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1978 Honda CB400TII Hawk II Ignition Parts

A damaged plug cap and a worn key switch call for different ignition repairs on the 1978 Hawk II. Compare the cap connection or rectangular switch plug before ordering, especially where an earlier owner has changed leads, wiring or instruments.

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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 Ignition Systems, Ignition Switch, Coils, Plugs, Contact Points

Honda motorcycle parts

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Honda CB1100 CB1000 CB900 CB750 CB650 spark plug cap XD05F

Honda CB Spark Plug Cap ~ XD05F

$10.49 USD
23-3119
Replace your spark plug caps with this Spark Plug Cap, XD05F type. Two required per CB750. Key Features• Spark plug cap, XD05F• 2 required...
New
Honda CB450 CB400 ignition coil 30530-413-003

1978-82 Honda CB450 / CB400 Ignition Coil ~ Replaces 30530-413-003

$44.95 USD
17-4542
Replace your CB400 or CB450T ignition coil with this Ignition Coil, replacing OEM #30530-413-003.Sold each, order the quantity you need.Key Features• Ignition coil• Replaces...
New
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Honda CB450 CB400 ignition coil 30530-413-003

1978-82 Honda CB450 / CB400 Ignition Coil ~ Replaces 30530-413-003

$69.95 USD
24-2035
Replace your CB400 or CB450T ignition coil with this Rick's Electric Ignition Coil, replacing OEM #30530-413-003.Sold each, order the quantity you need.Key Features• Rick's...
Honda CB450 CB400 ignition switch 35100-MC0-671

1978-82 Honda CB450 / CB400 Ignition Switch ~ Replaces 35100-MC0-671

$24.95 USD
12-0053
Fit the rectangular connector block style ignition switch on your CB400 family bike with this Ignition Switch Assembly featuring a rectangular connector block with...
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1978 Honda CB400TII Hawk II · Ignition & Key Switch Buying guide

Choose the cap or key switch for the repair

The Hawk II uses CDI ignition. A replacement plug cap serves the high-tension lead, while the key switch connects through the main wiring. Check the relevant connection and mounting for each repair.

Parts to consider

Honda CB Spark Plug Cap ~ XD05F XD05F spark plug capXD05F-type replacement cap for the high-tension lead. Match the fitted cap, spark-plug terminal and available clearance before replacing a worn or damaged cap.View part 1978-82 Honda CB450 / CB400 Ignition Switch ~ Replaces 35100-MC0-671 Six-terminal ignition switchChoose this assembly for the rectangular connector with six flat male terminals. Compare the existing connector before ordering, especially if the wiring or top bridge has been changed.View part

Check both ends of the plug cap

Compare the XD05F cap with the plug terminal and the existing high-tension lead. Check its angle and clearance as well as the connection itself. If the lead has been changed or shortened during a previous repair, inspect that work before deciding which component needs replacement.

Inspect a replacement key switch at the plug

This key switch is intended for the rectangular six-terminal arrangement. A changed loom or previous switch repair can leave a different connector on a Hawk II. Check the housing, terminals and mounting before ordering; do not select a switch only because its key barrel looks similar.

Common buying questions

Is this a points-ignition tune-up kit?

The Hawk II has CDI ignition. The featured choices address the plug-cap connection and the key switch separately, so choose the component that matches the diagnosed fault and the equipment fitted to your motorcycle.

What should I check before replacing a plug cap?

Compare the XD05F cap with the fitted plug terminal, high-tension lead and available clearance. Inspect the existing connection before ordering so the replacement cap matches the components retained on the motorcycle.

What connector does the key switch need?

It uses a rectangular connector block with six flat male terminals. Compare the matching harness socket and mounting on your motorcycle, particularly if the original wiring or instrument bracket has been replaced.

Not sure which part you need?

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

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