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1981 Honda CB750F Gauge Mounting Nuts & Internal Rubber

Use the damaged part’s location on your 1981 Honda CB750F to choose between mounting cap nuts and internal sealing rubber. These purchases address different instrument pieces. Check stock-type mounting and the ND gauge restriction before treating either as a general rebuild part.

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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 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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1981 Honda CB750F · Mounts, Rubbers & Hardware Buying guide

Match the gauge identity and the part’s location

The stock-type cap nuts and internal sealing rubber address different repairs. Keep the fitted instrument and damaged component identified before selecting a replacement, particularly if the gauge cluster has been changed.

Parts to consider

Honda CB900 / CB750 Speedo/Tach Cap Nut Set/4 Stock instrument mounting cap nuts49-0785 supplies four cap nuts replacing Honda 94021-06020 for the compatible stock-type gauge pair.View part Honda CB750 / CB550 / CB500 Speedometer / Tachometer Internal Rubber Seal Internal gauge repair seal49-0255 replaces a ripped, dried or missing internal rubber seal in its specified gauge application.View part

Compare the mounting studs on a changed gauge cluster

The cap nuts are offered for stock OEM-type speedometer and tachometer mounting. Keep reference 94021-06020 matched to the fitted studs and bracket rather than assuming the same hardware suits a custom instrument.

Choose the quantity for the instrument being repaired

The internal-seal listing supplies one seal for one compatible gauge. If both instruments are being resealed, account for each gauge separately when assembling the repair order.

Common questions

Which gauge identity matters when choosing the internal rubber?

49-0255 is specifically listed for stock-type Honda CB750 Nippon Denso, or ND, gauges. Confirm the manufacturer and construction of the instruments fitted to the motorcycle; the CB750F model year alone does not establish that a replacement gauge uses this seal.

Is 49-0255 also the seal around a 92 mm glass lens?

No. The internal-seal listing identifies 49-0248 as the separate glass-lens rubber. 49-0248 is specified for 92 mm lenses on the listed stock-type gauges and seals directly around the glass. Select by the seal’s location as well as the gauge application.

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