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1977 Honda CB550F Electrical Parts

Plan an electrical repair for your 1977 Honda CB550F by identifying the circuit and the equipment it connects. Original-style wiring, replacement coils and charging conversions have different ordering checks. Use the fitted plugs, ignition and battery as the reference, especially on a modified motorcycle.

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Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
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Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

Honda CB900 CB750 CB650 CB550 switch base cover

Honda CB900/CB750/CB650/CB550 Switch Base Cover

$4.95 USD
12-0065
Replace just the base cover on your Honda ignition switch with this Switch Base Cover. Designed for our #12-0051 ignition switch (sold separately) with...
Honda CB750 CB650 CB550 CB500 CB450 gb cafe headlight bracket set.

Honda CB GB Cafe Headlight Bracket Set.

$44.52 USD
09-0016
Go for the distinct GB Café aesthetic with this GB Café Headlight Bracket Set in polished aluminum. Sized for 35mm fork tubes with 11mm...
Honda CB1000 CB900 headlight adjusting screw and spring set 33103-346-670

Honda CB Headlight Adjusting Screw & Spring Set ~ Replaces 33103-346-670

$7.50 USD
29-7011
Replace your headlight adjuster with this Headlight Adjusting Screw & Spring Set. Each set includes one screw and one spring. Replaces OEM #33103-346-670 (screw)...
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Honda CB550F CB550K CB500K alternator cover gasket 11691-323-306

1971-78 Honda CB550F / CB550K / CB500K Alternator Cover Gasket ~ Replaces 11691-323-306

$9.86 USD
18-6999
Replace your CB500K or CB550 alternator cover gasket with this Alternator Cover Gasket, replacing OEM #11691-323-306.Key Features• Alternator cover gasket• Replaces OEM #11691-323-306• Honda...
Dynatek 3 ohm ignition coil set 2 Honda CB

Dynatek Performance 3 Ohm Ignition Coil Set/2

$289.00 USD
07-9980
Match your Dyna-style electronic ignition requirement with this Dynatek Performance Dual-Output 3 Ohm Ignition Coil Set of 2. Same Dynatek quality as the 5...
Honda CB550F CB550K sub wire harness 32105-390-000

1975-78 Honda CB550F / CB550K Sub Wire Harness ~ Replaces 32105-390-000

$29.95 USD
73-0123
Replace your CB550 sub wire harness with this Sub Wire Harness (Junction Panel Harness), the sub harness on the bike that many electrical components...
Honda CB550F CB550K CB500K negative (-) battery cable 32601-323-000

1971-78 Honda CB550F / CB550K / CB500K Negative (-) Battery Cable ~ Replaces 32601-323-000

$21.95 USD
73-0106
Replace your CB500 or CB550 negative battery cable with this Negative (-) Battery Cable (ground cable), replacing OEM #32601-323-000.Key Features• Negative (-) battery cable...
Honda CB750 CB650 CB550 CB500 CB450 gb cafe headlight bracket set 34mm

Honda CB GB Cafe Headlight Bracket Set ~ 34mm

$44.52 USD
09-0017
Polished aluminum headlight bracket set designed for a clean café-style front end. Built to mount securely to 34mm fork tubes, providing a stable and...
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Honda CB750 CB650 CB550 tommaselli type headlight bracket set 35mm

Honda CB Tommaselli Type Headlight Bracket Set ~ 35mm

$39.95 USD
09-0012
Go for a classic European look with these Tommaselli-Type Headlight Brackets, sized for 35mm fork tubes and supplied with rubber mount inserts. A sharp...
Honda CB750 CB550 CB450 CB350 CB360 tail light bracket 84701-341-670

Honda CB Tail Light Bracket ~ Replaces 84701-341-670

$124.95 USD
02-1233
Restore a proper tail end on your classic Honda with this Chrome Tail Light Bracket, replacing OEM #84701-341-670 / #84701-371-980. Fits a wide range...
Honda CB550 CB500 CB400F CB350F ignition coil set with plug caps

