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1981 Honda CB900C Custom Steering Bearing Service

Identify the steering assembly and any previous bearing conversion before ordering for your 1981 CB900C Custom. The tapered kit includes upper and lower races, while the stem nut, washer and top lock nut remain separate hardware choices. Keep their positions clear during inspection and ordering.

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Honda motorcycle parts

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Honda CB1100 CB1000 CB900 CB750 steering bearing kit

Honda CB1100 / CB1000 / CB900 / CB750 Steering Bearing Kit

$59.95 USD
28-2006
1980 Honda CB750C Motorcycle Parts 1980 Honda CB750F Motorcycle Parts 1980 Honda CB750K Motorcycle Parts 1980 Honda CB900C Motorcycle Parts 1981 Honda CB750C Motorcycle Parts 1981 Honda CB750F Motorcycle Parts 1981 Honda CB750K Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1981 Honda CB900F Motorcycle Parts 1982 Honda CB750C Motorcycle Parts 1982 Honda CB750F Motorcycle Parts 1982 Honda CB750K Motorcycle Parts 1982 Honda CB750SC Motorcycle Parts 1982 Honda CB900C Motorcycle Parts 1982 Honda CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts 1983 Honda CB750SC Motorcycle Parts Honda CB Rims, Spokes, Wheel Bearings & Seals Honda CB Steering Bearings, Hardware & Dampers Honda CB Suspension & Wheel Parts Honda CB1000 Motorcycle Parts by Model & Year Honda CB750 DOHC Parts (1979–1982) Honda CB750 Motorcycle Parts by Model & Year Honda CB750C Custom Motorcycle Parts (1980–1982) Honda CB750F Motorcycle Parts (1975–1982) Honda CB750K Motorcycle Parts (1969–1982) Honda CB750SC Nighthawk Motorcycle Parts (1982–1986) Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Honda CB900F Supersport Motorcycle Parts (1981–1982) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83)
Upgrade your DOHC CB steering bearings with this Steering Bearing Kit. Tapered roller steering bearing conversion kit, superior to OEM quality with 10X the...
Honda CB1100 CB1000 CB900 CB750 steering stem washer 90503-425-000

Honda CB Steering Stem Washer ~ Replaces 90503-425-000

$5.80 USD
73-1127
1979 Honda CB650 Motorcycle Parts 1979 Honda CB750F Motorcycle Parts 1979 Honda CB750K Motorcycle Parts 1979 Honda CB750L Motorcycle Parts 1980 Honda CB650 Motorcycle Parts 1980 Honda CB650C Custom Motorcycle Parts 1980 Honda CB750C Motorcycle Parts 1980 Honda CB750F Motorcycle Parts 1980 Honda CB750K Motorcycle Parts 1980 Honda CB900C Motorcycle Parts 1981 Honda CB650 Motorcycle Parts 1981 Honda CB650C Custom Motorcycle Parts 1981 Honda CB750C Motorcycle Parts 1981 Honda CB750F Motorcycle Parts 1981 Honda CB750K Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1981 Honda CB900F Motorcycle Parts 1982 Honda CB650 Motorcycle Parts 1982 Honda CB650SC Nighthawk Motorcycle Parts 1982 Honda CB750C Motorcycle Parts 1982 Honda CB750F Motorcycle Parts 1982 Honda CB750K Motorcycle Parts 1982 Honda CB900C Motorcycle Parts 1982 Honda CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts 1983 Honda CB550SC Nighthawk Motorcycle Parts 1983 Honda CB650SC Nighthawk Motorcycle Parts 1984 Honda CB650SC Nighthawk Motorcycle Parts 1984 Honda CB700SC Motorcycle Parts 1985 Honda CB650SC Nighthawk Motorcycle Parts 1985 Honda CB700SC Motorcycle Parts 1986 Honda CB700SC Motorcycle Parts Honda CB Steering Bearings, Hardware & Dampers Honda CB Suspension & Wheel Parts Honda CB1000 Motorcycle Parts by Model & Year Honda CB550 Motorcycle Parts by Model & Year Honda CB550SC Nighthawk Motorcycle Parts (1983–1984) Honda CB650 Motorcycle Parts (1979–1982) Honda CB650 Motorcycle Parts by Model & Year Honda CB650C Custom Motorcycle Parts (1980–1981) Honda CB650SC Nighthawk Motorcycle Parts (1982–1985) Honda CB700SC Nighthawk Motorcycle Parts (1984–1986) Honda CB750 DOHC Parts (1979–1982) Honda CB750 Motorcycle Parts by Model & Year Honda CB750C Custom Motorcycle Parts (1980–1982) Honda CB750F Motorcycle Parts (1975–1982) Honda CB750K Motorcycle Parts (1969–1982) Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Honda CB900F Supersport Motorcycle Parts (1981–1982) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83) Series 5: CB650 (79-82) Series 6: CB500-CB550 (71-78)
Complete your steering assembly with this OEM-spec Steering Stem Washer, engineered for secure and precise fitment. A vital component when servicing or rebuilding your...
Honda CB1100 CB1000 CB900 steering stem head lock nut 90302-425-830

