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1970 Honda CB450K Starter Relays & Charging Parts

Separate the starter repair from the charging choice when ordering for your 1970 CB450K. A relay, brush set and combination charging control address different components. Match the motor and wiring being retained, then select charging equipment for the actual battery and repair scope.

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Currently viewing Starter & Charging System

Honda motorcycle parts

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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 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 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...
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 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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1970 Honda CB450K · Starter & Charging System Buying guide

Compare the motor, relay and battery requirements

The relay has its own Honda references; the two-brush set specifically names a Mitsuba motor. Combination rectifier/regulators and rotor kits come in lead-acid or lithium-only versions. Identify the retained assemblies before deciding which parts belong in the order.

Parts to consider

Honda CB Starter Solenoid Relay ~ Replaces 35850-375-000 Starter relay: 35850-286-027 referenceStarter solenoid relay referencing Honda 35850-375-000 / 35850-286-027, listed for the 1970 CB450K. Compare the fitted relay and wiring; the description does not state a full lead layout or complete circuit package.View part Honda CB Starter Motor Brush Set ~ Replaces 31201-292-158 Mitsuba starter brush set of twoTwo brushes at 12 × 14 × 6mm, one with insulated leads and one with non-insulated leads, for Mitsuba two-brush starters. Honda references include 31201-292-158. Match the motor and removed pieces before ordering.View part Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670 Lead-acid Hot Shot combination controlRectifier/regulator intended for standard lead-acid batteries and the existing stator. It excludes lithium-ion batteries. Compare the retained charging connections before choosing this standalone control.View part

Related parts: Lithium-only control, 14V ±0.2 · Rotor and control kit for lead-acid batteries · Lithium-only rotor and control kit

Inspect the starter’s small service parts separately

The terminal boot references Honda 32411-230-000; the motor seal references 31206-286-158 / 31206-402-008 and states size 60 × 1.4. Their descriptions do not say they are included with the relay or brush set. Compare the retained motor and its surrounding parts before adding these separate service items.

Distinguish the rotor kit from a standalone control

The charging kits list a new rotor and combination rectifier/regulator and work with the existing stator unless it tests bad. The lithium kit requires battery-manufacturer confirmation of its 14V ±0.2 set point. Check both required contents and battery compatibility rather than assuming every charging choice is a full system replacement.

Starter and charging ordering questions

Does the starter relay description specify every wire connection?

It gives its references and motorcycle applications, but not a complete wire layout or dimensions. Compare the fitted relay and its connections with the replacement photograph. Confirm any missing details when the starter wiring or relay mounting has been changed.

Will a brush order also supply the starter seal and terminal boot?

The brush set description identifies two brushes with different lead insulation. The seal and terminal boot have separate listings and are not named as included. Inspect them during the planned repair and select any replacements by their own references and fit.

What should I check before buying a rotor kit for a lithium battery?

Confirm the stated 14V ±0.2 set point with the battery manufacturer and compare the fitted charging system. The lithium kit excludes standard lead-acid batteries and supplies rotor plus combination control, using the existing stator unless it tests bad. Check the stator independently as part of the repair assessment.

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