2018 Harley-Davidson Flhr
Problems, recalls and owner-reported issues
Power train is the leading concern among 5 owner complaints filed for this model year. This is the highest complaint count among 5 Flhr model years with reports.
What owners report most often
Recalls and investigations
Power train, clutch assemblyOct 18, 2018
Harley-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.
If the clutch cannot be disengaged it can result in a loss of control, increasing the risk of a crash.
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.
Campaign 18V734000 on NHTSA.gov
Representative owner complaints: engine
2 reports, newest first. Show all
Engine, Jul 12, 2026
I have oil in my breather which is a result from engine sumping problems, I have had Harley Davidson to check recalls and there were none., the bike has 22853 miles on it. Also Harley Davidson checked maintenance records to see if my oil pump had been replaced, they said it had not. The sumping problems could cause a catastrophic failure and an accident
Engine, May 24, 2018
ENGINE GETS HOT AND STALLS OUT IN TRAFFIC DUE TO ENGINE CASE FILLING WITH OIL, HARLEY CALLS THIS WET SUMPING, HUNDREDS OF BIKE ENGINES ARE BLOWING UP ALL OVER THE WORLD, ITS ALL OVER THE INTERNET, WITH HARLEYS NEW M8 ENGINE, THE BIKE STALLS OUT WITH NO WARNING, IVE HAD CARS AND TRUCKS ALMOST RUN ME OVER.