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1968 Honda CB450K Front Sprockets & Lock Plate

Front-sprocket shopping for a 1968 Honda CB450K starts with the installed tooth count and chain requirements. The 15-tooth and 17-tooth choices should be compared as distinct specifications, while the lock plate and its two bolts form a separate retaining-hardware purchase.

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Honda CB750 CB650 CB550 front sprocket lock plate set 23811-292-000

Honda CB Front Sprocket Lock Plate Set ~ Replaces 23811-292-000

$5.95 USD
49-0782
Replace your front sprocket lock plate with this Front Sprocket Lock Plate with 2 lock plate bolts. Always good to replace these when installing...
Honda CB750 CB450 CB400 CB350 CL450K0 steel front sprocket 17 tooth

Honda CB Steel Front Sprocket ~ 17 Tooth

$23.45 USD
99-4817
Front sprocket designed for a range of Honda models. A critical drivetrain component, it transfers power from the engine to the chain, making proper...
New
Honda CB500 CB450 CL450K0 front sprocket 15 tooth 23801-348-690

Honda CB Front Sprocket ~ 15 Tooth ~ Replaces 23801-348-690

$23.95 USD
99-4807
15 tooth front sprocket designed as a direct replacement for the original Honda component, matching OEM reference 23801-348-690. Plays a key role in final...
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1968 Honda CB450K · Sprockets Buying guide

Confirm the tooth count before selecting

The 17-tooth listing expressly notes that some CB450K applications used 15 teeth. Both sprocket products are sold individually. Compare the fitted arrangement and required gearing before choosing; the separate lock-plate set includes two bolts.

Parts to consider

Honda CB Front Sprocket ~ 15 Tooth ~ Replaces 23801-348-690 15-tooth front sprocketFront sprocket listed against Honda 23801-348-690. Sold individually; compare installed tooth count and chain requirements.View part Honda CB Steel Front Sprocket ~ 17 Tooth 17-tooth steel front sprocketSteel front sprocket sold individually. Its listing warns that some CB450K applications used 15 teeth.View part Honda CB Front Sprocket Lock Plate Set ~ Replaces 23811-292-000 Front sprocket lock-plate setLock plate with two bolts. References Honda 23811-292-000 for the plate and 92101-06016-0A for the bolts.View part

Separate replacement from a gearing change

Replacing an existing sprocket with the same specification is a different decision from changing tooth count. Identify the installed front and rear arrangement, chain requirements and intended gearing before choosing. The two front options do not establish which setup is correct for every motorcycle carrying the same model year.

Check the retention parts in the same order

The lock plate and two bolts are offered as their own set. Compare the fitted retention arrangement and inspect the removed hardware when planning the sprocket order. Do not assume a sprocket purchase includes that set or that a bolt reference alone proves the whole mounting arrangement.

Buying questions

Does the 1968 model year establish a 17-tooth sprocket?

The 17-tooth listing warns that some CB450K applications used 15 teeth. Count the installed teeth and confirm the required specification before ordering. The available alternatives do not prove the motorcycle’s original or currently correct gearing.

Can I choose a different tooth count without further checks?

Compare the fitted chain, mounting arrangement and intended final-drive specification first. The listings specifically call for tooth-count and chain checks. They do not establish that changing between 15 and 17 teeth suits every existing setup.

What comes with the lock-plate set?

The stated contents are one front sprocket lock plate and two bolts, with separate Honda references for the plate and bolts. It is a retaining-hardware set, not a sprocket or a complete chain-and-sprocket package.

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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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