Aftermarket exhaust? High flow air filters? Looking for more power? You're gonna need to up-jet. Or maybe you're just cleaning the carbs and need some new stock size jets? We have a range of sizes available from #35 - #45. Keihin slow / pilot / idle jet. Made in Taiwan. Pick your size from the dropdown menu above. These jets are "Friction Fit / Push In / Press Fit" style, they are not threaded, they fit the SOHC CB550K and CB750F/K from 1977-1978.
These jets can be difficult to remove, gently grab them with pliers, sometimes it's good to wrap them in rubber or something soft before using pliers. Twist gently back and fourth until you get them out, don't rock from side to side.
Make sure to look up the stock size in your owners manual and start there. Make sure to check what carburetor model you have since some bikes don't have stock carburetors on them.
CB550K 1977 carb model X46A used a #38 slow jet
CB550K 1978 carb model PD46C used a #42 slow jet
CB750F/K 1977-1978 carb model PD41B, PD42A, 41A, PD42B used a #35 slow jet
Jet Dimensions:
Jet Height: 28.2mm
Outer diameter: 5mm
Fits Honda:
XL100 - 1977-1978
CB125S - 1978-1979
XL125 - 1976-1978
CM185T – 1978-1979
XL350 - 1977-1978
CB550K - 1977-1978
CB650 – 1979-1980
CB650C Custom – 1980
CB750A – 1976-1978
CB750F - 1977-1978
CB750K - 1977-1978
And others. . .
Also fits some XL80 and XL185 models...
16 Reviews Hide Reviews Show Reviews
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Quick, good quality
Very quick transport to Germany, good quality.
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Awesome jets!
Works with no problems for upgraded exhaust and pods!
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Perfect, appreciated much
Good item , perfect fit nice , appreciated
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Perfect replacement
Exact fit and worked perfectly. Can't tell the difference from the OEM Honda jets
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Good replacement jets
Jets work fine. No issues
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Perfect fit
Keeping stock airbox on my 550 and upgrading to 4 into 1. Using 1 size larger pilot jets in carb setup.
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Perfect
Press the old ones out. Press these in. Go. Rejetted my 78 cb750k to a new airbox and these are a necessity!