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1982 Honda CB450SC Nighthawk Electrical Component Selection

An electrical order for your 1982 CB450SC Nighthawk starts with identifying the fitted component. Charging units have different battery requirements, the clutch switch serves the starter safety circuit, and the terminal boot protects the starter connection. Match the repair to those details before combining parts in one order.

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Honda motorcycle parts

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Honda CB750 CB550 CB500 CB450 CB400 rear brake light switch

Honda CB Rear Brake Light Switch

$10.33 USD
12-0008
Replace your rear brake light switch with this Rear Brake Light Stop Switch. Exceptionally broad fitment across the SOHC CB750 lineup and virtually the...
Honda CB1100 CB1000 starter motor terminal rubber boot 32411-230-000

Honda CB Starter Motor Terminal Rubber Boot ~ Replaces 32411-230-000

$4.61 USD
73-0092
Replace your starter motor terminal cover with this Starter Motor Terminal (Cover) Rubber Boot, replacing OEM #32411-230-000.Key Features• Starter motor terminal rubber boot• Replaces...
Honda CB1100 CB1000 CB900 CB750 CB650 spark plug cap XD05F

Honda CB Spark Plug Cap ~ XD05F

$10.49 USD
23-3119
Replace your spark plug caps with this Spark Plug Cap, XD05F type. Two required per CB750. Key Features• Spark plug cap, XD05F• 2 required...
Honda CB1100 CB1000 CB900 CB750 starter clutch diode 31700-124-003

Honda CB Starter Clutch Diode ~ Replaces 31700-124-003

$12.88 USD
24-2044
Replace your starter clutch diode with this Stator Clutch Diode/Rectifier, replacing OEM #31700-124-003 / #31700-166-008. Exceptionally broad fitment across the SOHC and DOHC CB750...
Honda CB900 CB750 CB650 CB550 tail light cover screws 93500-04055-4J

Honda CB Tail Light Cover Screws ~ Replaces 93500-04055-4J

$4.69 USD
49-0145
Replace your tail light lens screws with this Tail Light Lens Screws Pack of 10, replacing OEM #93500-04055-4J.Key Features• Tail light lens screws• 10...
Honda CB1100 CB1000 clutch lever brake light switch 35330-413-003

Honda CB Clutch Lever Brake Light Switch ~ Replaces 35330-413-003

$15.95 USD
29-7029
Replace your front clutch lever safety stop switch with this Clutch Lever Stop Switch, replacing OEM #35330-413-003. This is the switch that allows the...
New
Honda CB starter motor seal 60 x 1.4 31206-286-158

Honda CB Starter Motor Seal 60 x 1.4 ~ Replaces 31206-286-158

$5.95 USD
03-0784
Seal up your starter motor with this Starter Motor Seal, size 60 x 1.4, replacing OEM #31206-286-158 / #31206-402-008. Exceptionally broad fitment across the...
New
Honda CB starter motor seal 24.4 x 3.1 91312-MG7-003

Honda CB Starter Motor Seal 24.4 x 3.1 ~ Replaces 91312-MG7-003

$4.50 USD
03-0780
Seal up your starter motor with this Starter Motor Seal, size 24.4 x 3.1, replacing OEM #91312-MG7-003 / #91309-300-000 / #91309-425-003. Exceptionally wide fitment...
New
Honda CB750 CB650 CB550 CB500 battery box rubber 83618-323-000

Honda CB Battery Box Rubber ~ Replaces 83618-323-000

$4.95 USD
99-4986
Upgrade or restore your vintage Honda motorcycle with this Battery Box Rubber — designed to replace OEM #83618‑323‑000 and cushion your battery from vibration...
Honda CB750 CB500 CB450 CB400 turn signal lamp gasket 33443-268-671

Honda CB Turn Signal Lamp Gasket ~ Replaces 33443-268-671

$4.61 USD
11-2085
Service your early CB750 or classic twin turn signal with this Turn Signal Lamp Gasket, replacing OEM #33443-268-671. Pairs with our signal lens #11-2110...
Honda CB750 CB550 CB450 CB400 rear turn signal rubbers pk 2 33606-371-000

