Honda CMX300 problems & recalls

Problem: Honda (american honda motor co.) is recalling certain 2017-2023, 2025 cmx500, 2017-2023, 2025-2026 cmx300, and 2025 honda scl500 motorcycles. the handlebar lock screw may loosen and detach.

Risk: A detached screw may lodge between the frame and stem, interfering with steering and increasing the risk of a crash or injury.

Fix: Dealers will replace the lock screw and apply thread lock, free of charge. owner letters were mailed september 29, 2026. owners may contact honda's customer service at 1-866-784-1870. honda's number for this recall is ku8. this recall expands previous nhtsa recall number 26v146. vehicle identification numbers (vins) involved in this recall will be searchable on nhtsa.gov beginning august 4, 2026.

Problem: Honda (american honda motor co.) is recalling certain 2023-2025 cmx300, cmx500, and cl500 motorcycles. the handlebar lock screw may loosen and detach.

Risk: A detached screw may lodge between the frame and stem, interfering with steering and increasing the risk of a crash or injury.

Fix: Dealers will replace the lock screw and apply thread lock, free of charge. owner notification letters were mailed june 15, 2026. owners may contact honda's customer service at 1-866-784-1870. honda's number for this recall is kuo. vehicle identification numbers (vins) involved in this recall will be searchable on nhtsa.gov beginning march 21, 2026.

Problem: Honda (american honda motor co.) is recalling certain 2023 rebel 300 (cmx300) motorcycles. the right engine crank house cover was incorrectly painted, allowing the press-fit plug to fall out.

Risk: Oil can leak onto the exhaust pipe or rear tire without the plug, increasing the risk of a fire, crash, or injury.

Fix: Dealers will replace the right crank case cover, free of charge. owner notification letters were mailed may 25, 2023. owners may contact honda customer service at 1-800-784-1870. honda's number for this recall is kp2.

Problem: Honda (american honda motor co.) is recalling certain 2020-2021 super cub c125, cb500x, cb650r, cbr300r, cbr500r, cbr650r, rebel 300, rebel 500, monkey, 2020 crf250l, grom, 2021 crf300l, and cb500f motorcycles. the rear reflector lens may not reflect brightly enough. as such, these vehicles fail to comply with the requirements of federal motor vehicle safety standard (fmvss) number 108, "lamps, reflective devices, and associated equipment."

Risk: A dim rear reflector may reduce the visibility of the motorcycle to other drivers, increasing the risk of a crash or injury.

Fix: Dealers will replace the rear reflector, free of charge. owner notification letters were mailed july 7, 2021. owners may contact honda customer service at 1-866-784-1870. honda's number for this recall is km3.

Problem: Honda (american honda motor co.) is recalling certain 2019 cb300r, 2018 cbr300r, 2018 crf250l, 2018 crf250l rally, and 2018-2019 cmx300 motorcycles. the circlip, on the transmission's main shaft, may detach allowing for gear misalignment.

Risk: A misaligned gear can shift the transmission from neutral into gear during engine start, potentially resulting in unexpected motorcycle movement or seize the transmission and rear wheel while the motorcycle is in motion. both conditions increase the risk of crash or injury.

Fix: Honda will notify owners, and dealers will replace the transmission main shaft, free of charge. the recall began july 8, 2019. owners may contact honda customer service at 1-866-784-1870. honda's number for this recall is kk3.