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1972 Honda CL450K5 Electrical Parts

Electrical repairs on a 1972 Honda CL450K5 need the installed system identified before replacements are selected. Coil wiring, charging-unit battery restrictions and external switch wiring are different checks; separate the diagnosed fault from any upgrade a previous owner has already made.

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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 CB750 CB550 CB500 CB450 CB400 reflector 33741-340-670

Honda CB Stock Type Reflector ~ Replaces 33741-340-670

$21.46 USD
11-2303
Restore your mid-'70s Honda's stock reflectors with this Stock-Type Screw-On Reflector with a 6mm thread, replacing OEM #33741-340-670. Broad fitment covering the 1972-78 CB750...
New
Honda CB750 CB650 CB550 CB500 tail light cover gasket 33709-341-671

Honda CB Tail Light Cover Gasket ~ Replaces 33709-341-671

$5.80 USD
11-2163
Replace the gasket on your 1972-onward Honda's tail light lens with this Tail Light Lens Gasket, replacing OEM #33709-341-671. Matches the fitment of our...
Honda CB750 CB500 bar switch assembly left (clutch) side 35250-300-033

Honda CB Bar Switch Assembly ~ Left (Clutch) Side ~ Replaces 35250-300-033

$79.95 USD
12-0306
Fit left-side handlebar controls on your early SOHC CB with this Bar Switch Assembly for the Clutch Side in black, replacing OEM #35250-300-033. Wiring...
Honda CB750 CB550 front reflector rubber base 33743-341-670

Honda CB Stock Type Front Reflector Rubber Base ~ Replaces 33743-341-670

$8.95 USD
11-2304
Fit the rubber base beneath your stock front reflector with this Stock-Type Front Reflector Rubber Base, replacing OEM #33743-341-670.Key Features• Stock-type front reflector rubber...
New
Honda CB750 CB650 CB550 CB450 headlight setting collar 61304-292-000

Honda CB Headlight Setting Collar ~ Replaces 61304-292-000

$4.50 USD
07-4645
Restore headlight mounting with this Headlight Setting Collar, replacing OEM #61304-292-000. Exceptionally broad fitment across the classic Honda lineup, from the SOHC and DOHC...
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 CB750 CB550 CB500 CB450 starter solenoid relay 35850-375-000

Honda CB Starter Solenoid Relay ~ Replaces 35850-375-000

$38.95 USD
24-2003
Replace your late-'70s CB starter solenoid with this Starter Solenoid Relay, replacing OEM #35850-375-000 / #35850-286-027. Broad fitment across the late SOHC CB750, CB500T/CB550...
Honda CB1100 CB1000 CB900 CB750 starter motor brush set 31201-292-158

Honda CB Starter Motor Brush Set ~ Replaces 31201-292-158

$29.95 USD
24-2021
Replace your Mitsuba 2-brush starter motor brushes with this Replacement Starter Brush Set of 2, 12mm x 14mm x 6mm, 1 piece with insulated...
Honda CB500 CB450 CB350 CL350K0 CL350K1 ignition coil 30500-292-672

Honda CB Ignition Coil ~ Replaces 30500-292-672

$37.95 USD
17-6923
Replace your CB450/CL450, CB500T, or CB350/CL350/SL350 ignition coil with this Ignition Coil, replacing OEM #30500-292-672 / #30500-312-000 / #30500-286-004 / #30500-286-007 / #30500-310-670. 12V...
Honda CB500 CB450 CB360 CB350 CL350K0 condenser 30250-369-004

Honda CB Condenser ~ Replaces 30250-369-004

$21.95 USD
26-5106
Replace your condenser with this Condenser, replacing OEM #30250-369-004 / #30280-292-672 / #30280-292-671.Key Features• Condenser• Replaces OEM #30250-369-004 / #30280-292-672 / #30280-292-671• Honda part...
Honda CB750 CB450 CB350 CB200 CB175 front cable clip 45465-270-000

Honda CB Front Cable Clip ~ Replaces 45465-270-000

$7.00 USD
73-1116
Keep your wiring clean and secure with this Front Cable Clip, designed to hold the stop switch wires neatly against the front cable. Replaces...
New
Honda CB500 CB450 CL450K0 contact point right side 30203-292-003

Honda CB Contact Point ~ Right Side ~ Replaces 30203-292-003

$14.95 USD
14-0007
Replace the right-side contact point on your CB500T or CB450/CL450 with this Contact Point for the Right Side, replacing OEM #30203-292-003 / #30203-292-154.Key Features•...
New
Honda CB500 CB450 CB160 CL450K0 contact point left side 30204-292-003

