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1971 Honda CL450K4 Electrical Parts

Electrical parts for a 1971 Honda CL450K4 should be chosen against the harness and equipment currently installed. Round-plug switches, single-output coils and battery-specific charging units require different checks, especially where previous repairs changed the wiring or the battery type.

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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 CB450 CB350 CB175 CL350K0 ignition switch 35100-303-007

Honda CB Ignition Switch ~ Replaces 35100-303-007

$34.95 USD
12-0060
Fit the round-plug ignition switch on your early classic Honda with this Ignition Switch (round plug, 6-hole 4-wire type), replacing OEM #35100-303-007 / #35100-292-003...
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 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...
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...
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 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...
New
Honda CB750 CB500 CB450 CB350 tail light cover gasket 33709-077-671

Honda CB Tail Light Cover Gasket ~ Replaces 33709-077-671

$7.00 USD
11-2168
Replace the tail light lens gasket on your early '70s Honda with this Tail Light Lens Gasket, replacing OEM #33709-077-671. Fits the 1969-71 CB750K...
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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...
New
Honda CB750 CB500 CB450 CB350 front fork reflector 33741-315-000

Honda CB Front Fork Reflector ~ Genuine Honda OEM 33741-315-000 ~ Replaces 33741-315-000

$42.95 USD
99-5113
Replace a damaged or missing front fork reflector on your vintage Honda motorcycle with this small-diameter amber front reflector. This replacement part is designed...
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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1971 Honda CL450K4 · Electrical Parts Buying guide

Identify the circuit before choosing its replacement

Match ignition parts by their connections and mounting, then treat charging-system battery chemistry as a separate decision. Replacement appearance and a shared model tag are not enough to establish electrical compatibility.

Parts to consider

Honda CB Ignition Switch ~ Replaces 35100-303-007 Round-plug ignition switchRound six-hole, four-wire connector. Compare the actual harness plug and terminal positions.View part Honda CB Ignition Coil ~ Replaces 30500-292-672 Single-output ignition coil12 V coil with 5-ohm primary resistance, attached wires and approximately 80 mm mounting centers; sold each.View part Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670 Lead-acid combined rectifier/regulatorRick’s Electric combination unit for standard lead-acid batteries only; not compatible with lithium-ion batteries.View part

Related parts: Ignition condenser · Rear brake-light switch · Separate rectifier

Match the ignition’s physical and electrical details

The coil is a 12 V single-output unit with a 5-ohm primary and approximately 80 mm mounting centers. It has attached leads, including a 19-inch spark-plug wire. Compare those details with the actual ignition, especially if coils or electronic controls have previously been changed.

Choose charging parts for the battery

The featured combination rectifier/regulator is for standard lead-acid batteries only. Lithium-ion versions are separate products with their own battery requirements. Identify the installed battery and charging arrangement first, rather than choosing by a shared connector shape or an upgrade description.

Buying questions

Are six holes in the ignition plug the same as six wires?

The offered switch uses a round six-hole connector with four wires. Compare the occupied positions and their functions with the harness; the housing’s number of holes alone does not establish the connection mapping.

Does buying one ignition coil supply a paired set?

The coil is sold each and has one output. Order only after identifying the units that need replacement and checking the fitted ignition requirements; its application range does not make it a multi-coil kit.

Is the featured combined charging unit suitable after a lithium battery conversion?

No. Its description excludes lithium-ion batteries and specifies standard lead-acid use. A lithium-compatible alternative still needs the battery maker’s charging requirements checked before it is selected for an altered system.

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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