Coolant overflow bottle or reserve tank differences – Honda CX500, GL500, CX650, GL650

Here’s a list of which coolant bottle belongs to which model, by part number:

Model Part No. Notes
CX500 ’78-’81 19103-415-000 Single spine frame, all CDI models
CX500 ’81-82 19103-449-830 Single spine frame, TI models
CX500E Sports 19103-MA1-000
CX500 Turbo
CX650E Eurosport
CX650 Turbo
GL500 Interstate as well
GL650
CX650 Custom 19103-ME8-000 Integrated toolbox
CX400 Custom

You can tell which bike first used a particular coolant bottle via the product code.

Photos will be forthcoming of the differences.

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