Honda CB Contact Point ~ Left Side ~ Replaces 30204-292-003

$14.95 USD
14-0008
Match with the left-side contact point using this Contact Point for the Left Side, replacing OEM #30204-292-003 / #30204-292-154. Same fitment as 14-0007 plus...
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...
New
Honda CB500 CB450 CB360 CB350 CL350K0 rectifier 31700-455-671

Honda CB Rectifier ~ Replaces 31700-455-671

$22.95 USD
24-2078
Replace your CB350, CB360, CB450, or CB500T rectifier with this Rectifier with female connector, replacing OEM #31700-455-671 / #31700-358-305 / #31700-358-013 / #31700-292-008 /...
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...
New
Honda CB750 CB450 CL450K1 CL450K2 rear turn signal stay 33607-292-000

Honda CB Rear Turn Signal Stay ~ Genuine Honda 33607-292-000 ~ Replaces 33607-292-000

$59.95 USD
99-5164
This genuine Honda rear turn signal stay mounts the rear turn signal to the motorcycle frame and helps keep the signal straight, secure, and...
New
Honda CB500 CB450 CB360 hot shot rectifier regulator 31400-292-670

Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670

$189.95 USD
24-2089
Upgrade your charging system with this Rick's Electric Hot Shot Rectifier/Regulator, replacing OEM #31400-292-670 / #31700-455-671 / #31700-292-008. Combination unit works with the stock...
New
Honda CB450 CL450K3 performance charging kit lithium ion version

Honda CB Performance Charging Kit ~ Lithium Ion Version

$499.95 USD
24-2023
Upgrade your CB450 or CL450 charging system with Rick's Electric High Performance Hot Shot Lithium Ion Charging Kit. Includes a new rotor and a...
New
Honda CB450 CL450K3 CL450K4 CL450K5 CL450K6 performance charging kit

Honda CB Performance Charging Kit

$499.95 USD
24-2026
Upgrade your CB450 or CL450 charging system with Rick's Electric High Performance Hot Shot Charging Kit for standard lead-acid batteries. Includes a new rotor...
Honda CB500 CB450 hot shot rectifier regulator lithium ion battery

Honda CB Hot Shot Rectifier/Regulator ~ Lithium Ion Battery Compatible

$169.95 USD
24-2014
Upgrade your CB450, CB500T, CB350, CB360, or small classic with Rick's Electric Hot Shot Lithium Ion Rectifier/Regulator. This combination unit works with the stock...
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1972 Honda CL450K5 · Electrical Parts Buying guide

Identify the existing electrical arrangement first

Use product measurements and connector details to compare replacements with the fitted equipment. Choose charging hardware by battery chemistry, and check switch wire routing independently of the motorcycle’s model label.

Parts to consider

Honda CB Ignition Coil ~ Replaces 30500-292-672 Wired single-output ignition coil12 V, 5-ohm primary coil with attached wires and approximately 80 mm mounting centers. Sold individually.View part Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670 Lead-acid rectifier/regulatorRick’s Electric combined unit for standard lead-acid batteries. The product excludes lithium-ion use.View part Honda CB Bar Switch Assembly ~ Left (Clutch) Side ~ Replaces 35250-300-033 Black left handlebar switchClutch-side switch assembly with external handlebar wiring; replacement reference 35250-300-033.View part

Related parts: Ignition condenser · Lithium-ion combined regulator · Rear brake-light switch

Choose charging hardware around the battery

The standard combined unit is restricted to lead-acid batteries. The linked lithium-ion version excludes standard lead-acid use and has a 14 V ±0.2 V setpoint that needs battery-manufacturer approval. Resolve that distinction before comparing mounting or connector arrangements.

Treat wiring dimensions as product information

The offered single-output coil has a 5-ohm primary, approximately 80 mm mounting centers and attached leads. Compare these with the actual ignition and available routing. Separately, the black left switch routes its wiring outside the handlebar; confirm that arrangement before planning the control repair.

Buying questions

Can I select the lithium-ion regulator because its mounting looks similar?

Battery compatibility must come first. Its stated 14 V ±0.2 V setpoint needs confirmation from the battery manufacturer, and the unit excludes standard lead-acid batteries. Matching appearance does not settle the electrical application.

Does a model-category match establish the coil’s installed wiring direction?

Check the attached leads and actual mounting space. The product notes a different wire exit from some earlier coils; compare the arrangement and obtain the applicable instructions instead of assuming every retained loom follows the same route.

Should I replace charging parts to address any electrical fault?

Identify the affected circuit and establish the fault before selecting parts. Ignition, switching and charging components address different functions; replacing an unrelated unit does not follow from the broad electrical category or a shared model application.

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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