1990 Harley Davidson Fat Boy Drivetrain & Transmission Parts
- Drive Chains
- Sprockets
- Drive Belts & Pulleys
- Primary Chains & Belts
- Clutches
- Transmissions & Components
- Axles & Accessories
- Chain Guide, Protection & Sliders
- Transmission Covers
- Chain & Belt Adjusters
- Primary Chain & Belt Tensioners
- Clutch Lines
- Transmission Gaskets, Seals & Bushings
- Drivetrain & Transmission Bearings
- Drivetrain & Transmission Mounts
- Engine & Transmission Custom Covers
- Chain Lubes & Cleaners
- Transmission Fluids & Oils
- Gear Oils
- Greases
- Drivetrain & Transmission Tools
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Biker's Choice®Louvered Chrome Coil CoverHarley Davidson Fat Boy 1990, Louvered Chrome Coil Cover by Biker's Choice®. Cover in popular louvered design. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced...Designed to provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials$26.74 - Biker's Choice®Maltese Chrome/Black Coil CoverHarley Davidson Fat Boy 1990, Maltese Chrome/Black Coil Cover by Biker's Choice®. 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 to provide unrivaled value and maximum reliabilityExpertly crafted from the highest grade materials$34.34
- Paughco®Chrome Inspection CoverUniversal Chrome Inspection Cover by Paughco®. When it comes to quality, Paughco® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the...Designed specifically for your MotorcycleState-of-the-art technology and exquisite workmanship$18.95
- Paughco®Inspection Cover ScrewsUniversal Inspection Cover Screws by Paughco®. When it comes to quality, Paughco® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the...Designed specifically for your MotorcycleState-of-the-art technology and exquisite workmanship$21.95
- Paughco®Linkert Carb CoverUniversal Linkert Carb Cover by Paughco®. When it comes to quality, Paughco® knows no compromises, All the products made by this stringent quality control conditions, The latest manufacturing methods coupled with the use of the...Designed specifically for your MotorcycleState-of-the-art technology and exquisite workmanship$122.95
- Paughco®Panhead Rocker CoversUniversal Panhead Rocker Covers by Paughco®. When it comes to quality, Paughco® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the...Designed specifically for your MotorcycleState-of-the-art technology and exquisite workmanship$198.95
- Paughco®Rocker Cover ScrewsUniversal Rocker Cover Screws by Paughco®. When it comes to quality, Paughco® knows no compromises. All the products made by this stringent quality control conditions. The latest manufacturing methods coupled with the use of the...Designed specifically for your MotorcycleState-of-the-art technology and exquisite workmanship$27.95
- Performance Machine®Scallop Clutch CoverHarley Davidson Fat Boy 5 Speed With Cable Clutch 1990, Scallop Aluminum Clutch Cover by Performance Machine®. The Performance Machine Scallop Cover Line was created to replace those uninspiring H-D stock covers that are often...Engineered to fulfill your motorcycle needsWill push the limits of high quality and value$346.95
- Roland Sands Design®Nostalgia Ignition/Points CoverHarley Davidson Fat Boy 1990, Nostalgia Ignition/Points Cover by Roland Sands Design®. Designed as a direct replacement for your stock ignition/points cover. Designed as a direct replacement for your stock ignition/points cover. This...Laser engraved RSD LogoCreated by professionals to meet your requirements$120.95 - $133.95
- S&S Cycle®Flangeless Natural Alternator Gearcover KitHarley Davidson Fat Boy Big Twin 1990, Flangeless Natural Alternator Gearcover Kit by S&S Cycle®. Includes gaskets and mounting hardware. This top-grade product is expertly made in compliance with stringent industry standards to offer a...Flangeless style gearcover kit for 73-92 Harley-Davidson® Big Twins are machined from 356-T6 aluminum castings and are distinctively different in appearance from stock and feature an inner cast aluminum gear cover and a decorative bolt-on outer coverCast alternator style gear covers will accept either points or electronic ignition systems$278.95
- Bel-Ray®Big Twin Transmission OilUniversal Big Twin Transmission Oil by Bel-Ray®. Big Twin Transmission Oil is a multi-grade 4-stroke V-Twin transmission oil formulated for sliding contacts of gears in heavily loaded 4-stroke transmissions. It provides superior...Formulated for motorcycles with separate transmissions and or final drivesWear protection extends gear life$13.82
- Bel-Ray®Gear Saver Transmission OilUniversal Gear Saver Transmission Oil by Bel-Ray®. Bel-Ray® Gear Saver Transmission Oil is a gear oil that has been developed for the unique demands of all motorcycle transmissions equipped with wet clutches. Bel-Ray Gear Saver...Maximum protection and performance in the transmissions of 2-cycle motorcyclesFormulated to protect transmission gears from wear$13.82 - $400.20
- Bel-Ray®Gear Saver Transmission OilUniversal Gear Saver Transmission Oil by Bel-Ray®. Bel-Ray® Gear Saver Transmission Oil is a gear oil that has been developed for the unique demands of all motorcycle transmissions equipped with wet clutches. Bel-Ray Gear Saver...Maximum protection and performance in the transmissions of 2-cycle motorcyclesFormulated to protect transmission gears from wear$13.82 - $400.20
