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Honda CB125S rick's electrics style CDI box 30400-437-023
SKU 24-2028 — approved OEM fiche location reference (NIGHT20261026-0126)

1981-82 Honda CB125S Rick's Electrics OEM Style CDI Box ~ Replaces 30400-437-023

24-2028
$179.00 USD
In stock Usually ships the same or next business day
Check model fitment View fitment
Questions about this part? Contact us 4.8/5 1,347 store reviews

Replace your CB125S CDI box with this Rick's Motorsport Electrics CDI Box, replacing OEM #30400-437-023 / #30400-446-000 / #30400-437-003 / #30400-437-013. Brand-new direct replacement designed to perform to OEM specifications. A reliable and affordable option for the discontinued OEM product. Just plug it in and get fired up.

Key Features
• Rick's Motorsport Electrics CDI box
• Replaces OEM #30400-437-023 / -446-000 / -437-003 / -437-013
• OEM-spec performance
• Direct plug-in
• Honda part name: Module, Ign Cont

Fitment / Compatibility
• Honda CB125S (1981‑82)

Part Number: 24-2028

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Check the listed model and year, then read any fitment notes in the description.

Honda motorcycle models and years listed for this part
Make Model Year
Honda CB125S 1981
Honda CB125S 1982

Free ground shipping over $50

To the USA & Canada. In-stock orders usually ship from our own warehouse the same or next business day.

Estimated ground delivery after your order ships
DestinationDelivery time
USA4–7 business days
Canada2–6 business days

Ground shipping includes tracking, emailed when your order ships. Need it sooner? Express options are available at checkout.

60-day returns on eligible parts

No restocking fees. Eligible parts must be unused, uninstalled, unaltered and complete. The 60-day window starts when your order is delivered.

Electrical parts are excluded from standard returns. Check return eligibility.

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Other shipping options

Canada Post Economy: Available at checkout for select small items. Allow 1–3 weeks for delivery. No tracking or insurance is included.

Outside the USA & Canada: Delivery times vary by destination and shipping method. Buyers are responsible for applicable duties, taxes and import fees. We cannot mark orders as gifts.

Frequently Asked Questions

Which Honda CDI numbers does CB125S unit 24-2028 replace?

The Rick's Motorsport Electrics CDI cross-references Honda 30400-437-023, 30400-446-000, 30400-437-003 and 30400-437-013.

Is the 1981-1982 CB125S CDI a direct plug-in unit?

Yes. One OEM-style direct-replacement CDI box is included for one compatible CB125S.

What should be checked before replacing the CDI box?

Check the spark plug and cap, ignition coil, pulse-source and stator readings, grounds, connectors and kill-switch circuit before condemning the CDI.

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