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1980 Honda CB900C Custom Starter & Charging Parts

The 1980 CB900C Custom starter and charging selection spans mechanical starter-clutch parts, starter-motor service items and alternator components. Identify whether the repair concerns cranking, starter engagement or charging before selecting a kit or replacing an electrical assembly.

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Honda motorcycle parts

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Honda CB1100 CB1000 CB900 CB750 alternator cover gasket 11691-425-000

Honda CB1100 / CB1000 / CB900 / CB750 Alternator Cover Gasket ~ Replaces 11691-425-000

$12.64 USD
12-5008
Replace the alternator cover gasket on your DOHC CB with this Alternator Cover Gasket, replacing OEM #11691-425-000. Fits the 1979-82 CB750 family, CB750SC Nighthawk,...
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...
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Honda CB1100 CB1000 CB900 CB750 starter solenoid relay 35850-MB0-007

Honda CB Starter Solenoid Relay ~ Replaces 35850-MB0-007

$34.95 USD
73-0824
Replace your starter solenoid relay with this Starter Solenoid Relay with fuse, replacing OEM #35850-MB0-007.If you would like the pigtails / plug that attaches...
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 CB900 CB750 CB450 alternator rotor puller

Honda CB Alternator Rotor Puller

$12.95 USD
35-0035
Pull your DOHC CB alternator rotor with this Alternator Rotor Puller, 18mm x M1.5 right-hand thread, for internal-thread rotors and flywheels.Key Features• Alternator rotor...
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 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...
Honda CB1100 CB1000 replacement alternator brush set 31124-MG5-000

Honda CB Replacement Alternator Brush Set ~ Replaces 31124-MG5-000

$34.95 USD
24-2001
Replace your DOHC CB's alternator brushes with this Replacement Alternator Brush Set of 2 with clip mounts. 18mm x 5mm x 4.5mm, for Honda...
Honda CB1100 CB1000 CB900 CB750 rectifier regulator

Honda CB1100 / CB1000 / CB900 / CB750 Rectifier/Regulator

$199.95 USD
24-2031
Replace your DOHC CB rectifier/regulator with this Rick's Electric OEM-Style 8-Wire Rectifier/Regulator. Two plugs: one 4-prong / 3-wire, and one 6-prong / 5-wire. Key...
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Honda CB1100 CB1000 CB900 CB750 CB700 starter solenoid switch assembly

Honda CB Starter Solenoid Switch Assembly

$44.95 USD
24-2004
Replace your DOHC CB's starter solenoid with this Starter Solenoid Switch Assembly, including a four-gang plug, 30-amp fuse with rubber holder, and cable attachment.The...
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Honda CB1100 CB1000 CB900 CB750 stator

Honda CB1100 / CB1000 / CB900 / CB750 Stator

$249.95 USD
24-2022
Replace your DOHC CB's stator with this Stator, more reliable than stock, no core required.Key Features• Stator• More reliable than stock• No core requiredFitment...
New
Honda CB1100 CB1000 CB900 CB750 rotor brush plate holder 31126-422-015

Honda CB Rotor Brush Plate Holder ~ Replaces 31126-422-015

$49.95 USD
24-2081
Replace your DOHC CB's rotor brush plate holder with this Rotor Brush Plate Holder for alternators, replacing OEM #31126-422-015 / #31126-422-005.Key Features• Rotor brush...
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 CB1100 CB1000 CB900 CB750 CB700 starter relay pigtail plug

Honda CB Starter Relay Pigtail / Plug

$7.95 USD
11-2098
Connect your starter relay cleanly with this Starter Relay Pigtail / Plug. Designed to connect to our starter relays #24-2004 and #73-0824.Important: despite the...
Honda CB1100 CB1000 CB900 CB750 starter motor cover gasket 31282-425-300

Honda CB1100 / CB1000 / CB900 / CB750 Starter Motor Cover Gasket ~ Replaces Honda OEM 31282-425-300

$11.69 USD
18-7070
Starter Motor Cover Gasket ~ Replaces Honda OEM 31282-425-300 for the Honda CB models listed below. Use this part for repair, restoration, or replacement...
Honda CB1100 CB1000 CB900 CB750 rectifier regulator lithium ion battery compatible 31600-MA6-910

Honda CB1100 / CB1000 / CB900 / CB750 Rectifier/Regulator ~ Lithium Ion Battery Compatible

$199.95 USD
24-6006
Upgrade your DOHC CB to a lithium-ion compatible regulator with this Rick's Electric Rectifier/Regulator. Designed with a lower voltage set point for lithium-ion batteries...
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...
Honda CB1100 CB1000 CB900 CB750 starter motor 31200-438-505

Honda CB1100 / CB1000 / CB900 / CB750 Starter Motor ~ Replaces 31200-438-505

$329.00 USD
73-1079
Replace your starter motor with this Starter Motor Unit, replacing OEM #31200-438-505. This starter bolts on as a direct replacement for the OEM type...
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1980 Honda CB900C Custom · Starter & Charging Buying guide

Separate cranking, starter engagement and charging faults

A starter that does not turn, a motor that spins without turning the engine and a battery that will not stay charged point to different checks. Identify the symptom before choosing brushes, a relay, starter-clutch parts or a regulator.

Starter and charging components

Honda CB Replacement Alternator Brush Set ~ Replaces 31124-MG5-000 Alternator brush pairTwo brushes for Honda electromagnetic rotors; replacement references 31124-MG5-000, 31124-422-005 and 31125-422-000.View part Honda CB1100 / CB1000 / CB900 / CB750 Rectifier/Regulator Rick’s eight-wire rectifier/regulatorRick’s Electric OEM-style rectifier/regulator, part 24-2031.View part Honda CB1100 / CB1000 / CB900 / CB750 Starter Clutch Rebuild Kit Rollers, caps and springsThree rollers, three caps and three springs for one starter-clutch rebuild.View part

Related parts: Starter relay with fuse · Relay connector 11-2098 · Starter brush pair

Choose parts for the failed assembly

The Mitsuba starter brush set is for the specified two-brush motor; compare the actual motor if it has been replaced. The alternator uses a separate brush pair for the electromagnetic rotor. Starter-clutch rollers, caps and springs belong to the mechanical drive and will not repair a failed relay or battery cable. For relay pigtail 11-2098, verify every wire position against the exact-year wiring diagram and relay terminals; wire colours do not establish terminal orientation.

Diagnose the charging circuit as a system

Inspect alternator brushes, wiring and connectors and test charging performance before replacing the regulator. The eight-wire 24-2031 unit has four-position/three-wire and six-position/five-wire connectors. Match terminal functions and battery requirements; the separate lithium-only regulator is not an AGM substitute.

Practical questions

What should I check if the relay clicks but the engine does not crank?

Start with the battery under load, battery and ground connections, and the high-current path to the starter. The relay or motor may also be faulty, but a click alone does not prove either needs replacement.

What if the starter motor spins but the engine does not turn?

Inspect the mechanical starter drive and starter clutch using the Honda procedure. Rollers, springs or related drive parts may need service; this symptom is different from a motor receiving no electrical power.

Will a new regulator cure every low-charge problem?

No. Poor connections, worn alternator brushes, rotor or stator faults and a damaged battery can also cause poor charging. Test the system before ordering, then verify charging performance after the repair.

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Send your model and year, plus photos of your existing part and any changes to the original setup.

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