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Service bulletin CMX300-500

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10139578
Published by NHTSA2018-06-11
Manufacturer's numberCMX300-500
Manufacturer's date2018-05-25
NHTSA componentEQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

NHTSA's summary

Service bulletin - Honda is launching an EMISSION RECALL of all 2017, and certain 2018 CMX300/A and CMX500/A motorcycles to replace the EVAP canister charge hose with an updated part. The canister charge hose exceeds the California and federal fuel vapor permeation standard.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Equipment and accessories, Exhaust and emissions

Vehicles listed
HONDA CMX3002017 to 2018
HONDA CMX5002017 to 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.