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1977 Honda CB750K Sprockets & Rear Mounting Hardware

Compare the listed 15-tooth front and 41-tooth rear 630-type sprockets for your 1977 Honda CB750K. Check the motorcycle’s fitted chain and tooth counts before ordering, then review the separate rear sprocket stud, nut and lock-washer packages.

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Honda CB750 rear sprocket washer set 94108-17000

1969-78 Honda CB750 Rear Sprocket Washer Set

$9.50 USD
29-7012
Replace your rear sprocket lock washers with this Rear Sprocket Tongued Lock Washer 2-pack, replacing OEM #94108-17000.Key Features• Rear sprocket tongued lock washer, 2-pack•...
Honda CB750A CB750F CB750K rear sprocket bolt and nut set 90128-341-000

1972-78 Honda CB750A / CB750F / CB750K Rear Sprocket Bolt & Nut Set ~ Replaces 90128-341-000

$13.95 USD
29-7023
Restore your rear sprocket hardware with this Rear Sprocket Stud Bolt (12 x 54) & Nut Set. Set includes 4 stud bolts and 4...
Honda CB750K steel front sprocket 15 tooth x 630 23801-405-010

1977-78 Honda CB750K Steel Front Sprocket ~ 15 Tooth X 630 ~ Replaces 23801-405-010

$34.95 USD
23-0403
Replace your late-'70s CB750K front sprocket with this Steel Front Sprocket, 15 tooth, for 630 chain setup as came stock. Replaces OEM #23801-405-010.Please count...
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Honda CB750 primary chain tensioner

1969-78 Honda CB750 Primary Chain Tensioner ~ Genuine Honda Brand

$219.95 USD
99-5460
Upgrade or restore your classic Honda motorcycle with this Primary Chain Tensioner — a genuine Honda brand part engineered for correct fit and dependable...
Honda CB750K steel rear sprocket 41 tooth x 630 type 41201-405-000

1977-78 Honda CB750K Steel Rear Sprocket ~ 41 Tooth X 630 Type ~ Replaces 41201-405-000

$59.95 USD
22-0304
Replace your late-'70s CB750K rear sprocket with this Steel Rear Sprocket, 41 tooth, for 630 chain setup. Replaces OEM #41201-405-000.Please count your sprocket teeth...
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1977 Honda CB750K · Sprockets Buying guide

Confirm chain type before choosing sprockets

The two sprocket listings specify 630 chain type. A motorcycle with a changed chain or gearing needs that fitted arrangement checked first; rear mounting hardware is supplied through separate packages.

Parts to consider

1977-78 Honda CB750K Steel Front Sprocket ~ 15 Tooth X 630 ~ Replaces 23801-405-010 15-tooth front sprocket, 630 typeSteel front sprocket listed for the 1977–78 CB750K; replaces reference 23801-405-010.View part 1977-78 Honda CB750K Steel Rear Sprocket ~ 41 Tooth X 630 Type ~ Replaces 41201-405-000 41-tooth rear sprocket, 630 typeSteel rear sprocket for the listed 630 arrangement; replaces reference 41201-405-000.View part 1972-78 Honda CB750A / CB750F / CB750K Rear Sprocket Bolt & Nut Set ~ Replaces 90128-341-000 Rear sprocket stud and nut setFour 12 × 54 stud bolts and four nuts for the wheel-flange to rear-sprocket mounting.View part

Related parts: Two rear sprocket lock washers

Check a previously modified chain drive

The listed front and rear sprockets are 15 and 41 teeth respectively, both for 630 chain. Do not choose them from the model year alone if the motorcycle has a chain conversion or different gearing. Compare the actual chain, sprocket tooth counts and chain length with the intended repair.

Keep mounting pieces on their own list

The rear hardware package contains four stud bolts and four nuts; the related tongued lock-washer package contains two washers. Those contents are separate from the sprocket listings. Check the existing wheel flange and mounting pieces, and follow the correct service instructions when assembling the rear sprocket.

Common questions

What chain type do the featured sprockets require?

Both listings specify 630 chain type: the front is 15 teeth and the rear is 41 teeth. Confirm the chain currently fitted, especially if a previous owner changed the chain drive or gearing.

Does the rear mounting set contain lock washers?

Its listed contents are four stud bolts and four nuts. The related rear sprocket tongued lock washers are a separate two-pack. Review both contents lists when replacing the mounting hardware.

Is the primary chain tensioner a rear sprocket part?

No. That tensioner belongs to the engine’s internal primary-chain system. Its appearance in a broad category filter does not make it rear sprocket hardware. Choose the wheel-drive sprockets and their mounting pieces for this repair.

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