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1975 Honda CB550K Gauge Glass, Seals, Rings & Cushions

Gauge restoration choices for the 1975 Honda CB550K include Nippon Seiki crimp rings, curved replacement glass, black metal or chrome covers, meter cushions and a trip knob grommet. Check the fitted gauge maker, dimensions and reset-knob position before selecting housing parts.

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Honda CB750 CB550 CB500 speedometer tachometer internal rubber seal

Honda CB750 / CB550 / CB500 Speedometer / Tachometer Internal Rubber Seal

$11.95 USD
49-0255
Replace your gauge internal seal with this Speedometer / Tachometer Internal Rubber Seal. Replaces the ripped, dried, or missing rubber internal seal.Key Features• Speedo...
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Honda CB chrome speedometer and tachometer cover set

Honda CB Chrome Speedometer & Tachometer Cover Set

$44.95 USD
02-2480
Dress up your gauge cluster with this Chrome Speedometer & Tachometer Cover Set. These chrome-plated covers fit over your stock speedo and tach to...
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 CB750 CB550 CB500 speedometer and tachometer replacement glass lens set 2

Honda CB750 / CB550 / CB500 Speedometer & Tachometer Replacement Glass Lens Set/2

$44.95 USD
49-0250
Replace scratched or broken gauge glass with this Speedometer & Tachometer 92mm Glass Lens Set of 2. If the glass lens of your gauges...
Honda CB750 CB550 CB500 CB400 CB350 trip meter knob rubber grommet

Honda CB Trip Meter Knob Rubber Grommet

$17.50 USD
49-0256
Replace your trip meter knob grommet with this Day Trip Meter Knob Rubber Grommet. These grommets often dry out and rip; get a new...
Honda CB750F CB750K CB550K two metal speedo tach gauge covers with crimp rings

1971-78 Honda CB750F / CB750K / CB550K Two Metal Speedo / Tach Gauge Covers With Crimp Rings

$199.95 USD
49-0252
Recondition your gauges with this Two Metal Speedo / Tach Gauge Covers with Crimp Rings set. Metal gauge covers are often dented, scratched, and...
Honda CB550F CB550K CB500K speedometer and tachometer crimp ring set 2

1971-78 Honda CB550F / CB550K / CB500K Speedometer & Tachometer Crimp Ring Set/2

$64.95 USD
49-0247
Restore your gauge faces with this Speedometer & Tachometer Crimp Ring Set of 2 for NIPPON SEIKI gauges. When changing the speedometer or tachometer...
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1975 Honda CB550K · Gauge Hardware Buying guide

Rebuilding original clocks

Identify the fitted gauge before ordering restoration pieces. Crimp rings, glass, covers and cushions have different functions, so compare the manufacturer marking and measured dimensions rather than assuming all housing parts suit every replacement instrument.

Parts to consider

1971-78 Honda CB550F / CB550K / CB500K Speedometer & Tachometer Crimp Ring Set/2 Nippon Seiki crimp ring pairTwo rings, 103.4mm inside and 108.2mm outside, for opened speedo and tach housings.View part Honda CB750 / CB550 / CB500 Speedometer & Tachometer Replacement Glass Lens Set/2 Curved 92mm gauge glass pairTwo glass lenses with the slight curve of the originals, fitment including the CB550K.View part Honda CB Speedo/Tachometer Meter Cushion ~ Replaces 37235-323-700 Speedometer and tachometer cushionMeter cushion replacing Honda 37235-323-700; the listing gives two per bike and names 1974–78 CB550K models.View part

Related parts: Black metal gauge covers with rings · Chrome gauge cover set · Trip meter knob grommet

Black metal covers for 1975

The UK-made metal covers come painted semi-gloss black with crimp rings, and their fitment names the 1975 CB550K. They lack the side hole for a trip reset knob, so that hole has to be drilled where the speedometer uses one.

Cushions are sold singly

The meter cushion listing gives two per bike, one for the speedometer and one for the tachometer, under Honda reference 37235-323-700. Compare the fitted cushions with the photograph and order the quantity required for the instruments you are retaining.

Gauge hardware FAQs

Do the crimp rings fit Nippon Seiki gauges on the 1975 CB550K?

The ring pair is expressly listed for Nippon Seiki gauges and the 1974–78 CB550K. Check the maker marking and the listed 103.4 mm inside and 108.2 mm outside diameters against your fitted gauge before ordering.

Is the glass flat or curved?

Slightly curved, like the original glass lenses fitted at the factory. The set contains two 92mm lenses, and its fitment covers CB550K bikes built from 1974 to 1978.

Are chrome gauge covers available?

Yes. A chrome speedometer and tachometer cover set fits over stock gauges, one with a cutout for the trip reset, with fitment including the CB550K from 1974 to 1978.

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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