Honda CB Steering Stem Head Lock Nut ~ Replaces 90302-425-830

$8.95 USD
29-7025
1980 Honda CB750C Motorcycle Parts 1980 Honda CB750F Motorcycle Parts 1980 Honda CB750K Motorcycle Parts 1980 Honda CB900C Motorcycle Parts 1981 Honda CB750C Motorcycle Parts 1981 Honda CB750F Motorcycle Parts 1981 Honda CB750K Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1981 Honda CB900F Motorcycle Parts 1982 Honda CB750C Motorcycle Parts 1982 Honda CB750F Motorcycle Parts 1982 Honda CB750K Motorcycle Parts 1982 Honda CB750SC Motorcycle Parts 1982 Honda CB900C Motorcycle Parts 1982 Honda CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts 1983 Honda CB750SC Motorcycle Parts 1984 Honda CB700SC Motorcycle Parts 1985 Honda CB700SC Motorcycle Parts 1986 Honda CB700SC Motorcycle Parts 1994 Honda CB1000 Motorcycle Parts 1995 Honda CB1000 Motorcycle Parts Honda CB Steering Bearings, Hardware & Dampers Honda CB Suspension & Wheel Parts Honda CB1000 Motorcycle Parts by Model & Year Honda CB700SC Nighthawk Motorcycle Parts (1984–1986) Honda CB750 DOHC Parts (1979–1982) Honda CB750 Motorcycle Parts by Model & Year Honda CB750C Custom Motorcycle Parts (1980–1982) Honda CB750F Motorcycle Parts (1975–1982) Honda CB750K Motorcycle Parts (1969–1982) Honda CB750SC Nighthawk Motorcycle Parts (1982–1986) Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Honda CB900F Supersport Motorcycle Parts (1981–1982) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83)
Replace your steering stem head lock nut with this Steering Stem Head Top Thread-On Lock Nut, replacing OEM #90302-425-830.Key Features• Steering stem head top...
Honda CB1100 CB1000 CB900 CB750 CB700 steering stem nut 90304-425-000

