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1981 Honda CB900C Custom Instrument Service Parts

Identify the instrument arrangement on your 1981 CB900C Custom before ordering cables or mounting pieces. This year’s speedometer cable is 42.5 inches long, while original-type gauge cushions and back plates have separate applications. A custom cockpit requires its own drive, bracket and wiring checks.

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Currently viewing Tach & Speedo

Honda motorcycle parts

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Honda CB900 CB750 speedo tach cap nut set 4

Honda CB900 / CB750 Speedo/Tach Cap Nut Set/4

$3.50 USD
49-0785
Mount your stock speedo and tach with this Speedo / Tach Cap Nut Set of 4. Used to mount the stock OEM-type speedometer and...
Honda CB900 CB750 CB650 CB550 speedo tach meter cushion 37235-323-700

Honda CB Speedo/Tachometer Meter Cushion ~ Replaces 37235-323-700

$22.26 USD
73-0096
Replace your speedo / tach meter cushion with this Speedo / Tachometer Meter Cushion, replacing OEM #37235-323-700.Note: 2 used per bike, one for the...
Honda CB all-black deluxe mini custom mph speedometer

Deluxe Mini Custom Speedometer MPH ~ All Black

$119.95 USD
03-0773
Complete your blacked-out cockpit with this All-Black Deluxe Mini Custom MPH Speedometer. A 2.25" unit with an all-black body and face, LED illumination, and...
Honda CB all-black mini custom tachometer with 4:1 drive

Mini Custom Tachometer ~ All Black 4:1 Drive

$69.95 USD
03-0775
Keep things minimal and blacked-out with this All-Black Mini Custom Tachometer. A 2.25" mechanical-drive unit with an all-black body and face plate, LED-type illumination,...
Honda CB mini custom mph speedometer with black face plate

Mini Custom Speedometer MPH ~ Black Face Plate

$69.95 USD
03-0729
Fit a clean mini speedometer without the full deluxe-indicator package using this Mini Custom MPH Speedometer. At 2.25" in a chrome body with a...
Honda CB700 CB750 CB900 CB1000 CB1100 deluxe mini custom tachometer with black face plate and 4:1 drive

Deluxe Mini Custom Tachometer ~ Black Face Plate 4:1 Drive

$64.95 USD
03-0767
Anchor a dark cockpit with this Deluxe Mini Custom Tachometer in chrome with a black face plate. A 2.25" mechanical-drive tach with LED illumination...
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...
New
Honda CB900 CB750 CB650 CB550 speedometer chrome cover plate 37236-426-000

Honda CB900 / CB750 / CB650 / CB550 Speedometer Chrome Cover Plate ~ Replaces Honda 37236-426-000

$33.95 USD
33-0029
This aftermarket speedometer chrome cover plate fits under the speedometer housing on the listed Honda CB models. It is also commonly searched as a...
Sold out
Honda CB micro custom mph speedometer with black face plate

Micro Custom Speedometer MPH ~ Black Face Plate

$69.95 USD
03-0765
Keep things minimal with this Micro Custom MPH Speedometer in chrome with a black face plate. A 1.9" compact unit with LED illumination and...
Honda CB deluxe mini custom kph speedometer with black face plate

Deluxe Mini Custom Speedometer KPH ~ Black Face Plate

$99.95 USD
03-0724
Upgrade your cockpit with this Deluxe Mini Custom KPH Speedometer in chrome with a black face plate. Sized at 2.25", this deluxe-spec unit includes...
New
Honda CB900 CB750 CB650 CB550 tachometer chrome cover plate 37246-426-000

Honda CB900 / CB750 / CB650 / CB550 Tachometer Chrome Cover Plate ~ Replaces Honda 37246-426-000

$33.95 USD
33-0030
This aftermarket tachometer chrome cover plate fits below the tachometer housing on the listed Honda CB models. It is also commonly searched as a...
New
Honda CB900 CB750 CB650 CB550 Honda tachometer chrome back cover plate 37246-426-000

Honda CB900 / CB750 / CB650 / CB550 Genuine Honda Tachometer Chrome Back Cover Plate ~ OEM 37246-426-000

