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2019 HONDA CMX300

1 recalls — 0 complaints — 3 TSBs

19V412000 Jun 4, 2019
POWER TRAIN:MANUAL TRANSMISSION
Defect Description
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.
Consequence
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.
Remedy
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.
3,898 vehicles affected
Manufacturer: Honda (American Honda Motor Co.)

No complaints found for this vehicle.

Technical Service Bulletins — 2019 HONDA CMX300

3 manufacturer communications from 1 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.

Most Affected Components

ComponentBulletins
060000 ENGINE AND ENGINE COOLING1
350000 EQUIPMENT1
356000 EQUIPMENT ADAPTIVE/MOBILITY1
TheWrench2Feb.21 Feb 19, 2021
060000 ENGINE AND ENGINE COOLING
The Wrench - If the right engine cover is leaking coolant on any of the models listed, this could be due to the water pipe causing a gap at the clutch cover side. Replacing the O-ring will not fix the leak. Instead, replace the water pipe.
TheWrench2Feb.21 Feb 19, 2021
350000 EQUIPMENT
The Wrench - If the right engine cover is leaking coolant on any of the models listed, this could be due to the water pipe causing a gap at the clutch cover side. Replacing the O-ring will not fix the leak. Instead, replace the water pipe.
TheWrench2Feb.21 Feb 19, 2021
356000 EQUIPMENT ADAPTIVE/MOBILITY
The Wrench - If the right engine cover is leaking coolant on any of the models listed, this could be due to the water pipe causing a gap at the clutch cover side. Replacing the O-ring will not fix the leak. Instead, replace the water pipe.

HONDA CMX300 — All Years Overview

Complete safety history for the HONDA CMX300 across all model years (2018–2025).

8 Total Recalls
1 Total Complaints
0 Investigations
0 Reported Crashes
0 Reported Fires
0 Reported Deaths

HONDA CMX300 — Year by Year

Compare recalls and complaints across model years. Click any year to see full details.

Year Recalls Complaints
2025 1 0 View
2024 1 0 View
2023 2 1 View
2021 1 0 View
2020 1 0 View
2019 (current) 1 0
2018 1 0 View

Other HONDA Models

Model Recalls Complaints
ACCORD 1,544 31,106 View
ODYSSEY 1,083 15,814 View
PILOT 1,019 12,296 View
ACCORD HYBRID 883 1,156 View
CR-V 820 20,314 View
CIVIC 752 19,886 View
INSIGHT 709 669 View
PASSPORT 510 2,127 View