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1976 Honda CB550K Starter Service & Charging Parts

Starter and charging parts for the 1976 Honda CB550K include brushes, seals, a solenoid, a diode and combined regulator/rectifier units. Identify the fitted starter and battery type first, then compare the relevant listing instead of treating every electrical symptom as the same repair.

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Honda CB750 CB550 CB500 CB350 starter solenoid relay 35850-371-670

Honda CB Starter Solenoid Relay ~ Replaces 35850-371-670

$21.46 USD
09-6582
Replace a failing starter solenoid with this Starter Solenoid Relay, replacing OEM #35850-371-670 / #35850-306-670 / #35850-HA7-670. Fits the SOHC CB750 lineup plus CB500/CB550K,...
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...
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Honda CB750 CB550 CB500 CB400 CB350 rectifier regulator

Honda CB Rectifier/Regulator

$199.95 USD
24-2109
Replace your SOHC CB regulator and rectifier with this Rick's Electric OEM-Style Rectifier/Regulator. Combination unit replaces the OEM regulator and rectifier; stock-type plugs and...
Honda CB1100 CB1000 CB900 CB750 starter clutch diode 31700-124-003

Honda CB Starter Clutch Diode ~ Replaces 31700-124-003

$12.88 USD
24-2044
Replace your starter clutch diode with this Stator Clutch Diode/Rectifier, replacing OEM #31700-124-003 / #31700-166-008. Exceptionally broad fitment across the SOHC and DOHC CB750...
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Honda CB750 CB550 rectifier regulator lithium ion battery compatible

Honda CB Rectifier/Regulator ~ Lithium Ion Battery Compatible

$199.95 USD
24-2011
Upgrade to a lithium-ion compatible charging regulator with this Rick's Electric Rectifier/Regulator. Designed with a lower voltage set point to work exclusively with lithium-ion...
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...
New
Honda CB starter motor seal 24.4 x 3.1 91312-MG7-003

Honda CB Starter Motor Seal 24.4 x 3.1 ~ Replaces 91312-MG7-003

$4.50 USD
03-0780
Seal up your starter motor with this Starter Motor Seal, size 24.4 x 3.1, replacing OEM #91312-MG7-003 / #91309-300-000 / #91309-425-003. Exceptionally wide fitment...
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...
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Honda CB550F CB550K CB500K alternator cover gasket 11691-323-306

1971-78 Honda CB550F / CB550K / CB500K Alternator Cover Gasket ~ Replaces 11691-323-306

$9.86 USD
18-6999
Replace your CB500K or CB550 alternator cover gasket with this Alternator Cover Gasket, replacing OEM #11691-323-306.Key Features• Alternator cover gasket• Replaces OEM #11691-323-306• Honda...
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1976 Honda CB550K · Starter & Charging System Buying guide

Identify the starter and choose charging by battery type

The brush set names a Mitsuba two-brush motor. Combined charging units offer standard and lithium-only choices, with different dimensions and battery requirements. Read those limits before comparing wiring plugs, seals or mounting space.

Parts to consider

Honda CB Starter Motor Brush Set ~ Replaces 31201-292-158 Mitsuba two-brush starter setTwo 12 × 14 × 6 mm brushes for a Mitsuba two-brush starter: one insulated lead and one non-insulated lead. Identify the fitted motor first.View part Honda CB Rectifier/Regulator Rick’s combined regulator and rectifierOEM-style combined unit supplied with stock-type plugs and instructions. Its listed mounting-hole spacing is 80 mm; custom mounting may be required.View part Honda CB Rectifier/Regulator ~ Lithium Ion Battery Compatible Rick’s lithium-only charging unitCombined regulator/rectifier listed exclusively for lithium-ion batteries, with a 14 V ±0.2 set point. Not for standard lead-acid batteries; confirm battery requirements.View part

Related parts: Starter diode/rectifier · Starter solenoid relay · Starter seal, listed 24.4 × 3.1

Match the fitted starter components

The brush set contains one insulated-lead brush and one non-insulated-lead brush, each listed at 12 × 14 × 6 mm. Starter seals and the terminal boot have separate references. Compare the actual motor and removed parts; those listings do not establish a universal repair kit.

Check the lithium-only restriction

The lithium regulator/rectifier specifies 14 V ±0.2 and expressly excludes standard lead-acid batteries. The OEM-style combined unit is a different listing. Both require comparison of plugs and mounting, and custom mounting may be needed; confirm battery requirements before choosing the lithium option.

Common questions

Does the brush set suit every replacement starter?

It is specifically listed for Mitsuba two-brush starters, with stated brush dimensions and lead types. Identify the motor fitted to the motorcycle and compare its brushes before relying on the broad CB550K application.

Can the lithium regulator be used with a lead-acid battery?

No. Its description explicitly says it is exclusively for lithium-ion batteries and not for standard lead-acid batteries. Confirm the battery manufacturer’s charging requirements against the listed voltage set point before selecting it.

Are the small and large starter seals equivalent?

They are separate listings with different references and stated sizes, 24.4 × 3.1 and 60 × 1.4. Compare the removed seal and the relevant starter assembly information; a shared category does not establish interchangeability.

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