$69.95 USD
99-5072
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Tachometer Chrome Back Cover Plate — precision‑engineered and quality made in Japan. This...
Honda CB deluxe mini custom mph speedometer with black face plate

Deluxe Mini Custom Speedometer MPH ~ Black Face Plate

$99.95 USD
03-0725
Finish your custom build with this Deluxe Mini Custom MPH Speedometer in chrome with a black face plate. At 2.25", this deluxe-spec unit packs...
Honda CB custom 4:1 vintage style tachometer front view

Custom 4:1 Vintage Style Tachometer

$79.95 USD
03-0770
Custom 4:1 Vintage Style Tachometer for custom or restoration work on classic Honda CB motorcycles. This is a universal/custom part, so confirm dimensions, it...
View details
New
Honda CB900 CB750 CB650 CB550 Honda speedometer chrome back cover plate 37236-426-000

Honda CB900 / CB750 / CB650 / CB550 Genuine Honda Speedometer Chrome Back Cover Plate ~ OEM 37236-426-000, 37236-393-008

$69.95 USD
99-5253
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Speedometer Chrome Back Cover Plate — precision‑engineered and made in Japan. This authentic...
Honda CB900C CB650SC speedometer cable 44830-461-770

1981-82 Honda CB900C / CB650SC Speedometer Cable ~ Replaces 44830-461-770

$34.95 USD
73-0200
Replace your CB900C or CB650SC speedometer cable with this Speedometer Cable, replacing OEM #44830-461-770. Length 42.5". Made in Japan.Key Features• Speedometer cable• 42.5" length•...
Honda CB all-black deluxe mini custom kph speedometer

Deluxe Mini Custom Speedometer KPH ~ All Black

$119.95 USD
03-0771
Go full stealth with this All-Black Deluxe Mini Custom KPH Speedometer. At 2.25", this deluxe-spec unit swaps the chrome body for an all-black finish,...
Honda CB700 CB750 CB900 CB1000 CB1100 micro custom tachometer with white face plate and 4:1 drive

Micro Custom Tachometer ~ White Face Plate 4:1 Drive

$69.95 USD
03-0753
Match your micro speedo with this Micro Custom Tachometer, a 1.9" chrome-body mechanical-drive tach with a white face plate. LED illumination, mounting plate included...
Sold out
Honda CB700 CB750 CB900 CB1000 CB1100 mini custom tachometer with black face plate and 4:1 drive

Mini Custom Tachometer ~ Black Face Plate 4:1 Drive

$54.95 USD
03-0733
Pair a clean mini tach with your stock-drive CB750 using this Mini Custom Tachometer in chrome. A 2.25" mechanical-drive unit with a black face...
Honda CB700 CB750 CB900 CB1000 CB1100 deluxe mini custom tachometer with white face plate and 4:1 drive

Deluxe Mini Custom Tachometer ~ White Face Plate 4:1 Drive

$89.95 USD
03-0745
Match a white-face speedo with this Deluxe Mini Custom Tachometer, chrome body with a white face plate for a clean, vintage-inspired cockpit look. At...
Honda CB deluxe mini custom mph speedometer with white face plate

Deluxe Mini Custom Speedometer MPH ~ White Face Plate

$119.95 USD
03-0744
Brighten up your cockpit with this Deluxe Mini Custom MPH Speedometer in chrome with a white face plate. The white face pops with classic...
Honda CB custom vintage style mph speedometer front view

Custom Vintage Style Speedometer MPH

$99.95 USD
03-0760
Custom Vintage Style Speedo (MPH) - Mechanical speedometer ratio: 2240:60. Before ordering, confirm the drive ratio, cable or electrical connection, gauge diameter, and mounting...
View details
Honda CB700 CB750 CB900 CB1000 CB1100 micro custom tachometer with black face plate and 4:1 drive

Micro Custom Tachometer ~ Black Face Plate 4:1 Drive

$54.95 USD
03-0764
Go compact and dark with this Micro Custom Tachometer in chrome with a black face plate. At 1.9", it's the smallest tach in our...
Honda CB micro custom mph speedometer with white face plate

