Carburetor small parts on the 1981 CB650C include several different package types: a float with pin, twelve connector-tube O-rings and a conditional pump-diaphragm kit. Identify the exact service location before ordering, and measure the pump pin rather than selecting it from the model label alone.
1979 Honda CB750F Motorcycle Parts1979 Honda CB750K Motorcycle Parts1980 Honda CB750C Motorcycle Parts1980 Honda CB750F Motorcycle Parts1980 Honda CB750K Motorcycle Parts1980 Honda CB900C Motorcycle Parts1981 Honda CB650 Motorcycle Parts1981 Honda CB650C Custom Motorcycle Parts1981 Honda CB750C Motorcycle Parts1981 Honda CB750F Motorcycle Parts1981 Honda CB750K Motorcycle Parts1981 Honda CB900C Motorcycle Parts1981 Honda CB900F Motorcycle Parts1982 Honda CB650 Motorcycle Parts1982 Honda CB750C Motorcycle Parts1982 Honda CB750F Motorcycle Parts1982 Honda CB750K Motorcycle Parts1982 Honda CB750SC Motorcycle Parts1982 Honda CB900C Motorcycle Parts1982 Honda CB900F Motorcycle Parts1983 Honda CB1000C Motorcycle Parts1983 Honda CB1100F Motorcycle PartsHonda CB Carburetor Floats & ComponentsHonda CB Fuel System & Carburetor PartsHonda CB1000 Motorcycle Parts by Model & YearHonda CB650 Motorcycle Parts (1979–1982)Honda CB650 Motorcycle Parts by Model & YearHonda CB650C Custom Motorcycle Parts (1980–1981)Honda CB750 DOHC Parts (1979–1982)Honda CB750 Motorcycle Parts by Model & YearHonda 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 & YearHonda 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)
Replace your carb fuel and accelerator tube O-rings with these Carburetor Fuel Connector Tube and Accelerator Tube O-Rings, 12 O-rings.Key Features• Carb fuel connector...
1980 Honda CB400TA Motorcycle Parts1980 Honda CB750C Motorcycle Parts1980 Honda CB750F Motorcycle Parts1980 Honda CB750K Motorcycle Parts1980 Honda CB900C Motorcycle Parts1981 Honda CB400TB Motorcycle Parts1981 Honda CB650 Motorcycle Parts1981 Honda CB650C Custom Motorcycle Parts1981 Honda CB750C Motorcycle Parts1981 Honda CB750F Motorcycle Parts1981 Honda CB750K Motorcycle Parts1981 Honda CB900C Motorcycle Parts1981 Honda CB900F Motorcycle Parts1982 Honda CB450SC Nighthawk Motorcycle Parts1982 Honda CB450T Hawk Motorcycle Parts1982 Honda CB650 Motorcycle Parts1982 Honda CB650SC Nighthawk Motorcycle Parts1982 Honda CB750C Motorcycle Parts1982 Honda CB750F Motorcycle Parts1982 Honda CB750K Motorcycle Parts1982 Honda CB750SC Motorcycle Parts1982 Honda CB900C Motorcycle Parts1982 Honda CB900F Motorcycle Parts1983 Honda CB1000C Motorcycle Parts1983 Honda CB1100F Motorcycle Parts1983 Honda CB450SC Nighthawk Motorcycle Parts1983 Honda CB750SC Motorcycle Parts1985 Honda CB450SC Nighthawk Motorcycle Parts1986 Honda CB450SC Nighthawk Motorcycle PartsHonda CB Carburetor Floats & ComponentsHonda CB Fuel System & Carburetor PartsHonda CB1000 Motorcycle Parts by Model & YearHonda CB400 Motorcycle Parts by Model & YearHonda CB400T Hawk Motorcycle Parts (1978–1981)Honda CB450 Motorcycle Parts by Model & YearHonda CB450SC Nighthawk Motorcycle Parts (1982–1986)Honda CB650 Motorcycle Parts (1979–1982)Honda CB650 Motorcycle Parts by Model & YearHonda CB650C Custom Motorcycle Parts (1980–1981)Honda CB650SC Nighthawk Motorcycle Parts (1982–1985)Honda CB750 DOHC Parts (1979–1982)Honda CB750 Motorcycle Parts by Model & YearHonda 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 & YearHonda 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 7: CB400-CB450 (65-86)
Replace your 1980+ DOHC CB carb float with this Carb Float with Pin, replacing OEM #16013-413-851. Broad fitment across the 1980-82 CB750 family, CB750SC...
