HS-2 Carbs

[RonR]

Did HS-2 carbs originally have throttle shaft bushings?
Are the ones Moss sells used when the aluminum casting wears out?

Thanks.
Ron

 

[The_architect]

Hey Ron!
I found this in the archives:

HS2sare bit different aniaml than then their HS series cousins, HS4/6/8 in that hey do have a bronze/brass bushing cast into the carb body, they simply ride on the aluminum of the carb body, and what this does noramlly is cause shaft wear but not shaft bore wear in the carb body, so what you generally see is worn shaft, but good shaft bores, almost all of the time, a new standard shaft will put thing back to whear they need to be, you can test this by, when removing the throttle shaft fell the fit on the shaft to the bores on a section of the shaft that is not worn, and you will most likely find you just need new shaft, and not a bushing the bodies.
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I'm not entirely sure what it means, though.
Chuck

 

[scoutll]

HS2 don't have bushings. The shaft just rides in the body of the carb. The brass of the shaft normally wears because it is softer than the alloy of the carb. The carb body is normally fine, just new shafts are needed.