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1980 Honda CB650C Custom Piston Rings & Pins

A standard-size ring set is useful only when the measured piston and bore still call for standard rings. The 1980 CB650C selection also includes piston pins and retaining clips, so separate wear parts from retaining hardware when planning the top-end order.

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Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

$1.95 USD
05-7201
Secure your piston pins with this 2-pack of 15mm Piston Pin Clips, Japanese made to superior quality and replacing OEM Ref. #94601-15000. Exceptionally broad...
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 CB650 CB650C CB650SC piston ring set (standard size) 13011-426-004

1979-82 Honda CB650 / CB650C / CB650SC Piston Ring Set (Standard Size) ~ Replaces 13011-426-004

$34.95 USD
73-1024
Rebuild your CB650 cylinders with this Standard-Size Piston Ring Set, OEM #13011-426-004 (Std.). Japanese-made, superior quality.Note: this set includes piston rings to rebuild one...
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Honda CB650 CB550 CB500 piston pin 13111-440-000

Honda CB Genuine Honda Piston Pin ~ OEM 13111-440-000 / 13111-286-000

$18.95 USD
99-5321
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Piston Pin — precision‑engineered and made in Japan. This authentic replacement fits and...
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1980 Honda CB650C Custom · Piston Rings & Pins Buying guide

Confirm piston size before counting ring sets

The available ring set covers one piston and uses reference 13011-426-004. Piston pins and two-packs of clips are separate items; they do not change the quantity supplied in the ring package.

Parts to consider

1979-82 Honda CB650 / CB650C / CB650SC Piston Ring Set (Standard Size) ~ Replaces 13011-426-004 Standard piston ringsOne standard-size ring set covers one piston. Four sets cover all four pistons.View part

Related parts: 15mm piston-pin clip pair

Measurements determine the order

A motorcycle’s model year cannot tell you whether an earlier owner rebored its engine. Have bore condition and piston clearance assessed before selecting standard rings. Use the correct service-manual checks rather than treating new rings as a cure for an unsuitable bore.

Order the retaining hardware separately

The separate pack contains two 15mm clips, reference 94601-15000, enough for one compatible piston. Four packs supply eight clips for all four pistons. Match the retaining arrangement on any aftermarket pistons before ordering; the standard ring set does not include these clips.

Piston Rings & Pins questions

How many ring sets cover four pistons?

Four one-piston sets are needed for all four pistons. Confirm that every piston uses the listed standard size before ordering four identical sets.

What should I check before selecting the pin clips?

Confirm the 15mm size and reference 94601-15000 against the fitted piston’s retaining arrangement, especially with aftermarket pistons. Replace clips whenever they are removed; the supplied pair serves one compatible piston.

Can standard rings correct an oversize bore?

Do not select rings on that basis. The piston and bore must be measured and matched to the appropriate ring specification before ordering or reassembly.

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

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