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1971 Honda CB450K Contact Points & Ignition Components

Build a 1971 CB450K ignition service order from the individual components you intend to replace. Left and right contact points have separate references. The coil specifies its leads and mounting, while the ignition switch and plug caps call for their own connection checks.

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Currently viewing Ignition Systems, Ignition Switch, Coils, Plugs, Contact Points

Honda motorcycle parts

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

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 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...
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...
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 CB500 CB450 spark plug cap YB05F

Honda CB500/CB450 Spark Plug Cap ~ YB05F

$10.95 USD
23-3120
Spark Plug Cap - YB05F for custom or restoration work on classic Honda CB motorcycles.  Key Features Aftermarket part Sold as: Each Fitment /...
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1971 Honda CB450K · Ignition Systems, Coils & Plugs Buying guide

Identify the point side and the retained ignition connections

Left points use the 30204-292 references and right points use the 30203-292 references. The coil is sold individually with wires attached. A condenser and plug cap are separate choices, and the round-plug switch is intended for the stated round harness connection.

Parts to consider

Honda CB Contact Point ~ Left Side ~ Replaces 30204-292-003 Left-side contact pointLeft ignition point referencing Honda 30204-292-003 / 30204-292-154. Compare the point on that side of the fitted ignition. The description does not identify a supplied left-and-right point package.View part Honda CB Contact Point ~ Right Side ~ Replaces 30203-292-003 Right-side contact pointRight ignition point referencing Honda 30203-292-003 / 30203-292-154. Match the side and component being renewed; its reference differs from the separately listed left point.View part Honda CB Ignition Coil ~ Replaces 30500-292-672 Individually sold single-output coil12V coil with a 5-ohm primary and attached wires, sold each. The spark plug wire is 19 inches long and mounting centres approximately 80mm. Compare the full lead and mounting arrangement with the coil being removed.View part

Related parts: Condenser with Honda replacement references · Aftermarket cap for restoration or custom work · Round-plug ignition switch

Compare both electrical leads before settling the mount

The coil gives a 6.5-inch blue wire with dual female bullet connector and a 5.25-inch black/white wire with male bullet connector. Its beige-Honda-coil replacement note requires reversed mounting because the exits differ. Assess those paths alongside the mounting centres rather than selecting it from bracket spacing alone.

Treat a cap purchase as a separate connection decision

The YB05F cap is an aftermarket part sold each for restoration or custom work. Its description does not document resistance or plug-terminal dimensions. Confirm the required values and connections for the ignition fitted; neither the model name nor the coil’s primary resistance resolves that choice.

Ignition replacement buying questions

How do I build an order for both contact-point sides?

Use the separately identified left and right products and their different Honda references. Neither description states that it supplies a pair. Confirm supplied quantity if necessary and add the condenser only if that separate component is part of the planned service.

Does a four-wire count alone identify the ignition switch?

The switch specifies a round six-hole, four-wire plug and a round harness connector for its CB450K application. Compare the connector shape and connection arrangement as well as the wire count. A previously altered harness needs a direct comparison before ordering.

What does the condenser listing establish for my repair?

It names Honda 30250-369-004 / 30280-292-672 / 30280-292-671 and the motorcycle applications. Compare the condenser’s attachment and connection with the ignition retained on the bike. Its description does not itemize a combined points-and-condenser service kit.

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