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1971 Honda CB350K3 Electrical Parts

Electrical repairs on a 1971 CB350K3 can involve the contact-point ignition, starter circuit, charging equipment or lighting controls. Identify the affected system first, then check existing connectors and battery type so an otherwise suitable replacement matches the motorcycle you have.

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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...
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...
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...
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 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 /...
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...
New
Honda CB350K CL350K rear turn signal stay 33607-286-871

1968-72 Honda CB350K / CL350K Rear Turn Signal Stay ~ Replaces 33607-286-871

$22.95 USD
99-4860
Upgrade or restore your classic Honda motorcycle’s rear lighting assembly with this Rear Turn Signal Stay — a reliable replacement designed to replace OEM...
New
Honda CB360 CB350 CL350K0 contact point right side 30203-286-004

Honda CB Contact Point ~ Right Side ~ Replaces 30203-286-004

$8.82 USD
14-0005
Replace the right-side contact point on your CB350, CL350, SL350, or CB360 family bike with this Contact Point for the Right Side, replacing OEM...
New
Honda CB360 CB350 CL350K0 contact point left side 30204-286-004

Honda CB Contact Point ~ Left Side ~ Replaces 30204-286-004

$8.82 USD
14-0006
Match the right-side point with this Left-Side Contact Point, replacing OEM #30204-286-004 / #30202-369-154. Same fitment as the paired 14-0005 right-side point.Key Features• Left-side...
Honda CB360 CB350 starter motor cable 32410-286-000

1968-76 Honda CB360 / CB350 Starter Motor Cable ~ Replaces Honda OEM 32410-286-000

$51.95 USD
24-6028
Replace a worn, damaged, or corroded starter motor cable with this aftermarket cable made to replace Honda OEM 32410-286-000. This heavy starter lead carries...
Honda CB360 CB350 CB250 spark plug cap LB05F

Honda CB360/CB350/CB250 Spark Plug Cap ~ LB05F

$9.38 USD
23-3117
Spark Plug Cap - LB05F for custom or restoration work on classic Honda CB motorcycles.  Key Features Aftermarket part Sold as: Each Fitment /...
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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
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Honda CB360 CB350 CL350K0 CL350K1 charging kit lithium ion version

Honda CB Charging Kit ~ Lithium Ion Version

$329.00 USD
99-4938
Complete charging system rebuild kit from Rick's Electrics, designed to upgrade your CB350/360's aging electrical system to a modern, lithium-ion compatible setup. Rather than...
New
Honda CB350 CL350K0 CL350K1 CL350K2 alternator rotor puller 16 x 1.5

Honda CB Alternator Rotor Puller ~ 16 x 1.5

$39.95 USD
99-4937
Specialty puller tool for removing the alternator rotor on your CB350/360 without damaging the rotor or crankshaft during the process. A proper rotor puller...
New
Universal motorcycle rick’s electrics performance hot shot starter motor unit 31200-286-405

Universal Motorcycle Rick’s Electrics Performance Hot Shot Starter Motor Unit ~ Replaces 31200-286-405

$249.95 USD
99-4940
Upgrade your classic Honda motorcycle’s starting system with this Rick’s Electrics Brand Performance Hot Shot Starter Motor Unit — an upgraded 4‑brush permanent‑magnet starter...
New
Sold out
Honda CB350 CB360 rick’s high-output charging kit

Honda CB Rick’s Electrics Charging Kit ~ High-Output Stator & Rectifier/Regulator ~ Standard Lead Acid Battery

$399.95 USD
99-4939
Upgrade or restore the charging system on your classic Honda motorcycle with this Rick’s Electrics Charging Kit designed for use with standard lead acid...
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 CB350 CL350K0 CL350K2 CL350K3 performance rotor 31100-286-309

Honda CB Performance Rotor ~ Replaces 31100-286-309

$399.95 USD
24-2036
Upgrade your CB350 or CL350 with this Rick's Electric Performance Hot Shot Rotor, replacing OEM #31100-286-309 / #31100-286-004. Features an upgraded design that is...
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...
Honda CB360 CB350 CL350K0 performance high output single tower coil

Honda CB Performance High Output Single Tower Coil

$89.95 USD
17-6807
Upgrade your CB350 or CB360 ignition with this Performance Single Tower Ignition Coil. Single-tower high-output coil with 3.3 Ohm primary resistance and 70 kV...
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1971 Honda CB350K3 · Electrical Buying guide

Match the repair to the K3’s electrical system

The CB350K3 uses a 12-volt electrical system, but charging replacements differ by battery chemistry. Ignition coils, brake switches and lighting hardware also need their own mounting and connection checks.

Parts to consider

Honda CB Ignition Coil ~ Replaces 30500-292-672 Single-output ignition coil12V coil with 5-ohm primary resistance, attached leads and approximately 80mm mounting centers. Sold individually.View part Honda CB Rear Brake Light Switch Rear brake light switchReplacement rear brake stop switch with CB350K 1970–72 application. Compare the mounting and lead connections with your existing switch.View part Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670 Lead-acid rectifier/regulatorRick’s combination unit for the stock stator and standard lead-acid batteries. Not for lithium-ion batteries.View part

Related parts: Replacement starter cable · Early tail light lens gasket · Ignition condenser

Keep ignition and charging choices separate

The replacement single-output ignition coil has a 5-ohm primary winding and approximately 80mm mounting centers. Those are coil selection details, not charging-system specifications. If the motorcycle has electronic ignition, follow that ignition maker’s coil requirements rather than choosing solely from the CB350K3 application.

Start with the battery already fitted

The lead-acid rectifier/regulator works with the stock stator. A separate lithium-ion version uses a 14V ±0.2V set point, which must suit the particular battery. A charging kit adds a stator; do not assume every combination rectifier/regulator includes one.

Buying questions

Was the K3 originally a 12-volt motorcycle?

Yes. Honda’s CB350 service specification gives a 12V, 12Ah battery. That identifies the original electrical system; it does not establish whether a battery fitted today is lead-acid or lithium-ion, or which replacement regulator it needs.

Should I order a coil for a no-spark fault immediately?

Check the existing ignition system first using the Honda service manual. The points, condenser, connections and coil are separate service items. A coil purchase should follow that diagnosis and a mounting comparison, especially on a motorcycle with altered wiring.

How do I choose a replacement for an altered motorcycle?

Match the component actually fitted: connector style for switches, battery chemistry for charging parts, and housing shape for lighting seals. The model year is a starting point; a changed loom, lamp or ignition can change the required part.

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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