Ignition Coil Set with Plug Caps ~ Aftermarket Honda CB550 CB500 CB400F CB350F

$159.95 USD
24-2084
This aftermarket ignition coil set is built for the listed vintage Honda CB four-cylinder models. It replaces tired, cracked, weak, or failing original-style ignition...
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Honda CB750 CB650 CB550 SL350K2 Honda headlight stay rubber cushion 61315-340-000

Honda CB750 / CB650 / CB550 / SL350K2 Genuine Honda 61315-340-000 Headlight Stay Rubber Cushion

$15.95 USD
99-5368
This genuine Honda headlight stay rubber cushion fits the upper headlight and fork ear mounting area on select classic Honda CB and SL models....
Honda CB550F wire harness 32100-390-010

1975-77 Honda CB550F Wire Harness ~ Replaces 32100-390-010

$99.95 USD
24-4015
Replace your CB550F Supersport wire harness with this Main Wire Harness Loom, replacing OEM #32100-390-010 / #32100-390-000.Key Features• Main wire harness loom• Replaces OEM...
Universal motorcycle spark plug cap VB05F

Universal Motorcycle Spark Plug Cap ~ VB05F

$9.50 USD
23-3124
Universal Motorcycle Spark Plug Cap ~ VB05F is an aftermarket part for the Honda CB applications listed in this product information. Before ordering, confirm...
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Honda CB500K CB550 CB750 SOHC electronic ignition kit with trigger plate, wiring harness and aluminum rotor

Electronic Ignition Kit ~ Honda CB500K / CB550 / CB750 SOHC

$229.00 USD
08-0319
Replace mechanical points and condensers with this aftermarket electronic ignition for the listed Honda SOHC four-cylinder models. Keep the original mechanical spark advancer and...
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1977 Honda CB550F · Electrical Buying guide

Choose parts by circuit, connection and fitted equipment

The electrical range covers wiring repairs, ignition service and charging components, with separate categories for lighting and controls. Narrow the order to the affected section, then check what each replacement includes.

Parts to consider

1975-77 Honda CB550F Wire Harness ~ Replaces 32100-390-010 CB550F main wiring loomMain loom for the 1975–77 CB550F; replaces references 32100-390-010 and 32100-390-000.View part Ignition Coil Set with Plug Caps ~ Aftermarket Honda CB550 CB500 CB400F CB350F Replacement coil set with capsTwo aftermarket coils, two straight caps, two angled caps, and mounting bolts and nuts for the stock-style ignition layout.View part Honda CB Rectifier/Regulator Combined rectifier/regulatorReplaces the separate regulator and rectifier; stock-type plugs and instructions included. Custom mounting may be needed.View part

Related parts: Fuse box with cover and five fuses · Junction-panel sub harness · Genuine headlight-stay cushion

Separate a loom repair from an ignition purchase

The main loom and junction-panel sub harness address different wiring sections. The coil set instead supplies two coils, two straight caps, two angled caps and mounting bolts and nuts. Trace the damaged section and compare the installed ignition before combining these parts into an order.

Check mechanical fit during electrical work

A combined regulator replaces separate charging units but may need a custom mount; battery compatibility remains a separate check. The linked genuine headlight-stay cushion belongs at the upper stay and fork-ear mounting area. It is a mounting rubber, so compare its shape rather than treating it as a lamp or wiring replacement.

Buying questions

Will a new main loom include the separate junction-panel sub harness?

The main loom and junction-panel sub harness are separate products. Compare the damaged wiring with the CB550F diagram and inspect both sections before ordering. Renew the section that needs replacement rather than assuming one loom purchase includes every subsidiary lead.

What else should I check before ordering the coil set with caps?

Confirm the installed ignition, coil connections, mounting and lead routing. The set includes two coils and four caps plus mounting bolts and nuts; spark plugs are separate. An electronic conversion may specify coil requirements beyond the stock-style application.

Can the genuine headlight-stay rubber be used with custom brackets?

The cushion is listed for the 1977 CB550F upper headlight-stay and fork-ear arrangement. A changed fork cover or headlight bracket may use a different rubber. Compare the fitted mount with reference 61315-340-000 and its shape before ordering.

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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Parts categories for 1977 Honda CB550F Supersport

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