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1977 Honda CB750F Seat Lock

The lock category for the 1977 Honda CB750F contains a single replacement seat lock supplied with keys. It suits the 1975-78 Supersport, and the listing notes that its locking pin sits a little further out than the original Honda part.

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Honda CB750 CB650 CB550 CB500 CB400 seat lock with keys 77230-399-007

Honda CB Seat Lock with Keys ~ Replaces 77230-399-007

$28.95 USD
73-0140
Restore your seat lock with this Seat Lock with Keys, replacing OEM #77230-399-007 / #77230-107-711.This seat lock works perfectly for the bikes listed; the...
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1977 Honda CB750F · Seat lock Buying guide

When the seat will not open

The selected lock includes keys and lists a mechanism that projects slightly farther than the original. Compare the lock and bracket arrangement on the fitted seat before ordering.

Lock to consider

Honda CB Seat Lock with Keys ~ Replaces 77230-399-007 Seat lock with keysReplaces OEM 77230-399-007 and 77230-107-711 for the 1975-78 Supersport.View part

Matching the replacement

Lock 73-0140 replaces 77230-399-007 / 77230-107-711 and lists the 1975–78 CB750F. Check the retained seat, bracket and lock arrangement, especially if parts have been changed.

A slight difference

The supplier notes that the locking mechanism projects slightly farther than the original. Account for that difference when comparing the fitted seat-lock arrangement; do not assume an identical external profile.

Seat lock questions

Are keys included?

Yes, the lock comes with its own keys. It replaces OEM 77230-399-007 and 77230-107-711 and lists the 1975-78 Supersport among many other Honda models of the era.

Will it match my ignition key?

The product includes its own keys but does not state that they match the motorcycle’s existing ignition key or establish rekeying compatibility. Confirm any single-key requirement before ordering.

Is it identical to the original lock?

The supplier explicitly notes that the locking mechanism projects slightly farther than the original. Match the replacement references and fitted arrangement rather than expecting an identical profile.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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