1976 Honda CB750A Motorcycle Parts1977 Honda CB550F Supersport Motorcycle Parts1977 Honda CB550K Motorcycle Parts1977 Honda CB750A Motorcycle Parts1977 Honda CB750F Motorcycle Parts1977 Honda CB750K Motorcycle Parts1978 Honda CB125S5 Motorcycle Parts1978 Honda CB400A Motorcycle Parts1978 Honda CB400TI Motorcycle Parts1978 Honda CB400TII Motorcycle Parts1978 Honda CB550K Motorcycle Parts1978 Honda CB750A Motorcycle Parts1978 Honda CB750F Motorcycle Parts1978 Honda CB750K Motorcycle Parts1979 Honda CB125S Motorcycle Parts1979 Honda CB400TIIZ Motorcycle Parts1979 Honda CB400TIZ Motorcycle Parts1979 Honda CB650 Motorcycle Parts1979 Honda CB750F Motorcycle Parts1979 Honda CB750K Motorcycle Parts1979 Honda CB750L Motorcycle Parts1980 Honda CB400TA Motorcycle Parts1980 Honda CB650 Motorcycle Parts1980 Honda CB650C Custom Motorcycle Parts1980 Honda CB750C Motorcycle Parts1980 Honda CB750F Motorcycle Parts1980 Honda CB750K Motorcycle Parts1980 Honda CB900C Motorcycle Parts1981 Honda CB400TB Motorcycle Parts1981 Honda CB650 Motorcycle Parts1981 Honda CB650C Custom Motorcycle Parts1981 Honda CB750C Motorcycle Parts1981 Honda CB750F Motorcycle Parts1981 Honda CB750K Motorcycle Parts1981 Honda CB900C Motorcycle Parts1981 Honda CB900F Motorcycle Parts1982 Honda CB450SC Nighthawk Motorcycle Parts1982 Honda CB450T Hawk Motorcycle Parts1982 Honda CB650 Motorcycle Parts1982 Honda CB650SC Nighthawk Motorcycle Parts1982 Honda CB750C Motorcycle Parts1982 Honda CB750F Motorcycle Parts1982 Honda CB750K Motorcycle Parts1982 Honda CB750SC Motorcycle Parts1982 Honda CB900C Motorcycle Parts1982 Honda CB900F Motorcycle Parts1983 Honda CB1000C Motorcycle Parts1983 Honda CB1100F Motorcycle Parts1983 Honda CB450SC Nighthawk Motorcycle Parts1983 Honda CB550SC Nighthawk Motorcycle Parts1983 Honda CB650SC Nighthawk Motorcycle Parts1983 Honda CB750SC Motorcycle Parts1984 Honda CB450SC Nighthawk Motorcycle Parts1984 Honda CB650SC Nighthawk Motorcycle Parts1984 Honda CB700SC Motorcycle Parts1985 Honda CB450SC Nighthawk Motorcycle Parts1985 Honda CB650SC Nighthawk Motorcycle Parts1985 Honda CB700SC Motorcycle Parts1986 Honda CB450SC Nighthawk Motorcycle PartsHonda CB Carburetor Floats & ComponentsHonda CB Fuel System & Carburetor PartsHonda CB1000 Motorcycle Parts by Model & YearHonda CB125 Motorcycle Parts by Model & YearHonda CB125S Motorcycle Parts (1973–1985)Honda CB400 Motorcycle Parts by Model & YearHonda CB400T Hawk Motorcycle Parts (1978–1981)Honda CB450 Motorcycle Parts by Model & YearHonda CB450SC Nighthawk Motorcycle Parts (1982–1986)Honda CB550 Motorcycle Parts by Model & YearHonda CB550F Motorcycle Parts (1975–1977)Honda CB550K Motorcycle Parts (1974–1978)Honda CB550SC Nighthawk Motorcycle Parts (1983–1984)Honda CB650 Motorcycle Parts (1979–1982)Honda CB650 Motorcycle Parts by Model & YearHonda 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 & YearHonda CB750 SOHC Parts (1969–1978)Honda CB750A Hondamatic Motorcycle Parts (1976–1978)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 & YearHonda CB900C Custom Motorcycle Parts (1980–1982)Honda CB900F Supersport Motorcycle Parts (1981–1982)Series 10: CB72-CB250 (59-85)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)
Replace your stock-type float bowl drain screw with this Float Bowl Drain Screw with O-Ring for the later DOHC and Nighthawk lineup.Note: sold each,...
