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1981 Honda CB750F Engine Covers & Sealing Parts

The useful cover choices here center on the 1981 CB750F spark-advancer cover, its separate rubber O-ring gasket and a three-screw set. A starter-motor cover gasket is another distinct sealing repair. Compare the fitted cover and removed hardware before choosing cosmetic or sealing parts.

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Honda CB1100 CB1000 CB900 CB750 spark advancer cover gasket 30372-425-000

Honda CB1100 / CB1000 / CB900 / CB750 Spark Advancer Cover Gasket ~ Replaces 30372-425-000

$7.95 USD
18-7059
Replace your DOHC CB's spark advancer cover gasket with this Spark Advancer Cover Gasket (rubber O-ring), replacing OEM #30372-425-000.Key Features• Spark advancer cover gasket...
Honda CB1000 CB900 CB750 spark advancer cover screw set 93700-06025-0A

Honda CB1000 / CB900 / CB750 Spark Advancer Cover Screw Set ~ Replaces 93700-06025-0A

$3.50 USD
73-0900
Replace your spark advancer cover screws with this Spark Advancer Cover Screw Set of 3 in 6x25 size, replacing OEM #93700-06025-0A.Note: the 1980 bikes...
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Honda CB valve tappet cover rocker cap 12361-300-000

Honda CB Valve Tappet Cover / Rocker Cap ~ Replaces 12361-300-000

$6.95 USD
01-9980
Dress up your Honda's top end with this Valve Tappet Cover (Rocker Cap), an aftermarket finned chrome-plated replacement for OEM #12361-300-000. Fits an exceptionally...
Honda CB1100 CB1000 CB900 CB750 starter motor cover gasket 31282-425-300

Honda CB1100 / CB1000 / CB900 / CB750 Starter Motor Cover Gasket ~ Replaces Honda OEM 31282-425-300

$11.69 USD
18-7070
Starter Motor Cover Gasket ~ Replaces Honda OEM 31282-425-300 for the Honda CB models listed below. Use this part for repair, restoration, or replacement...
Honda CB1000 CB900 CB750 chrome spark advancer cover 30371-425-010

Honda CB1000 / CB900 / CB750 Chrome Spark Advancer Cover ~ Replaces 30371-425-010

$64.95 USD
73-0050
Replace a worn spark advancer cover with this Chrome Spark Advancer Cover, replacing OEM #30371-425-010. These covers are often dented, rusted, or worn; a...
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1981 Honda CB750F · Engine Covers & Accessories Engine-cover buying guide

Order the cover, sealing piece and hardware to match the repair

A replacement spark-advancer cover, its O-ring and its screws are available separately for the listed 1981 CB750F. Check which pieces need renewal before assembling the order, and compare any gasket-set purchase to avoid buying the same sealing part twice.

Parts to consider

Honda CB1000 / CB900 / CB750 Chrome Spark Advancer Cover ~ Replaces 30371-425-010 Chrome spark-advancer coverCover 73-0050 replaces reference 30371-425-010 and lists the 1979–82 CB750F. One cover is supplied; its sealing gasket is not included.View part Honda CB1100 / CB1000 / CB900 / CB750 Spark Advancer Cover Gasket ~ Replaces 30372-425-000 Spark-advancer O-ring gasketAn individually sold rubber O-ring for the spark-advancer cover, cross-referenced to Honda 30372-425-000.View part Honda CB1000 / CB900 / CB750 Spark Advancer Cover Screw Set ~ Replaces 93700-06025-0A Spark-advancer cover screw setSet 73-0900 supplies three 6 × 25 mm screws, referenced to 93700-06025-0A, and lists the 1981–82 CB750F.View part

Related parts: Starter-motor cover gasket

Choose the scope of the cover repair

Replacing the chrome cover is a different purchase from renewing its O-ring or screws. Inspect what will be retained, then order the required cover and sealing or hardware parts; a cosmetic replacement does not automatically require every separately offered component.

Keep the screw set's contents clear

The three-piece screw set contains cover screws only, with no gasket or internal ignition parts. Its supplied quantity is stated as enough for one compatible spark-advancer cover. Use the listed size and reference when comparing the fitted hardware.

Common questions

Is the spark-advancer O-ring already in the Athena top-end gasket set?

Yes. Athena top-end set 18-0432 lists 18-7059 as an ignition-points-cover gasket, with reference 30372-425-000. The separately offered spark-advancer O-ring carries that same part number and reference. Check a kit already being purchased before adding another for the same cover.

Which starter-cover gasket is listed for this DOHC CB750F?

The selected 18-7070 gasket replaces 31282-425-300 and lists the CB750F for 1979–82. The similarly named 18-7011 uses reference 31282-300-020 and is listed for the earlier 1969–78 SOHC CB750. Choose by the actual cover and reference rather than the shared starter-cover name.

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