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1981 Honda CB900C Custom Instrument Mounting Hardware

Inspect the mounting points beneath your 1981 CB900C Custom’s instruments before replacing visible chrome trim. Meter cushions and cap nuts secure the original-style arrangement, while speedometer and tachometer back plates have different applications. Changed gauges need their own support and cover specifications.

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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...
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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...
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...
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1981 Honda CB900C Custom · Instrument Mounting Hardware Buying guide

Check gauge supports before selecting replacement trim

The cushion requirement is two per motorcycle and the cap nuts are supplied as four. Genuine Honda back plates are separately identified for the speedometer and tachometer housings.

Parts to consider

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 Speedo/Tach Cap Nut Set/4 Gauge cap-nut four-packFour cap nuts for stock-type speedometer and tachometer mounting.View part Honda CB900 / CB750 / CB650 / CB550 Genuine Honda Tachometer Chrome Back Cover Plate ~ OEM 37246-426-000 Honda tachometer back plateGenuine Honda chrome tachometer back cover; reference 37246-426-000.View part

Related parts: Honda speedometer back plate

Inspect the rubber and fastening points

The 37235-323-700 meter cushion is sold individually, with one specified for each original meter. The cap-nut pack contains four pieces for the stock speedometer and tachometer mounting. Inspect the mounting studs and supports as well as the rubber; neither item repairs the cable drive or gauge internals.

Keep the two back plates distinct

The tachometer plate references 37246-426-000. The linked genuine speedometer plate has a different reference list and housing application. Compare the removed pieces, especially after earlier gauge changes, rather than selecting chrome plates solely by their similar finish.

Buying questions

Will new cushions repair a gauge that reads incorrectly?

The cushions support the meter in its mount. They do not repair its cable, drive or internal mechanism. Identify a mounting problem separately from a speed or engine-speed reading fault before ordering rubber or decorative covers.

Are the chrome speedometer and tachometer backs interchangeable?

They are separate applications. Speedometer covers reference 37236-426-000, while tachometer covers reference 37246-426-000. Compare the instrument and attachment shape, and choose genuine Honda or aftermarket manufacture from the specific listing rather than from appearance alone.

What changes if custom instruments are fitted?

Their mounting plates, brackets and dimensions need to be checked directly. The original-type cushion and cap-nut application does not establish fit on an unspecified custom gauge.

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