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1980 Honda CB900C — Soupapes et composants de distribution

The 1980 CB900C Custom valvetrain needs measured clearances and position-specific parts. Compare individual 25mm shims with the 20-piece assortment, then treat guide or stem-seal work as a separate cylinder-head repair rather than an automatic addition to adjustment parts.

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Consultation en cours Soupapes et composants de distribution

Pièces pour motos Honda

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Honda CB1100 CB1000 CB900 CB750 valve shim 2.65

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.65

$8.19 USD
17-9265
Dial in valve clearances with this Valve Shim, 2.65 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 2.65 size• 25mm...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.70

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.70

$8.19 USD
17-9270
Tune your valve clearances with this Valve Shim, 2.70 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 2.70 size• 25mm...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.75

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.75

$8.19 USD
17-9275
Adjust your valve clearances with this Valve Shim, 2.75 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 2.75 size• 25mm...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.80

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.80

$9.38 USD
17-9280
Fit a 2.80 valve shim on your DOHC CB with this Valve Shim, 2.80 size, 25mm diameter.Sold each, order the quantity you need.Key Features•...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.85

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.85

$9.38 USD
17-9285
Tune your valve clearances with this Valve Shim, 2.85 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 2.85 size• 25mm...
Épuisé
Honda CB1100 CB1000 CB900 CB750 valve shim 2.60

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.60

$8.19 USD
17-9260
Fit a 2.60 valve shim on your DOHC CB with this Valve Shim, 2.60 size, 25mm diameter.Sold each, order the quantity you need.Key Features•...
Épuisé
Honda CB1100 CB1000 CB900 CB750 valve shim kit

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim Kit

$159.95 USD
73-0172
Service your DOHC CB valves with this 20-Piece Valve Shim Kit with plastic case. 25mm diameter valve shims. Includes 2 of each of the...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.90

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.90

$9.38 USD
17-9290
Dial in your DOHC CB's valve clearances with this Valve Shim, 2.90 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim•...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.95

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.95

$9.38 USD
17-9295
Fit a 2.95 valve shim on your DOHC CB with this Valve Shim, 2.95 size, 25mm diameter.Sold each, order the quantity you need.Key Features•...
Honda CB1100 CB1000 CB900 CB750 valve shim 3.00

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 3.00

$9.38 USD
17-9300
Fit a 3.00 valve shim with this Valve Shim, 3.00 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 3.00 size•...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.55

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.55

$8.19 USD
17-9255
Fit a 2.55 valve shim on your DOHC CB with this Valve Shim, 2.55 size, 25mm diameter.Sold each, order the quantity you need.Key Features•...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.50

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.50

$8.19 USD
17-9250
Fit a 2.50 valve shim on your DOHC CB with this Valve Shim, 2.50 size, 25mm diameter.Sold each, order the quantity you need.Key Features•...
Honda CB1100 CB1000 CB900 exhaust valve 14721-438-000

1980-83 Honda CB1100 / CB1000 / CB900 Exhaust Valve ~ Replaces 14721-438-000

$26.95 USD
73-0984
Replace your exhaust valve with this Exhaust Valve, replacing OEM #14721-438-000. Made in Japan.Key Features• Exhaust valve• Replaces OEM #14721-438-000• Made in Japan• Honda...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.30

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.30

$7.00 USD
17-9230
Dial in your DOHC CB's valve clearances with this Valve Shim, 2.30 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim•...
Épuisé
Honda CB1100 CB1000 CB900 CB750 high performance kibblewhite valve spring set

Honda CB1100 / CB1000 / CB900 / CB750 High Performance Kibblewhite Valve Spring Set

$199.95 USD
73-1013
Upgrade your valve springs with this High-Performance Kibblewhite Valve Spring Set of 16. Made in the USA by Kibblewhite, who have been making high-quality...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.40

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.40

$7.00 USD
17-9240
Fit a 2.40 valve shim on your DOHC CB with this Valve Shim, 2.40 size, 25mm diameter.Sold each, order the quantity you need.Key Features•...
Épuisé
Honda CB1100 CB1000 CB900 CB750 valve shim 2.35

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.35

$7.00 USD
17-9235
Adjust your valve clearances with this Valve Shim, 2.35 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 2.35 size• 25mm...
Honda CB1100 CB1000 CB900 CB750 valve shim 2.45

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 2.45

$8.19 USD
17-9245
Tune your valve clearances with this Valve Shim, 2.45 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 2.45 size• 25mm...
Épuisé
Honda CB1100 CB1000 CB900 CB750 high performance kibblewhite valve stem seal set

Honda CB1100 / CB1000 / CB900 / CB750 High Performance Kibblewhite Valve Stem Seal Set

