Part: Honda CL450 / CB450 Carburetor Gasket & O-Ring Kit - Kits are sold individually, you will need to order TWO to rebuild both carbs.
Why You Need This Part: So the carburetors on your Honda CL450 / CB450 are in pretty decent shape, just a quick clean and back on the bike. The issue is you need a few gaskets rather than the whole rebuild kit. No worries there, as we have this simple Carburetor Gasket & O-ring Kit for the factory Keihin Carburetors found on your Honda CL450 / CB450/ CB500T. However, if you find the brass in your carbs to be chewed up then you may need to step up to a full carburetor rebuild kit and even some new carburetor floats if they are trashed as well.
Installation Tip: There were two types of idle mixture needles used on the Honda CL450 / CB450 / CB500T family of bikes; an early style and a late style:
Early style needle is identified as having threads along the length of its body uses the larger O-ring in a grove machined in the needle.
Late style needle is identified as having a stepped tip and smooth body with threads only at the screw head. The small O-ring is used just at the tip in conjunction with the small metal washer that must be re-used.
Make sure to use a drop of light oil on the O-rings and threads of the mixture screws when installing.
*Note: Gaskets are not included for the air valve diaphragm found on Honda CB500T carburetors