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1985 Honda CB650SC Nighthawk Switches & Sensors

Identify the switch involved before replacing electrical service parts on your 1985 Nighthawk. The rear brake-light switch, clutch-lever switch and oil-pressure switch monitor different conditions. Check the circuit and compare mounting or connector details before selecting one.

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Currently viewing Switches & Sensors

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Honda CB1100 CB1000 CB900 CB750 rear brake light switch 35350-KA2-405

Honda CB Rear Brake Light Switch ~ Replaces 35350-KA2-405

$22.18 USD
33-0024
1979 Honda CB750F Motorcycle Parts 1979 Honda CB750L Motorcycle Parts 1980 Honda CB750C Motorcycle Parts 1980 Honda CB750F Motorcycle Parts 1980 Honda CB750K Motorcycle Parts 1981 Honda CB750C Motorcycle Parts 1981 Honda CB750F Motorcycle Parts 1981 Honda CB750K 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 CB900F Motorcycle Parts 1983 Honda CB1000C Motorcycle Parts 1983 Honda CB1100F Motorcycle Parts 1983 Honda CB650SC Nighthawk Motorcycle Parts 1983 Honda CB750SC Motorcycle Parts 1984 Honda CB650SC Nighthawk Motorcycle Parts 1985 Honda CB650SC Nighthawk Motorcycle Parts Honda CB Electrical & Ignition Parts Honda CB OEM-Style Tail Lights & Parts Honda CB Switches & Sensors Honda CB1000 Motorcycle Parts by Model & Year Honda CB650 Motorcycle Parts by Model & Year Honda CB650SC Nighthawk Motorcycle Parts (1982–1985) 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 CB900F Supersport Motorcycle Parts (1981–1982) New Items Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83) Series 5: CB650 (79-82)
Ensure your brake light activates properly with this Rear Stop Light Switch, designed as a direct replacement for several original Honda rear brake switches....
Honda CB1100 CB1000 CB700 CB650 CB550 oil pressure switch

Honda CB Oil Pressure Switch ~ Genuine Honda OEM

$69.95 USD
99-5094
1982 Honda CB450T Hawk 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 CB450SC Nighthawk Motorcycle Parts 1985 Honda CB650SC Nighthawk Motorcycle Parts 1985 Honda CB700SC Motorcycle Parts 1986 Honda CB450SC Nighthawk Motorcycle Parts 1986 Honda CB700SC Motorcycle Parts 1994 Honda CB1000 Motorcycle Parts 1995 Honda CB1000 Motorcycle Parts Honda CB Electrical & Ignition Parts Honda CB Engine Parts Honda CB Oil Filters, Pumps & Oil System Parts Honda CB Switches & Sensors Honda CB1000 Motorcycle Parts by Model & Year Honda CB450 Motorcycle Parts by Model & Year Honda CB450SC Nighthawk Motorcycle Parts (1982–1986) Honda CB550 Motorcycle Parts by Model & Year Honda CB550SC Nighthawk Motorcycle Parts (1983–1984) Honda CB650 Motorcycle Parts by Model & Year Honda CB650SC Nighthawk Motorcycle Parts (1982–1985) Honda CB700SC Nighthawk Motorcycle Parts (1984–1986) Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83) Series 5: CB650 (79-82) Series 6: CB500-CB550 (71-78) Series 7: CB400-CB450 (65-86)
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Oil Pressure Switch — precision‑engineered and made in Japan. This authentic replacement part...
New
Honda CB1000 CB700 CB650 CB550 clutch lever switch 35330-MB0-003

Honda CB1000 / CB700 / CB650 / CB550 Clutch Lever Switch ~ Replaces 35330-MB0-003

$16.38 USD
29-0085
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 1994 Honda CB1000 Motorcycle Parts 1995 Honda CB1000 Motorcycle Parts Honda CB Brake & Clutch Levers and Cables Honda CB Brake & Clutch Parts Honda CB Electrical & Ignition Parts Honda CB Switches & Sensors 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 by Model & Year Honda CB650SC Nighthawk Motorcycle Parts (1982–1985) Honda CB700SC Nighthawk Motorcycle Parts (1984–1986) New Items Series 3: CB700-750SC (82-86) Series 4: CB900-1100 (80-83) Series 5: CB650 (79-82) Series 6: CB500-CB550 (71-78)
Replace your clutch lever switch with this Clutch Lever Switch, replacing OEM #35330-MB0-003.Key Features• Clutch lever switch• Replaces OEM #35330-MB0-003Fitment / Compatibility• Honda CB700SC...
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1985 Honda CB650SC Nighthawk · Switches & Sensors Buying guide

Match each switch to the symptom and circuit

The rear switch operates the brake light, the clutch-lever switch supplies the starting-interlock signal, and the oil-pressure switch serves the warning circuit. Test the affected circuit and compare the fitted connector and mounting before ordering.

Parts to consider

Honda CB Rear Brake Light Switch ~ Replaces 35350-KA2-405 Rear brake-light switchReplacement switch operated by the rear brake; listed for CB650SC 1983–85.View part Honda CB1000 / CB700 / CB650 / CB550 Clutch Lever Switch ~ Replaces 35330-MB0-003 Clutch starting-interlock switchClutch-lever starting-interlock switch, replacing reference 35330-MB0-003.View part Honda CB Oil Pressure Switch ~ Genuine Honda OEM Honda oil-pressure switchGenuine Honda switch with late-CB650SC application.View part

Check a switch in its circuit

A failed light or intermittent signal can have causes beyond the switch. Inspect the associated connectors and wiring as part of diagnosis, following the service manual. Match the replacement to the affected location rather than exchanging front and rear control parts by appearance.

Treat the oil warning as a diagnostic clue

The oil-pressure switch is a warning-system component. Replacing it cannot establish that actual engine oil pressure is satisfactory. Follow the manual’s checks for the warning and lubrication system before deciding a new switch is the appropriate repair. If the oil-pressure warning stays on with the engine running, stop the engine and have actual oil pressure checked before riding.

Ordering questions

Is the rear brake-light switch the correct choice for a changed pedal setup?

Compare its attachment, operating arrangement and connector with the installed pedal setup. The listed motorcycle application alone cannot establish suitability after the mechanism or wiring has been altered.

Is the oil-pressure switch a genuine Honda product?

Yes. This specific product is identified as genuine Honda. That description applies to this switch and should not be extended to every replacement electrical part in the category.

What should I compare for a replacement clutch switch?

Check the starting-interlock switch mounting at the clutch control and its connector. If the lever or control housing has been replaced, identify that fitted assembly before relying solely on model-year fitment.

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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