Micro Custom Speedometer MPH ~ White Face Plate

$79.95 USD
03-0751
Fit a truly compact instrument into the tightest cockpit with this Micro Custom MPH Speedometer. A 1.9" chrome-body unit with a white face plate,...
Honda CB mini custom kph speedometer with black face plate

Mini Custom Speedometer KPH ~ Black Face Plate

$69.95 USD
03-0730
Add a clean, compact KPH speedometer to your build with this Mini Custom KPH Speedometer. A 2.25" chrome body with a black face plate,...
Honda CB micro custom kph speedometer with black face plate

Micro Custom Speedometer KPH ~ Black Face Plate

$79.95 USD
03-0779
Fit a compact blacked-out speedometer with this Micro Custom KPH Speedometer in chrome with a black face plate. At 1.9", it's the smallest speedometer...
Honda CB deluxe mini custom kph speedometer with white face plate

Deluxe Mini Custom Speedometer KPH ~ White Face Plate

$119.95 USD
03-0746
Bring vintage-style visibility to your metric cockpit with this Deluxe Mini Custom KPH Speedometer in chrome with a white face plate. At 2.25", it...
Honda CB custom vintage style kph speedometer front view

Custom Vintage Style Speedometer KPH

$99.95 USD
03-0761
Custom Vintage Style Speedo (KPH) - Mechanical speedometer 60 km/h = 1400 rpm Before ordering, confirm the drive ratio, cable or electrical connection, gauge...
View details
Honda CB micro custom kph speedometer with white face plate

Micro Custom Speedometer KPH ~ White Face Plate

$59.95 USD
03-0750
Go compact with this Micro Custom KPH Speedometer, a 1.9" chrome-body unit with a white face plate. The smallest gauge option in the custom...
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1981 Honda CB900C Custom · Instrument Service Parts Buying guide

Use the later Custom cable and actual gauge arrangement

The selected cable has an explicit 1981–82 Custom application. Meter cushions and lower cover plates support original-housing repairs; they should not be transferred to custom instruments without checking their dimensions and attachments.

Parts to consider

1981-82 Honda CB900C / CB650SC Speedometer Cable ~ Replaces 44830-461-770 42.5-inch speedometer cableJapanese-made cable for the 1981–82 Custom, reference 44830-461-770.View part Honda CB Speedo/Tachometer Meter Cushion ~ Replaces 37235-323-700 Meter cushionCushion for the speedometer or tachometer; two are specified per motorcycle.View part Honda CB900 / CB750 / CB650 / CB550 Speedometer Chrome Cover Plate ~ Replaces Honda 37236-426-000 Aftermarket speedometer plateIndividual chrome lower cover plate, replacing reference 37236-426-000.View part

Related parts: Gauge cap-nut four-pack · Aftermarket tachometer lower plate

Separate road-speed and engine-speed drive faults

The original 1981 CB900C uses a cable-driven speedometer at the front wheel and a separate mechanical tachometer cable at the cylinder head. Identify whether the fault concerns road speed, engine speed or the instrument mounting before ordering. The featured speedometer cable does not serve the tachometer.

Inspect supports and trim before ordering

Two meter cushions are specified per motorcycle, and the linked cap nuts come in a four-piece set. The lower cover plates serve separate speedometer and tachometer housings. Inspect mounting points and the gauge condition instead of assuming new trim will resolve an internal instrument fault.

Buying questions

Will a new speedometer cable fix a dead tachometer?

No. Road speed comes from the front-wheel drive, while the tachometer has a separate mechanical cable at the engine. Diagnose the affected drive, cable and instrument before buying; this featured cable is for the speedometer.

Will new meter cushions cure a jumping speedometer needle?

They renew the meter’s mounting support. A jumping indication can involve the cable, drive or instrument, so inspect that path separately rather than treating a cushion or chrome back cover as an internal gauge repair.

Does a matching custom gauge face make a complete cockpit conversion?

Plan the gauge input, cable connection, mounting bracket and warning or indicator functions separately. A custom speedometer’s calibration and four indicator lamps do not establish compatibility with every original CB900C instrument connection.

Not sure which part you need?

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

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