Ultimate Carburetor Rebuild Kit - Honda CB650 - 1979-1980

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Ultimate carburetor rebuild kit for the Honda CB650 from 1979-1980. Get that bike back on the road with freshly rebuilt carbs! This kit comes with float bowl gaskets made of high quality Viton rubber so they will not swell after coming in contact with fuel.

Includes 4 carburetor kits, 4 floats, 4 drain screws, 1 accelerator pump and 4 air cut off valves.

Note: This kit is for non CV carburetors. Mechanical carburetors came stock on the 79-80 CB650's. This kit fits carburetor models PD51A and PD50B.
Note: Always check the float height after installing new needles. Use the tapered spring included with each air cut off valve.
Note: The accelerator pump has a 89mm rod, some CB650's have different length rods, check yours prior to ordering or shorten the one included if necessary.

Each Carburetor Kit Includes:

Slide needle
Retainer clip
Float needle valve
Needle jet
#92 Main Jet (1980 models PD50B carbs)
#95 Main Jet (1979 model PD51A carbs)
#35 Slow Jet
Mixture screw with spring & washer
Float bowl gasket
Top cover gasket

Fits Honda:

CB650 - 1979-1980
CB650C Custom - 1980

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  • 4

    Posted by JamieB on 3rd Nov 2021

    Well worth the money...but, I recommend getting the O-ring kit separately to be sure they fit your fuel tubes!

  • 4

    Posted by Mat B on 28th Jan 2021

    90% of everything sit great. had some issues with the top gasket, easily fixed. needle fit great. missing some seals in between the fuel lines. But overall great product no complaints. Price on point too, great deal.