Honda CB750 / CB550 / CB450 / CB400 Rear Turn Signal Rubbers Pk/2 ~ Replaces 33606-371-000

$15.95 USD
73-0834
Replace your rear turn signal rubbers with this Rear Turn Signal Rubbers Pk/2, replacing OEM #33606-371-000. These are the rubbers that go under the...
Honda CB450 CB400 CB360 tommaselli type headlight bracket set 32-34mm

Honda CB Tommaselli Type Headlight Bracket Set ~ 32-34mm

$39.95 USD
09-0015
Fit the Tommaselli look to your smaller-bore Honda with these 32-34mm Tommaselli-Type Headlight Brackets, supplied with rubber mount inserts. Sized for 33mm fork tubes...
Honda CB450 CB400 rectifier regulator 31600-KV8-681

1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Replaces 31600-KV8-681

$179.95 USD
24-2088
Replace your CB400 or CB450 rectifier/regulator with this Rectifier/Regulator, 6 wires, 3 yellow in one connector block and 3 wires in a 4-space block....
New
Honda CB450 CB400 rectifier regulator lithium ion battery compatible 31600-KV8-681

1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Lithium Ion Battery Compatible

$189.95 USD
24-2034
Upgrade your CB400 or CB450 to a lithium-ion compatible regulator with this Rick's Electric Rectifier/Regulator, replacing OEM #31600-KV8-681 / #31600-413-008. Designed with a lower...
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1982 Honda CB450SC Nighthawk · Electrical Buying guide

Build the order around the electrical component being serviced

A shared model application does not make every electrical replacement interchangeable. Connector layout distinguishes the charging units, while the starter circuit has its own switch, diode and terminal protection. Keep those decisions separate from the condition of plug caps and signal mounts.

Parts to consider

1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Replaces 31600-KV8-681 Six-wire charging replacementPart 24-2088 has three yellow wires in one connector block and three wires in a four-space block. Its Honda references include 31600-MC9-740.View part Honda CB Starter Motor Terminal Rubber Boot ~ Replaces 32411-230-000 Starter terminal coverOne rubber boot cross-references 32411-230-000 and protects the high-current starter connection. The cable and terminal nut are separate.View part Honda CB Clutch Lever Brake Light Switch ~ Replaces 35330-413-003 Clutch-lever starter safety switchReference 35330-413-003 identifies the clutch safety switch. The description and FAQs establish starter-interlock operation despite brake-light wording in the product title.View part

Related parts: Individual XD05F plug cap · Rear signal mounting rubbers · Starter safety-circuit diode

Compare assemblies before adding service parts

A plug-cap replacement and starter-terminal repair call for different supporting parts. The XD05F cap excludes the high-tension wire; the terminal boot excludes the cable and nut. The rear signal rubbers come as a two-piece pack that services one rear signal, so count the mounts needing attention.

Read the function as well as the product name

The clutch-lever switch and starter diode both concern the starter safety circuit, but they are separate components. The diode is not the main charging rectifier. Use the switch reference and the diode references to identify the needed part, and preserve the motorcycle’s safety circuit when planning the work.

Electrical Parts FAQs

Which details identify the six-wire charging unit?

Compare both connectors: part 24-2088 uses three yellow wires in one block and three wires in a four-space block. Also match the Honda reference; the listed replacements include 31600-KV8-681, 31600-413-008 and 31600-MC9-740.

Which switch should I choose for the clutch-lever starting interlock?

Choose by reference 35330-413-003 and the clutch-lever position. Its description and FAQs identify starter safety operation, despite brake-light wording in the title. The rear brake-light switch is a separate component for the rear-brake control.

How many rear signal rubber packs belong in a two-sided repair?

Each rear signal uses two 33606-371-000 rubbers, and one pack contains two. Order two packs when renewing both rear signal mounts. Inspect the stays, brackets and retained mounting hardware before deciding whether rubber replacement addresses the whole repair.

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