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1975 Honda CB400F Stator and Starter Seals

The stator and its wire harness both name the 1975-77 CB400F. Two starter-motor seals are different sizes. A combination regulator can replace the stock regulator and rectifier, and the lithium version is a different unit.

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Currently viewing Starter & Charging System

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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...
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...
Honda CB750 CB400 CB350 starter relay solenoid cable 35858-392-000

Honda CB750 / CB400 / CB350 Starter Relay Solenoid Cable ~ Replaces 35858-392-000

$9.50 USD
73-0108
Replace your starter relay solenoid cable with this Starter Relay Solenoid Cable, replacing OEM #35858-392-000 / #35858-333-000 / #35858-393-000.Key Features• Starter relay solenoid cable•...
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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...
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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 CB400F CB350F alternator stator wire harness 31110-333-000

1972-77 Honda CB400F / CB350F Alternator Stator Wire Harness ~ Replaces 31110-333-000

$23.45 USD
73-0103
Replace your alternator stator wire harness with this Alternator Stator Wire Harness, connecting to the stator and field coil. Replaces OEM #31110-333-000.Key Features• Alternator...
Honda CB400F CB350F stock style stator 31102-333-004

1972-77 Honda CB400F / CB350F Stock Style Stator ~ Replaces 31102-333-004

$199.95 USD
24-2185
Replace your CB350F or CB400F Supersport stator with this Stock Style Stator, replacing OEM #31102-333-004.Key Features• Stock-style stator• Replaces OEM #31102-333-004• Honda part name:...
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1975 Honda CB400F · Starter & Charging System Buying guide

Stator number first, then seal size

Use 31102-333-004 when the stator itself has failed. Match a starter seal by the size you measured, 24.4 x 3.1 or 60 x 1.4. Do not fit the lithium regulator to a lead-acid battery.

Parts to consider

1972-77 Honda CB400F / CB350F Stock Style Stator ~ Replaces 31102-333-004 Stock-style statorReplaces 31102-333-004. Names the 1975-77 CB400F and the CB350F. The wire harness is separate.View part 1972-77 Honda CB400F / CB350F Alternator Stator Wire Harness ~ Replaces 31110-333-000 Stator wire harnessConnects to the stator and field coil. Replaces 31110-333-000. Names the 1975-77 CB400F and the CB350F.View part Honda CB750 / CB400 / CB350 Starter Relay Solenoid Cable ~ Replaces 35858-392-000 Starter solenoid cableReplaces 35858-392-000, 35858-333-000, and 35858-393-000. Names the CB350F and the 1975-77 CB400F. It is the cable, not the solenoid.View part

Related parts: Starter seal 24.4 x 3.1 · Starter seal 60 x 1.4 · Lead-acid regulator

Two seals, two sizes

One starter seal is 24.4 x 3.1 and replaces 91312-MG7-003. The other is 60 x 1.4 and replaces 31206-286-158. Both name the 1975-77 CB400F. Measure the seal you removed. They are not substitutes.

Lithium and lead-acid regulators are not interchangeable

The unit that names the 1975-77 CB400F and is for a normal battery is the combination regulator, 68 x 94 x 26mm, with 80mm hole spacing. It may need a custom mount. The lithium unit is 14V plus or minus 0.2, 70 x 94 x 27mm, and the text says it is not for lead-acid batteries.

Charging questions

Which stator names this bike?

The stock-style stator replacing 31102-333-004, for the 1975-77 CB400F and the CB350F.

Are the two starter seals the same size?

No. One is 24.4 x 3.1. The other is 60 x 1.4. Both name the 1975-77 CB400F. Measure the old seal.

Can I use the lithium regulator with a normal battery?

No. The text says that unit is not for lead-acid batteries. Its set point is 14V plus or minus 0.2.

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