Honda CB400 CM400 CB450 CM450 CDi Unit


Honda CB400 CM400 CB450 CM450 CDi Unit

Product no.: CM4

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£99.95
Price includes VAT, plus delivery


Improved Design - Complete With Mounting Bracket - Correct Connectors - No Set Up

New replacement CDi unit for the Honda CB400/450 & CM400/450 twins that have "TIA01-20" stamped on the cdi unit. Redesigned to address the weakness that casues power loss in the high rev range, the timing curve matches the original perfectly.  We use updated designs & modern components for maximum performance and reliability.

The unit comes with new connectors and leads, no soldering needed, simply fit and forget.

  • Correct connectors - simply plug in - no soldering
  • Professionally manufactured
  • Temperature compensated to reduce timing drift caused by engine heat
  • Timing curve set to exactly match the original
  • Redesigned to fix the weakness in the original box
  • Restores power in the high rev range.
  • 9 wire unit specifically for the 400/450 twins.

Applicable to these Honda part numbers: 30400-MC9-831, 30400-443-005 & 30400-443-015. Fits the following models


1978-1984 CB400N & ND models, UK, Europe & German full power version.

1979-81 CM400 Models T, E & C - USA - Manual transmission.

1978-81 CB400T Canandian, European, Austarailian & USA Hawk models.

1982-86 CB450, T,C & SC models

1982-83 CM450 C & E models

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