1979 Honda CB750F Motorcycle Parts1979 Honda CB750L Motorcycle Parts1980 Honda CB650C Custom Motorcycle Parts1980 Honda CB750C Motorcycle Parts1980 Honda CB750F Motorcycle Parts1980 Honda CB750K Motorcycle Parts1980 Honda CB900C Motorcycle Parts1981 Honda CB650 Motorcycle Parts1981 Honda CB650C Custom Motorcycle Parts1981 Honda CB750C Motorcycle Parts1981 Honda CB750F Motorcycle Parts1981 Honda CB750K Motorcycle Parts1981 Honda CB900C Motorcycle Parts1981 Honda CB900F Motorcycle Parts1982 Honda CB650 Motorcycle Parts1982 Honda CB650SC Nighthawk Motorcycle Parts1982 Honda CB750C Motorcycle Parts1982 Honda CB750F Motorcycle Parts1982 Honda CB750K Motorcycle Parts1982 Honda CB750SC Motorcycle Parts1982 Honda CB900C Motorcycle Parts1982 Honda CB900F Motorcycle Parts1983 Honda CB1000C Motorcycle Parts1983 Honda CB1100F Motorcycle Parts1983 Honda CB550SC Nighthawk Motorcycle Parts1983 Honda CB650SC Nighthawk Motorcycle Parts1983 Honda CB750SC Motorcycle Parts1984 Honda CB650SC Nighthawk Motorcycle Parts1985 Honda CB650SC Nighthawk Motorcycle PartsHonda CB Carburetor Floats & ComponentsHonda CB Fuel System & Carburetor PartsHonda CB1000 Motorcycle Parts by Model & YearHonda CB550 Motorcycle Parts by Model & YearHonda CB550SC Nighthawk Motorcycle Parts (1983–1984)Honda CB650 Motorcycle Parts (1979–1982)Honda CB650 Motorcycle Parts by Model & YearHonda CB650C Custom Motorcycle Parts (1980–1981)Honda CB650SC Nighthawk Motorcycle Parts (1982–1985)Honda CB750 DOHC Parts (1979–1982)Honda CB750 Motorcycle Parts by Model & YearHonda 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 & YearHonda 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)
Replace worn or missing felt throttle and choke shaft seals during carburetor service on compatible vintage Honda CB models. These felt seals are used...
1979 Honda CB750F Motorcycle Parts1979 Honda CB750L Motorcycle Parts1980 Honda CB750C Motorcycle Parts1980 Honda CB750F Motorcycle Parts1980 Honda CB750K Motorcycle Parts1980 Honda CB900C Motorcycle Parts1981 Honda CB650 Motorcycle Parts1981 Honda CB650C Custom Motorcycle Parts1981 Honda CB750C Motorcycle Parts1981 Honda CB750F Motorcycle Parts1981 Honda CB750K Motorcycle Parts1981 Honda CB900C Motorcycle Parts1981 Honda CB900F Motorcycle Parts1982 Honda CB650 Motorcycle Parts1982 Honda CB650SC Nighthawk Motorcycle Parts1982 Honda CB750C Motorcycle Parts1982 Honda CB750F Motorcycle Parts1982 Honda CB750K Motorcycle Parts1982 Honda CB750SC Motorcycle Parts1982 Honda CB900C Motorcycle Parts1982 Honda CB900F Motorcycle Parts1983 Honda CB1000C Motorcycle Parts1983 Honda CB1100F Motorcycle Parts1983 Honda CB550SC Nighthawk Motorcycle Parts1983 Honda CB650SC Nighthawk Motorcycle Parts1983 Honda CB750SC Motorcycle Parts1984 Honda CB650SC Nighthawk Motorcycle Parts1985 Honda CB650SC Nighthawk Motorcycle PartsHonda CB Carburetor Floats & ComponentsHonda CB Fuel System & Carburetor PartsHonda CB1000 Motorcycle Parts by Model & YearHonda CB550 Motorcycle Parts by Model & YearHonda CB550SC Nighthawk Motorcycle Parts (1983–1984)Honda CB650 Motorcycle Parts (1979–1982)Honda CB650 Motorcycle Parts by Model & YearHonda CB650C Custom Motorcycle Parts (1980–1981)Honda CB650SC Nighthawk Motorcycle Parts (1982–1985)Honda CB750 DOHC Parts (1979–1982)Honda CB750 Motorcycle Parts by Model & YearHonda 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 & YearHonda 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)
Replace worn or missing felt throttle shaft seals on Keihin PD carburetors. These felt seals are used during carburetor service or restoration to help...
The float references 16013-413-851 and four are used per motorcycle. The pump diaphragm requires an 89mm end-to-end pin for this application, while the twelve O-rings serve the fuel and accelerator connector tubes.
Use the float’s supplied-pin description carefully
The float product includes a pin and tells buyers that four floats are used per motorcycle. Order the number needed after inspecting the carburetors. That per-bike requirement does not turn a single product entry into a four-float kit.
Keep the pump and connector packages distinct
The pump kit supplies a diaphragm with rod and a bellows rubber, subject to the 89mm-pin requirement. The connector package supplies twelve O-rings. Compare their locations and contents before adding other drain-screw or bowl seals that belong to separate carburetor fittings.
Carb Floats & Pump Parts questions
How long must the old pump pin be?
The CB650C application requires 89mm end-to-end. Measure the old diaphragm’s pin before ordering this kit rather than assuming every accelerator pump shares the same rod length.
Can I use one float-height setting for every carburetor listed with this float?
Use the Honda specification for the exact carburetor fitted rather than borrowing a setting from another application. Check free movement of the float and valve, verify the specified float height or fuel level, and confirm fuel shuts off without leakage before use.
Can the connector-tube O-rings be replaced without separating the carburetors?
The carburetors must be separated enough to remove the fuel-connector and accelerator tubes. The twelve O-rings serve those tube joints; they are not a complete bowl, drain or shaft-seal kit. Use the correct rack service procedure for the work.
Not sure which part you need?
Send your model and year, plus photos of your existing part and any changes to the original setup.