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1972 Honda CB750K Starter & Charging System Parts

Starter and charging repairs call for different components: this 1972 CB750K range includes a starter relay, stators, regulator/rectifier options and starter service pieces. Identify the part requiring replacement, then compare its connections, mounting arrangement and the battery equipment already fitted.

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Honda motorcycle parts

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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 CB750 alternator cover gasket (dyno cover) 11397-300-306

1969-78 Honda CB750 Alternator Cover Gasket (Dyno Cover) ~ Replaces 11397-300-306

$14.95 USD
12-5038
Replace the SOHC CB750 alternator (dyno) cover gasket with this Alternator Cover Gasket (Dyno Cover), replacing OEM #11397-300-306. Fits all 1969-1978 CB750 models.Key Features•...
Honda CB750 alternator stator wire harness 31110-300-154

1969-78 Honda CB750 Alternator Stator Wire Harness ~ Replaces 31110-300-154

$21.95 USD
24-4021
Replace your alternator stator wire harness with this Alternator Stator Wire Harness. Same 7-wire plug as the OEM part and hooks up without alterations....
Honda CB1100 CB1000 CB900 CB750 starter clutch rebuild kit

Honda CB1100 / CB1000 / CB900 / CB750 Starter Clutch Rebuild Kit

$47.95 USD
24-5001
Rebuild your starter clutch with this Starter Clutch Rebuild Kit, including 3 rollers (15 x 13), 3 caps (15.5 x 6.2), and 3 springs.Key...
New
Honda CB1100 CB1000 CB900 CB750 ATX14AHL battery

Honda CB1100/CB1000/CB900/CB750 ATX14AHL Battery

$79.95 USD
24-2204
Keep your vintage Honda starting strong with this ATX14AHL Replacement Battery, designed for reliable performance across a wide range of classic Honda models. This...
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 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 CB750 SOHC alternator rotor puller

1969-78 Honda CB750 SOHC Alternator Rotor Puller

$12.95 USD
35-0030
Pull your SOHC CB750 alternator rotor with this Alternator Rotor Puller, 20mm x M1.5 right-hand thread, for internal-thread rotors.Key Features• Alternator rotor puller• 20mm...
New
Honda CB750 stock style stator 31102-300-045

1969-78 Honda CB750 Stock Style Stator ~ Replaces 31102-300-045 / 31102-300-035

$199.95 USD
99-4962
Upgrade or restore your classic Honda motorcycle with this Stock Style Stator — remanufactured to replace multiple hard‑to‑find OEM configurations. Designed to fit and...
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...
Honda CB750 SOHC rectifier regulator

1970-78 Honda CB750 SOHC Rectifier/Regulator

$219.00 USD
24-2032
Replace your SOHC CB750's rectifier/regulator with this Universal Solid-State Rectifier/Regulator for 3-phase A-type field-excited alternators with both brushes or both field leads insulated from...
Sold out
Honda CB750 premium stock type stator 31102-300-045

1969-78 Honda CB750 Premium Stock Type Stator ~ Replaces 31102-300-045

$329.00 USD
24-2189
Made in the USA by Rick’s Electrics, this stock-style stator is designed as a direct replacement for original Honda units, matching OEM references 31102-300-045,...
Honda CB1100 CB1000 CB900 starter clutch roller spring 28125-516-030

Honda CB Starter Clutch Roller Spring ~ Replaces 28125-516-030

$3.50 USD
73-0856
Replace your starter clutch roller spring with this Starter Clutch Roller Spring, replacing OEM #28125-516-030.Sold each, order the quantity you require.Key Features• Starter clutch...
New
Honda CB750 starter motor 31200-300-030

1969-78 Honda CB750 Starter Motor ~ Replaces 31200-300-030

$399.95 USD
24-2056
Replace your SOHC CB750 starter motor with this Rick's Electric Starter Motor, replacing OEM #31200-300-030. Features an upgraded 4-brush permanent magnet design and comes...
Honda CB750F CB750K starter motor bolt (set 2) 95700-06056-00

1971-76 Honda CB750F / CB750K Starter Motor Bolt (Set/2) ~ Replaces 95700-06056-00

$3.50 USD
29-7020
Replace your starter motor flange bolts with this Starter Motor Flange Bolt Set of 2, replacing OEM #95700-06056-00.Key Features• Starter motor flange bolt set...
Honda CB750K rectifier only solid state type

1969-74 Honda CB750K Rectifier Only ~ Solid state type

$82.28 USD
24-2155
Replace your early CB750 rectifier with this Rick's Electric Solid-State Rectifier. For use on early 3-phase systems with separate rectifier and regulators.Product InstructionsKey Features•...
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1972 Honda CB750K · Starter & Charging System Buying guide

Choose between starter components and charging-system replacements

The starter relay, alternator stator and combined regulator/rectifier are different purchases. A combined unit can also have its own mounting requirements, so check the individual listing before treating it as a direct physical substitution.

Parts to consider

Honda CB Starter Solenoid Relay ~ Replaces 35850-371-670 Starter solenoid relayReplacement starter relay listed for the 1972 CB750K, with Honda 35850-371-670 among its stated replacement references.View part 1969-78 Honda CB750 Stock Style Stator ~ Replaces 31102-300-045 / 31102-300-035 Stock-style alternator statorStock-style stator listed for the SOHC CB750, with Honda 31102-300-045 and 31102-300-035 among its replacement references.View part Honda CB Rectifier/Regulator Rick’s regulator/rectifierCombined regulator/rectifier with stock-type plugs and instructions; 68 × 94 × 26 mm, with 80 mm mounting-hole centres. Custom mounting may be needed.View part

Check a charging conversion as a complete choice

The featured combined unit is specified at 68 × 94 × 26 mm, with mounting holes 80 mm apart centre to centre. Compare available space and the mounting arrangement before purchase. Its stock-type plugs do not make the housing a guaranteed match for the original mount.

Choose the starter part after identifying the repair

This range includes a relay, starter motor, brush and seal products, and starter-clutch service parts. Those are different assemblies rather than a single overhaul package. Use the installed component and workshop guidance to identify the job, then read the selected product’s contents before deciding whether you need a complete replacement or service pieces.

Common questions

Does the combined regulator/rectifier use the original mount unchanged?

The featured listing says a custom mounting job may be required and supplies its dimensions and mounting-hole spacing. Read its installation instructions and compare your motorcycle’s arrangement before choosing where to mount it.

Can the lithium-compatible regulator be used with a conventional battery?

The separate lithium-ion regulator explicitly excludes standard lead-acid batteries and specifies a 14 V ±0.2 set point. Confirm its requirements against the actual battery before purchase; it is not a general substitute for every regulator in this category.

Will the brush set service the Rick’s replacement starter?

The brush set is specified for a Mitsuba two-brush starter and supplies two 12 × 14 × 6 mm brushes, one with an insulated lead and one with a non-insulated lead. The Rick’s replacement motor uses a four-brush design. Identify the installed motor before selecting service parts.

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