted Valve ShimsAssorted Valve Shims by ProX®. 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 industry-leading...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$91.00
- ProX®Camshaft Chain Master LinkCamshaft Chain Master Link by ProX®. 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 industry-leading...Carefully developed for the highest level of qualityReady to serve reliably for years to come$4.43 - $7.79
- ProX®Valve ShimValve Shim by ProX®. 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 industry-leading materials using...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$7.12 - $9.28
- ProX®Valve ShimsValve Shims by ProX®. 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 industry-leading materials...Precise manufacturing and high-grade materialsExpertly crafted from the highest grade materials$8.43
- S&S Cycle®Cam Chain TensionerCam Chain Tensioner by S&S Cycle®. 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 industry-leading...Superior valve train controlThicker shoe for longer wear$90.95
- S&S Cycle®Camshaft Chest KitCamshaft Chest Kit by S&S Cycle®. 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 industry-leading...Upgrade to S&S bolt-in performance chain drive camshaftsImproved engine performance - higher lift and optimized cam timing$2,062.95
- Lucas Oil®High Performance SAE 10W-40 Synthetic Motor Oil, 6 GallonsHigh Performance SAE 10W-40 Synthetic Motor Oil, 6 Gallons by Lucas Oil®. Lucas High Performance motorcycle oils are the result of technology gained through years of blending motor oils and gear oils for the racing, industrial, and...$196.57
- Lucas Oil®High Performance SAE 10W-50 Synthetic Motor Oil, 6 GallonsHigh Performance SAE 10W-50 Synthetic Motor Oil, 6 Gallons by Lucas Oil®. Lucas High Performance motorcycle oils are the result of technology gained through years of blending motor oils and gear oils for the racing, industrial, and...$196.57
- Lucas Oil®High Performance SAE 20W-50 Conventional Motor Oil, 6 GallonsHigh Performance SAE 20W-50 Conventional Motor Oil, 6 Gallons by Lucas Oil®. 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...$145.24
- Lucas Oil®High Performance SAE 20W-50 Synthetic Motor Oil, 5 GallonsHigh Performance SAE 20W-50 Synthetic Motor Oil, 5 Gallons by Lucas Oil®. Lucas High Performance motorcycle oils are the result of technology gained through years of blending motor oils and gear oils for the racing, industrial, and...$196.57
- Lucas Oil®High Performance SAE 50W Synthetic 4-Stroke Motorcycle Oil, 6 GallonsHigh Performance SAE 50W Synthetic 4-Stroke Motorcycle Oil, 6 Gallons by Lucas Oil®.$196.57
- Lucas Oil®High Performance SAE 5W-30 Synthetic Motor Oil, 6 GallonsHigh Performance SAE 5W-30 Synthetic Motor Oil, 6 Gallons by Lucas Oil®. Lucas High Performance motorcycle oils are the result of technology gained through years of blending motor oils and gear oils for the racing, industrial, and...$196.57
- Lucas Oil®High Performance SAE 70W Synthetic 4-Stroke Motor Oil, 6 GallonsHigh Performance SAE 70W Synthetic 4-Stroke Motor Oil, 6 Gallons by Lucas Oil®. Lucas High Performance motorcycle oils are the result of technology gained through years of blending motor oils and gear oils for the racing, industrial,...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$163.53
- Maxima Racing Oils®Maxum Extra 4™ SAE 5W-40 Full Synthetic Engine Oil, 5 GallonsMaxum Extra 4™ SAE 5W-40 Full Synthetic Engine Oil, 5 Gallons by Maxima Racing Oils®. Full-synthetic, triple ester 4-stroke engine oil designed to ensure maximum performance while providing maximum protection under the most severe...Ultimate hardware protection & shifting confidence for even the most aggressive ridersInnovative formulation enables maximum power while ensuring optimal clutch engagement$344.74
- Maxima Racing Oils®Maxum Pro+™ Conventional Engine OilMaxum Pro+™ Conventional Engine Oil, 60 Liters by Maxima Racing Oils®. 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...Made to deliver trouble-free operation for years aheadOptimal protection against wear$723.06 - $751.39
- Maxima Racing Oils®SAE 20W-25 Synthetic Synthetic Blend Motor Oil, 60 LitersSAE 20W-25 Synthetic Synthetic Blend Motor Oil, 60 Liters by Maxima Racing Oils®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...Made to provide the perfect lubricant solution for your needsDesigned with innovative manufacturing techniques$486.18
- Castrol®Act Evo® X-Tra SAE 10W-40 Semi-Synthetic 4T Engine Oil, 55 GallonsAct Evo® X-Tra SAE 10W-40 Semi-Synthetic 4T Engine Oil, 55 Gallons by Castrol®. 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, this...Made to provide the perfect lubricant solution for your needsDesigned with innovative manufacturing techniques$2,114.96
- Castrol®Power 1 SAE 10W-50 4T Engine Oil, 55 GallonsPower 1 SAE 10W-50 4T Engine Oil, 55 Gallons by Castrol®. 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...Crafted to deliver unbeatable levels of qualityHigh grade materials for exceptional performance$2,880.74