- Bel-Ray®Thumper Gear Saver Transmission OilUniversal Thumper Gear Saver Transmission Oil by Bel-Ray®. Bel-Ray® Thumper Gear Saver Transmission Oil is a premium 4-stroke transmission oil that has been developed for the unique demands of 4-stroke motorcycles equipped with...Maximum protection and performance in the transmissions of 2-cycle motorcyclesNew Thumper Gear Saver in 80W85$13.82
- Klotz®Flex Drive™ 30 Synthetic Transmission LubricantUniversal Flex Drive™ 30 Synthetic Transmission Lubricant by Klotz®. 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....Recommended for 2 and 4-stroke transmissionsLow viscosity, extreme pressure SAE 75W/80$13.93 - $17.74
- Klotz®Flex Drive™ 30 Synthetic Transmission LubricantUniversal Flex Drive™ 30 Synthetic Transmission Lubricant by Klotz®. 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....Recommended for 2 and 4-stroke transmissionsLow viscosity, extreme pressure SAE 75W/80$13.93 - $17.74
- Klotz®Transmission Gear LubeUniversal Transmission Gear Lube by Klotz®. 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...Certified warranty compliant: API GL-5Smoother and quieter shifting$18.38 - $19.24
- Klotz®Transmission Gear LubeUniversal Transmission Gear Lube by Klotz®. 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...Certified warranty compliant: API GL-5Smoother and quieter shifting$18.38 - $19.24
- Maxima Racing Oils®75W MTL-XL Motorcycle Transmission/Clutch FluidUniversal 75W MTL-XL Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$12.00 - $135.77
- Maxima Racing Oils®75W MTL-XL Motorcycle Transmission/Clutch FluidUniversal 75W MTL-XL Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$12.00 - $135.77
- Maxima Racing Oils®80W MTL-R Motorcycle Transmission/Clutch FluidUniversal 80W MTL-R Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$9.18 - $167.52
- Maxima Racing Oils®80W MTL-R Motorcycle Transmission/Clutch FluidUniversal 80W MTL-R Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$9.18 - $167.52
- Maxima Racing Oils®80WT SXS Premium Mineral-Based Transmission FluidUniversal 80WT SXS Premium Mineral-Based Transmission Fluid by Maxima Racing Oils®. Mineral-based transmission fluid formulated specifically for use in modern side-by-side (SXS) vehicles. Robust formulation maintains film thickness and...Formulated for use in modern side-by-side (SXS) transmissionsCan also be used in SXS wet rear brake systems$9.18
- Maxima Racing Oils®85W MTL-E Motorcycle Transmission/Clutch FluidUniversal 85W MTL-E Motorcycle Transmission/Clutch Fluid by Maxima Racing Oils®. MTL has been significantly improved with new technologically advanced additive systems that drastically improve clutch life and reduce slippage. While...Clutch saver formulaSafe for use in 2 & 4 stroke transmissions$9.18
- Red Line®V-Twin Transmission Oil with ShockProof™Universal V-Twin Transmission Oil with ShockProof™ by Red Line®. Shockproof® technology to make a big impact against big impacts. Full-synthetic formulations specific to the latest V-Twins, UTVs, ATVs and Sportbikes. This top-grade...Full-synthetic formulations specific to the latest V-Twins, UTVs, ATVs and SportbikesExpertly crafted from the highest grade materials$274.56
- Twin Power®80W90 Transmission Gear LubeUniversal 80W90 Transmission Gear Lube by Twin Power®. Lube and protect your H-D™ Gearbox with Twin Power. Specially developed for Harley-Davidson™ custom models with separate primary and transmission cases, Twin Power transmission...Made in USACrafted to deliver unbeatable levels of quality$103.73
- Twin Power®85W140 Semi-Synthetic Transmission OilUniversal 85W140 Semi-Synthetic Transmission Oil by Twin Power®. Twin Power Semi-Synthetic 85W140 provides smooth shifting. Twin Power semi-synthetic base formula means ultra-high films strength and shear stability that resists...Made in USACrafted to deliver unbeatable levels of quality$117.93
- Twin Power®Sportlube Sportster Transmission FluidUniversal Sportlube Sportster Transmission Fluid by Twin Power®. Specially formulated for 71 and later XL models for smooth shifting and clutch action. This SAE 80W90 oil has been specially formulated for use in 1971 and later...Made in USACrafted to deliver unbeatable levels of quality$95.06
- Eastern Performance®5-Speed Big Twin Shifter Rod Retaining RingHarley Davidson Fat Boy 1990, 5-Speed Big Twin Shifter Rod Retaining Ring by Eastern Performance®. 10 Pieces. Eastern Performance® has a huge selection of the best motorcycle parts & accessories for your Harley Davidson Touring,...Crafted with precision using leading innovationsDesigned specifically for Harley-Davidson motorcycles$6.75
- Eastern Performance®5-Speed Mainshaft Ball Bearing Retaining RingHarley Davidson Fat Boy 1990, 5-Speed Mainshaft Ball Bearing Retaining Ring by Eastern Performance®. 5 Pieces. Eastern Performance® has a huge selection of the best motorcycle parts & accessories for your Harley Davidson Touring,...Crafted with precision using leading innovationsDesigned specifically for Harley-Davidson motorcycles$20.52
