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1979 Honda CB400TI Hawk I Piston Kits

The piston option for the 1979 Honda CB400TI Hawk I is a standard-size kit containing one piston and its accompanying components. Start with cylinder measurements, then work out whether the repair calls for one kit or both piston assemblies.

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Honda CB750 CB650 CB550 tappet adjuster screw and nut set 90012-426-000

Honda CB Tappet Adjuster Screw & Nut Set ~ Replaces 90012-426-000

$4.61 USD
49-0784
Replace your tappet adjuster screws and nuts with this Tappet Adjuster Screw & Nut Set. Each set includes one tappet adjuster screw and one...
Honda CB400TI std piston kit w rings and pin 13101-413-013

Piston Kit with Piston Rings and Pin ~ Standard Size (07-0187)

$69.95 USD
07-0187
Upgrade or rebuild your classic Honda motorcycle engine with this Standard Size Piston Kit — complete with piston, piston rings, and piston pin. This...
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1979 Honda CB400TI Hawk I · Piston Kits Buying guide

Confirm bore condition before buying pistons

One kit combines the piston, rings, pin and clips for one cylinder. The Hawk I twin needs two such kits for a complete two-piston replacement; standard-size suitability remains a separate decision.

Parts to consider

Piston Kit with Piston Rings and Pin ~ Standard Size (07-0187) Standard-Size Piston KitOne standard-size piston with its rings, pin and clips. Two kits cover both pistons when standard size is suitable.View part

Standard size is a purchase constraint

A model match alone cannot tell you whether an older engine has been rebored. Have its condition and bore size checked before ordering. The featured kit is described as standard size; no oversize option is established by the available variant.

Keep package count and engine count distinct

The package includes a piston, piston rings, pin and clips for one piston assembly. Order two packages for both cylinders when appropriate. Use the Honda service manual for clearances and fitting procedures, rather than choosing solely from the appearance of the old parts.

Ordering questions

Can I use this kit after a previous rebore?

Only if the measured bore and required clearances support the standard-size piston. A previous rebore may require another size; this product offers a standard-size kit, not a selectable oversize range.

How many kits replace both pistons?

Two. Each kit supplies one piston with its rings, pin and clips. That package count is matched to the Hawk I parallel-twin engine, rather than a four-cylinder order quantity.

Is this a rings-only purchase?

No. The featured choice is a piston kit including rings, pin and clips. If you intend to retain the pistons, identify a suitable rings-only option separately before ordering this larger package.

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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