About the Honda CM450
Choose the right CM450 version before building your repair list.
The CM450 family brings together the CM450A Hondamatic, CM450C Custom and CM450E. The suffix matters: the A uses a torque-converter transmission, while the C and E use a manual clutch. Start with the model links above to narrow the catalog to your motorcycle.
Shared engine size does not mean shared parts
Some carburetor and rear-brake service items cover all three versions. Fork seals and manual clutch plates have narrower applications. This family page helps you choose a branch; each model page then groups parts around the repairs relevant to that version.
Model referenceHonda CM450 model differences
Three routes into the CM450 catalog, with different transmission and service applications.
Torque-converter transmission
CM450A Hondamatic
Use the A collection for carburetor, gasket and brake work. Manual-clutch parts listed for C or E are a separate application.
CM450A Hondamatic partsManual clutch
CM450C Custom
The Custom guide brings together the listed 1982 carburetor, clutch, brake and fork service parts.
CM450C Custom partsManual clutch
CM450E
The E guide separates 1982–1983 engine and clutch examples from the fork-seal listing that also includes 1984.
CM450E partsDetails that identify the applicationHonda CM450 identification checklist
Model and year
Record the full A, C or E designation and model year. Keep frame and engine identification together when researching a motorcycle with replacement components.
Assembly details
Carburetor markings, fork seal dimensions and front or rear brake position distinguish parts that a family name alone cannot.
Your repair list
Record the component needed and its quantity. A steel clutch plate, friction plate and complete clutch assembly are different purchases.