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1982 Honda CB750C Piston Ring Sizes

Use the actual piston and bore measurements when buying rings for a 1982 CB750C. Earlier machine work can change the required size. Standard, first-oversize and second-oversize sets each cover one piston, so the measured engine and repair scope determine both size and quantity.

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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...
Sold out
Honda CB750 standard piston ring set 13011-425-004

1979-83 Honda CB750 Piston Ring Set ~ Standard Size

$24.95 USD
05-7500
Rebuild your DOHC CB750's top end with this Standard Size Piston Ring Set, Japanese made to superior quality and replacing OEM Ref. #13011-425-004. Matched...
Honda CB750 DOHC 1ST oversize piston ring set +0.25mm 13021-425-004

1979-83 Honda CB750 DOHC Piston Ring Set ~ 1st Oversize +0.25mm

$24.95 USD
05-7501
Run a 0.25mm oversize on your DOHC CB750 with this 1st Oversize Piston Ring Set (+0.25mm), Japanese made to superior quality and replacing OEM...
Honda CB750 DOHC 2ND oversize piston ring set +0.50mm 13031-425-004

1979-83 Honda CB750 DOHC Piston Ring Set ~ 2nd Oversize +0.50mm

$24.95 USD
05-7502
Rebuild your DOHC CB750 at 0.50mm oversize with this 2nd Oversize Piston Ring Set (+0.50mm), Japanese made to superior quality and replacing OEM Ref....
Honda CB750K CB750C CB750F 62mm std piston kit w rings and pin 13101-425-000

Standard Size (62mm) Piston Kit (07-0184)

$69.95 USD
07-0184
Upgrade or rebuild your classic Honda motorcycle engine with this Standard Size (62mm) Piston Kit — complete with piston, piston rings, piston pin, and...
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1982 Honda CB750C · Piston Ring Sizes Buying guide

Match the ring size to the finished bore

The available ring sets include standard, +0.25mm and +0.50mm choices. Each is a one-piston product. Separate pin clips have their own package count and should be assessed with any retained piston hardware.

Parts to consider

1979-83 Honda CB750 Piston Ring Set ~ Standard Size Standard ring set for one pistonOne-piston ring set; four sets service all four pistons. Match the measured bore and piston.View part 1979-83 Honda CB750 DOHC Piston Ring Set ~ 1st Oversize +0.25mm +0.25mm piston ring setFirst-oversize rings for one piston. Four sets are needed for all four pistons.View part 1979-83 Honda CB750 DOHC Piston Ring Set ~ 2nd Oversize +0.50mm +0.50mm piston ring setSecond-oversize rings for one piston. Match the serviced bore and piston size.View part

Measure before ordering oversize parts

The +0.25mm and +0.50mm choices are for corresponding piston and bore sizes. Establish the finished combination with the engine inspection or machining plan. Ring size should not be selected solely from a symptom such as smoke or low compression.

Separate ring and clip quantities

One ring set supplies one piston; four matching sets are needed when all four pistons of that size are serviced. The separate 15mm pin clips come two per pack. Check any piston-kit contents before adding retaining clips to the order.

Piston Ring Sizes questions

Will one ring set cover the full engine?

No. It covers one piston. Select the number required for the inspected repair and make sure each set matches the piston and finished bore at that position.

Should all four sets be the same size?

Confirm the measured engine before deciding. Earlier work may affect the parts fitted, so identify every piston and bore included in the job rather than assuming a uniform untouched engine.

When should I choose pin clips as well?

Check the retaining hardware required by the piston service and any clips already included in a selected piston package. The separate clip pack contains two 15mm clips.

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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