$89.95 USD
73-1022
Upgrade your valve stem seals with this High-Performance Kibblewhite 100% Viton Valve Stem Seal Set of 16. Made in the USA by Kibblewhite, who...
Honda CB1100 CB1000 CB900 CB750 valve shim 3.05

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 3.05

$9.38 USD
17-9305
Tune your DOHC CB's valve clearances with this Valve Shim, 3.05 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 3.05...
Honda CB1100 CB1000 CB900 CB750 valve spring retainer 14771-329-000

Honda CB1100 / CB1000 / CB900 / CB750 Valve Spring Retainer ~ Replaces 14771-329-000

$7.00 USD
73-1124
Ensure reliable top-end performance with this high-quality Valve Spring Retainer, designed to OEM specifications. It maintains proper valve spring alignment and is built for...
Honda CB1100 CB1000 CB900 CB750 valve shim 3.10

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim ~ 3.10

$9.38 USD
17-9310
Fit the largest standard valve shim with this Valve Shim, 3.10 size, 25mm diameter.Sold each, order the quantity you need.Key Features• Valve shim• 3.10...
Honda CB1100 CB1000 CB900 intake valve 14711-MB0-000

1980-83 Honda CB1100 / CB1000 / CB900 Intake Valve ~ Replaces 14711-MB0-000

$17.95 USD
73-0983
Replace your intake valve with this Intake Valve, replacing OEM #14711-MB0-000. Made in Japan.Key Features• Intake valve• Replaces OEM #14711-MB0-000• Made in Japan• Honda...
Épuisé
Honda CB1100 CB1000 CB900 CB750 high performance kibblewhite intake exhaust valve guide

Honda CB1100 / CB1000 / CB900 / CB750 High Performance Kibblewhite Intake/Exhaust Valve Guide

$49.95 USD
73-1014
Upgrade your valve guides with this High-Performance Kibblewhite Intake or Exhaust Valve Guide (standard size). Made in the USA by Kibblewhite, who have been...
Honda CB750 CB900 CB1100 valve stem seal 12209-422-005

Honda CB750 / CB900 / CB1100 Valve Stem Seal

$10.95 USD
01-0135
Service your late-model CB's top end with this Valve Stem Seal, replacing OEM Ref. #12209-422-005 and made in Japan. Fits a wide range of...
Comparer

1980 Honda CB900C Custom · Valvetrain Parts Buying guide

Measure cold clearances before selecting shims

The CB900C’s 16 valves use shim adjustment. Record each cold clearance and the thickness of its installed shim; the 25mm diameter identifies the shim format, while thickness determines the adjustment. Stem seals and guides belong to separate cylinder-head repair decisions.

Parts to consider

Honda CB1100 / CB1000 / CB900 / CB750 Valve Shim Kit 20-piece valve-shim kit25mm-diameter shims in ten specified sizes, two of each, supplied in a plastic case.Voir la pièce Honda CB750 / CB900 / CB1100 Valve Stem Seal Individual valve-stem sealJapanese-made replacement seal, sold each; 16 seals are specified per motorcycle.Voir la pièce Honda CB1100 / CB1000 / CB900 / CB750 High Performance Kibblewhite Intake/Exhaust Valve Guide Kibblewhite valve guideStandard-size C63000 bronze guide, sold individually. Shoulder-style design does not use separate OEM-style guide clips.Voir la pièce

Pièces connexes : 2.70 valve shim

Check the assortment against the actual shim list

The kit contains two each of 2.30, 2.40, 2.50, 2.55, 2.60, 2.70, 2.80, 2.90, 3.00 and 3.10mm. Honda’s selection method uses the measured clearance and removed shim thickness. A size missing from this assortment may need an individual purchase; do not fit the nearest convenient size.

Treat guide replacement as precision head work

Honda requires guide and valve-stem measurements, sizing of a newly installed guide and valve-seat work. Have the machine shop check the head bore as well as stem clearance before choosing a standard-size aftermarket guide. The featured Kibblewhite guide has a shoulder and does not use separate stock-style guide clips.

Buying questions

Can I adjust the valves while the engine is warm?

Use the cold-engine check specified by Honda, below 35°C/95°F, with the correct cam positions. A warm measurement can lead to the wrong shim choice. Recheck clearance after the replacement shim is seated using the workshop procedure.

Does the shim kit guarantee every thickness needed?

No. Compare your calculated requirements with the ten listed thicknesses and two-of-each quantities. Honda’s range extends beyond this particular assortment, and individual valves can need different sizes.

Will new valve-stem seals fix worn guides?

They control oil at the stem, but they do not restore excessive stem-to-guide clearance. Measure the valves and guides before selecting seals or guides; guide fitting and seat alignment need a properly equipped cylinder-head shop.

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Catégories de pièces pour 1980 Honda CB900C

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