VintageCB750 Supplying CB Riders Since 2010

About Us Why Us? Reviews Shipping Info Returns Contact Us
Wish Lists
0 My Cart

Your cart is currently empty.

Browse all parts
Total (USD): $0.00
View cart
Menu
Search
Wish
Cart 0
My motorcycle Choose your Honda CB model

Search parts

Searching all Honda CB parts

Example: brake pads or oil filter.

1982 Honda CB450SC Nighthawk Charging Units and Starter Seals

A charging replacement and a starter sealing repair require different checks on your 1982 CB450SC Nighthawk. Identify the battery chemistry and charging connectors first. For starter service, distinguish the small installation seal from the large motor-body seal, and assess the terminal boot separately.

Close ×
Your saved bike Choose your Honda CB model

Shop By Category

Most orders ship same or next business day Fitment guarantee Listed for your exact model and year? We’ll make it right if it doesn’t fit as described. Mechanic-backed support Ask our team for help choosing the right Honda CB part.
Currently viewing Starter & Charging System

Honda motorcycle parts

Choose your model and year to see parts listed for your bike.

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...
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 CB450 CB400 rectifier regulator 31600-KV8-681

1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Replaces 31600-KV8-681

$179.95 USD
24-2088
Replace your CB400 or CB450 rectifier/regulator with this Rectifier/Regulator, 6 wires, 3 yellow in one connector block and 3 wires in a 4-space block....
New
Honda CB450 CB400 rectifier regulator lithium ion battery compatible 31600-KV8-681

1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Lithium Ion Battery Compatible

$189.95 USD
24-2034
Upgrade your CB400 or CB450 to a lithium-ion compatible regulator with this Rick's Electric Rectifier/Regulator, replacing OEM #31600-KV8-681 / #31600-413-008. Designed with a lower...
compare

1982 Honda CB450SC Nighthawk · Starter & Charging System Buying guide

Match the charging design and starter seal to the actual repair

The six-wire 24-2088 unit and lithium-only 24-2034 unit have different wiring details and requirements. Starter seal 03-0780 is 24.4 x 3.1mm; the 60 x 1.4mm seal serves the motor body or cover. Neither size should be selected by appearance alone.

Parts to consider

1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Replaces 31600-KV8-681 Six-wire unit with two connector blocksThree yellow wires occupy one block, with three other wires in a four-space block. Its references include 31600-KV8-681, 31600-413-008 and 31600-MC9-740.View part 1978-86 Honda CB450 / CB400 Rectifier / Regulator ~ Lithium Ion Battery Compatible Lithium-only Rick’s charging unitPart 24-2034 uses a 14.0V ±0.2 set point and omits the black sensing lead. It is explicitly unsuitable for a standard lead-acid battery.View part Honda CB Starter Motor Seal 24.4 x 3.1 ~ Replaces 91312-MG7-003 24.4 x 3.1mm starter installation sealOne seal is supplied. Cross-references are 91312-MG7-003, 91309-300-000 and 91309-425-003; match the number to the installation being serviced.View part

Related parts: 60 x 1.4mm starter body seal · Starter terminal rubber cover · Starter-interlock diode assembly

Battery type comes before a charging-unit upgrade

Rick’s 24-2034 is designed only for lithium-ion batteries and the stated 14.0V ±0.2 set point must suit the battery you have chosen. It does not use the black sensing lead described for the original-style design. Compare the wiring and battery requirements before replacing a six-wire unit with this alternative.

Keep starter seals, terminal protection and the safety diode distinct

The large 60 x 1.4mm seal belongs to the starter body or cover, while the smaller 24.4 x 3.1mm seal has its own installation references. The rubber boot protects the high-current terminal and excludes the cable and nut. The diode cross-references 31700-124-003 and 31700-166-008 for the starter safety circuit, rather than main charging control.

Starter & Charging Parts FAQs

Can I choose the lithium regulator solely by the Honda replacement number?

No. Part 24-2034 also requires a lithium-ion battery suited to its 14.0V ±0.2 set point, and it must not be used with a standard lead-acid battery. Compare the battery requirements and connectors as well as the Honda reference.

Why does the lithium unit omit a wire shown on the original-style unit?

Rick’s lithium-compatible design regulates without the black sensing lead described for the original-style unit. That is a stated design difference, not an instruction to alter the loom. Compare the supplied connectors and wiring layout before planning installation.

Which starter seal should I order when the motor is being serviced?

Identify the sealing location and reference first. Part 03-0780 is the 24.4 x 3.1mm installation seal; the 60 x 1.4mm item is the motor-body or cover seal. Their separate references prevent treating the two O-rings as interchangeable.

Not sure which part you need?

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

Ask a fitment question
Parts categories for 1982 Honda CB450SC Nighthawk

Your cart

×