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1977 Honda CB550K Speedometer & Tachometer Cables

The listed gauge cables for the 1977 Honda CB550K have different lengths and jobs: a 29-inch tachometer cable and a 38.5-inch end-to-end speedometer cable. Compare each installed cable’s ends and path, especially when the instruments or their mounting position have been changed.

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Honda CB750 CB650 CB550 CB400 CB350 tach drive plug block off w o-ring

Honda CB Tach Drive Plug Block Off w O-Ring

$22.95 USD
73-0884
Block off your tach drive cleanly with this Tach Drive Plug (Block Off) with O-ring. This plug is generally used when the tachometer cable...
Honda CB750 CB550 CB500 CB400 tachometer cable clamp 50462-323-010

Honda CB750 / CB550 / CB500 / CB400 Tachometer Cable Clamp ~ Replaces 50462-323-010

$7.00 USD
29-7004
Replace your worn tachometer cable clamp with this Chrome Tachometer Cable Clamp, replacing OEM #50462-323-010.Key Features• Chrome tachometer cable clamp• Replaces OEM #50462-323-010• Honda...
Honda CB750 CB550 CB500 CB450 CB400 speedometer cable 44830-425-870

Honda CB Speedometer Cable ~ Replaces 44830-425-870

$22.66 USD
51-2304
Replace your CB speedometer cable with this Speedometer Cable in black, replacing OEM #44830-425-870. End-to-end length 38.5". Made in Japan.Key Features• Speedometer cable, black•...
Honda CB1000 CB900 CB750 CB550 tachometer cable 37260-149-000

Honda CB1000 / CB900 / CB750 / CB550 Tachometer Cable ~ Replaces 37260-149-000

$20.59 USD
51-2401
Replace your CB tachometer cable with this Tachometer Cable in black, replacing OEM #37260-149-000 (700mm) / #37260-KB7-010 / #37250-149-000. Cable length 29". Made in...
Honda CB1000 CB900 CB750 CB650 speedo gear plug

Honda CB1000/CB900/CB750/CB650 Speedo Gear Plug

$43.95 USD
29-0538
Keep your speedo drive gear clean with this Speedo Gear Plug, 15mm outer diameter, 22mm long.Key Features• Speedo gear plug• 15mm outer diameter, 22mm...
Honda CB750 CB650 CB550 tach drive plug block off black joker machine

Honda CB Tach Drive Plug Block Off ~ Black ~ Joker Machine

$39.95 USD
73-1075
Block off your tach drive cleanly with this Joker Machine Brand Black Tach Drive Plug (Block Off). This plug is generally used when the...
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1977 Honda CB550K · Cables Buying guide

Match each cable’s length and end connections

The cable listings sit alongside a tachometer cable clamp and drive-blocking plugs. A plug is for a different job when a mechanical cable is removed; it does not substitute for a working replacement cable.

Parts to consider

Honda CB1000 / CB900 / CB750 / CB550 Tachometer Cable ~ Replaces 37260-149-000 Black 29-inch tachometer cableBlack tachometer cable listed at 29 inches for the 1977–78 CB550K. Measure your cable path and compare both ends; the listing asks buyers to confirm the length.View part Honda CB Speedometer Cable ~ Replaces 44830-425-870 Black 38.5-inch speedometer cableBlack speedometer cable listed at 38.5 inches end to end. Compare the existing drive and gauge ends as well as the path to your speedometer.View part Honda CB750 / CB550 / CB500 / CB400 Tachometer Cable Clamp ~ Replaces 50462-323-010 Chrome tachometer cable clampSeparate chrome tachometer cable clamp replacing reference 50462-323-010. Compare the installed clamp and its mounting location; it is not a replacement cable.View part

Related parts: Speedometer drive gear plug · Tach drive block-off with O-ring · Joker Machine black tach drive plug

Measure the path used by the current gauges

The tachometer cable description states 29 inches and asks buyers to measure for their bike. The speedometer cable gives 38.5 inches end to end. A moved instrument or different mounting arrangement can change the useful path, so compare both connections and length before selecting either cable.

Separate a removed-drive job from a cable repair

The tach-drive block-offs are described for arrangements where the mechanical tachometer cable is removed, including electronic-tach setups. The O-ring version lists approximate fit dimensions to compare with the existing drive opening. Choose a cable for a retained mechanical instrument, and check a plug’s application separately for a conversion.

Common buying questions

Are the two gauge cables the same length?

No. The tachometer listing states 29 inches; the speedometer listing states 38.5 inches end to end. Compare each with its own installed path and end connections rather than selecting a cable from the instrument name or year alone.

Does the cable clamp include a tachometer cable?

It is a separate chrome clamp listing with its own replacement reference. Choose the cable for a cable replacement and compare the clamp separately if that retaining part is missing or unsuitable for the installed arrangement.

Should I buy a block-off plug for a working mechanical tachometer?

The block-off listings describe use when the mechanical tachometer cable is removed. A retained mechanical gauge needs its cable arrangement assessed instead. If changing to an electronic instrument, compare the drive opening and the selected plug’s stated application before ordering.

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