Honda CB Steering Stem Nut ~ Replaces 90304-425-000

$8.95 USD
73-1128
1979 Honda CB650 Motorcycle Parts 1979 Honda CB750F Motorcycle Parts 1979 Honda CB750K Motorcycle Parts 1979 Honda CB750L Motorcycle Parts 1980 Honda CB650 Motorcycle Parts 1980 Honda CB650C Custom Motorcycle Parts 1980 Honda CB750C Motorcycle Parts 1980 Honda CB750F Motorcycle Parts 1980 Honda CB750K Motorcycle Parts 1980 Honda CB900C Motorcycle Parts 1981 Honda CB650 Motorcycle Parts 1981 Honda CB650C Custom Motorcycle Parts 1981 Honda CB750C Motorcycle Parts 1981 Honda CB750F Motorcycle Parts 1981 Honda CB750K Motorcycle Parts 1981 Honda CB900C Motorcycle Parts 1981 Honda CB900F Motorcycle Parts 1982 Honda CB650 Motorcycle Parts 1982 Honda CB650SC Nighthawk Motorcycle Parts 1982 Honda CB750C Motorcycle Parts 1982 Honda CB750F Motorcycle Parts 1982 Honda CB750K Motorcycle Parts 1982 Honda CB900C Motorcycle Parts 1982 Honda CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts 1983 Honda CB550SC Nighthawk Motorcycle Parts 1983 Honda CB650SC Nighthawk Motorcycle Parts 1984 Honda CB650SC Nighthawk Motorcycle Parts 1984 Honda CB700SC Motorcycle Parts 1985 Honda CB650SC Nighthawk Motorcycle Parts 1985 Honda CB700SC Motorcycle Parts 1986 Honda CB700SC Motorcycle Parts Honda CB Steering Bearings, Hardware & Dampers Honda CB Suspension & Wheel Parts Honda CB1000 Motorcycle Parts by Model & Year Honda CB550 Motorcycle Parts by Model & Year Honda CB550SC Nighthawk Motorcycle Parts (1983–1984) Honda CB650 Motorcycle Parts (1979–1982) Honda CB650 Motorcycle Parts by Model & Year Honda CB650C Custom Motorcycle Parts (1980–1981) Honda CB650SC Nighthawk Motorcycle Parts (1982–1985) Honda CB700SC Nighthawk Motorcycle Parts (1984–1986) Honda CB750 DOHC Parts (1979–1982) Honda CB750 Motorcycle Parts by Model & Year Honda CB750C Custom Motorcycle Parts (1980–1982) Honda CB750F Motorcycle Parts (1975–1982) Honda CB750K Motorcycle Parts (1969–1982) Honda CB900 Motorcycle Parts by Model & Year Honda CB900C Custom Motorcycle Parts (1980–1982) Honda CB900F Supersport Motorcycle Parts (1981–1982) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83) Series 5: CB650 (79-82) Series 6: CB500-CB550 (71-78)
Ensure your front end stays tight and aligned with this high-quality Steering Stem Nut. Designed to match the factory OEM specifications, this nut is...
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1981 Honda CB900C Custom · Steering Bearing Service Buying guide

Plan the bearing conversion and stem hardware separately

The listed tapered-bearing kit and separate stem hardware solve different problems. Keep upper and lower bearings and races identified, and inspect the stem threads before deciding whether the repair needs bearings, fasteners or both.

Parts to consider

Honda CB1100 / CB1000 / CB900 / CB750 Steering Bearing Kit Tapered steering-bearing kitJapanese-made conversion kit with upper and lower tapered bearing races.View part Honda CB Steering Stem Nut ~ Replaces 90304-425-000 Steering-stem nutIndividual nut, reference 90304-425-000; washer supplied separately.View part Honda CB Steering Stem Washer ~ Replaces 90503-425-000 Steering-stem washerIndividual washer, reference 90503-425-000.View part

Related parts: Steering head lock nut

Inspect beyond the bearing surfaces

The kit supplies upper and lower tapered bearing races. Check the surrounding steering assembly and follow the proper installation and adjustment method. A new bearing kit does not establish that damaged stem threads or unrelated fasteners can be retained.

Use references to separate the fasteners

The top stem nut 90304-425-000 uses the separately listed washer 90503-425-000. Honda also shows a thread B nut, locking washer and bearing-adjustment nut below the top bridge. Match each position carefully; the listed top-nut washer should not be mistaken for the separate locking washer.

Buying questions

Will a new stem nut cure notchy steering?

A nut does not repair damaged bearing surfaces. Honda calls for bearing and race inspection and replacing the bearing with its matching races when needed. Diagnose the roughness before choosing hardware alone, and use the steering adjustment procedure after the repair.

Is the top-nut washer the locking washer below the bridge?

They occupy different positions. Honda shows a separate locking washer with the lower steering nuts. The listed 90503-425-000 washer belongs with the top stem nut; identify the removed part from the assembly diagram before ordering.

How do I distinguish the two listed nuts?

Use the part references and assembly positions: 90304-425-000 is the stem nut, while 90302-425-830 is the top thread-on lock nut. Compare the service diagram and removed hardware.

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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