SU H-Type Carburetters - Parts Matching Problems
This video describes some of the differences in the models of SU carbs, and some 'gotchas' that you may come across if you have had to resort to 'mix and match' parts. Note that Bugeyes originally were fitted with H-1 carbs (1 1/8 inch) and later sprites with HS2 (1 1/4 inch) and while the video references MG-A carbs, the principles are the same.
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