Harley-Davidson Fat Boy maintenance schedule & recalls
2000–2026
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Maintenance schedule
General guidanceTypical intervals — not model-verified. Confirm against your owner’s manual.
| Service | Interval |
|---|---|
| Oil & filter | every 4,000 mi or 6 months |
| Chain & sprockets | every 600 mi or 3 months |
| Brakes | every 12 months |
| Valve adjustment | every 16,000 mi or 24 months |
| Battery | every 12 months |
| Spark plugs | every 8,000 mi or 24 months |
| Fluids/coolant | every 24 months |
Recalls
NHTSA · refreshed about 1 hour agoHarley-Davidson Motor Company (Harley-Davidson) is recalling certain 2017-2018 Police Road King (FLHP), Road King (FLHR), Road King Special (FLHRXS), Electra Glide Ultra Classic (FLHTCU), Ultra Limited (FLHTK), Ultra Limited Low (FLHTKL), Ultra Limited Shrine (FLHTK SHRINE), Police Electra Glide (FLHTP), Street Glide (FLHX), Street Glide Special (FLHXS), Road Glide Ultra (FLTRU), Road Glide (FLTRX), Road Glide Special (FLTRXS), Freewheeler (FLRT), Tri Glide Ultra (FLHTCUTG), CVO Limited (FLHTKSE) and CVO Street Glide (FLHXSE) motorcycles, 2017 Softail Slim S (FLSS), Fat Boy S (FLSTFBS) and CVO Pro Street Breakout (FXSE) motorcycles, 2018 115th Anniversary Ultra Limited (FLHTK ANV), 115th Anniversary Street Glide (FLHX ANV), 115th Anniversary Street Glide Special (FLHXS ANX), 115th Anniversary Tri Glide Ultra (FLHTCUTG ANV), 115th Anniversary CVO Limited (FLHTKSE ANV) and CVO Road Glide (FLTRXSE) motorcycles. The secondary clutch actuator cylinder may leak fluid internally and the clutch master cylinder may lose the ability to generate enough lift to disengage the clutch.
Remedy: Harley-Davidson will notify owners, and dealers will install a new secondary clutch actuator piston assembly, free of charge. The recall began November 5, 2018. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0173.
Harley-Davidson Motor Company (Harley-Davidson) is recalling certain model year 2016 Electric Glide Ultra Classic (FLHTCU), Electra Glide Ultra Classic Low (FLHTCUL), Ultra Limited Low (FLHTKL), Ultra Limited (FLHTK), CVO Street Glide (FLHXSE), Street Glide (FLHX), Street Glide Special (FLHXS), Road Glide Special (FLTRXS), Road Glide (FLTRX), Police Electra Glide (FLHTP), Road Glide Ultra (FLTRU), Fat Boy S (FLSTFBS), Softail Slim S (FLSS), and CVO Softail Pro Street Breakout (FXSE) motorcycles. In the affected motorcycles, the clutch master cylinder may lose the ability to generate enough lift to disengage the clutch, especially if the motorcycle has been parked for an extended period of time.
Remedy: Harley-Davidson will notify owners, and dealers will inspect the clutch master cylinder for the presence of gas in the fluid, if so, the dealer will flush the clutch system and rebuild the clutch master cylinder, free of charge. The recall began July 19, 2016. Owners may contact Harley-Davidson customer service at 1-800-258-2464. Harley-Davidson's number for this recall is 0169.
CERTAIN MOTORCYCLES WERE BUILT WITH A CONDITION THAT PERMITS THE POSITIVE BATTERY CABLE TO CONTACT A WELD BEAD ON THE OIL TANK. THIS MAY CAUSE THE WELD BEAD TO ABRADE THROUGH THE INSULATION ON THE CABLE AND CAUSE AN ELECTRICAL SHORT FROM THE BATTERY THROUGH THE OIL TANK AND OIL LINES.
Remedy: DEALERS WILL INSTALL A BATTERY CADDY THAT WILL PROTECT THE CABLE AND ENSURE PROPER CABLE ROUTING. THIS RECALL BEGAN ON MAY 4, 2007. OWNERS MAY CONTACT HARLEY-DAVIDSON AT 1-414-342-4080.
CERTAIN SOFTAIL MOTORCYCLES FAIL TO COMPLY WITH THE REQUIREMENTS OF PART 567, 'CERTIFICATION.' THE VIN/CERTIFICATION LABEL CONTAINS INCORRECT TIRE SIZE AND INFLATION PRESSURES FOR THE FRONT WHEEL. THE LABEL STATES THE TIRE SIZE IS MT90B21 AND THE INFLATION PRESSURE AS 30 PSI, WHEREAS THE CORRECT TIRE SIZE IS MT90B16, AND THE CORRECT INFLATION PRESSURE IS 36 PSI.
Remedy: HARLEY- DAVIDSON WILL MAIL INSTRUCTIONS ALONG WITH CORRECTED FEDERAL CERTIFICATION LABEL. IF AN OWNER SO DESIRES, A DEALER CAN INSTALL THE LABEL FOR THEM. THE RECALL BEGAN ON JUNE 6, 2005. OWNERS MAY CONTACT HARLEY-DAVIDSON AT 1-414-343-4056.
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Common questions
How often should the oil & filter be serviced on a Harley-Davidson Fat Boy?
Service every 4,000 mi or 6 months for the Harley-Davidson Fat Boy (2000–2026) (general guidance — confirm against your owner's manual).
How often should the chain & sprockets be serviced on a Harley-Davidson Fat Boy?
Service every 600 mi or 3 months for the Harley-Davidson Fat Boy (2000–2026) (general guidance — confirm against your owner's manual).
How often should the brakes be serviced on a Harley-Davidson Fat Boy?
Service every 12 months for the Harley-Davidson Fat Boy (2000–2026) (general guidance — confirm against your owner's manual).
How often should the valve adjustment be serviced on a Harley-Davidson Fat Boy?
Service every 16,000 mi or 24 months for the Harley-Davidson Fat Boy (2000–2026) (general guidance — confirm against your owner's manual).