2 recalls and 0 owner complaints on file with NHTSA for the 2019 Honda CMX300.
2
recalls
0
owner complaints
0
complaints mentioning a crash
0
mentioning a fire
Recalls apply to specific production ranges. To see whether a particular car still has an open recall, enter its VIN at nhtsa.gov/recalls. Repairs for safety recalls are free at authorised dealers.
2019 Honda CMX300 recalls
Steering: steering wheel/handle bar · Steering: critical fasteners
NHTSA campaign 26V500000 · reported July 30, 2026 · Honda (American Honda Motor Co.) · 43,913 vehicles potentially affected
The 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.
The risk
A detached screw may lodge between the frame and stem, interfering with steering and increasing the risk of a crash or injury.
The 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.
Power train: manual transmission
NHTSA campaign 19V412000 · reported June 4, 2019 · Honda (American Honda Motor Co.) · 3,898 vehicles potentially affected
The 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.
The 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.
The 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.
Yes. NHTSA lists 2 recalls for the 2019 Honda CMX300, the most recent reported on July 30, 2026 (Steering: steering wheel/handle bar, Steering: critical fasteners). Check a specific car by its VIN at nhtsa.gov/recalls.
What are the most common problems with the 2019 Honda CMX300?
There are few or no owner complaints on file for the 2019 Honda CMX300.
Source: NHTSA recall and complaint data, updated October 27, 2026.