27-02-2022, 12:21 PM
Does this refer to the original 22FZB carburettor?
If so, I've found that careful adjustment of the "slow running jet", which is actually a small auxiliary carburettor is beneficial. This auxiliary carb is only used when running slowly and when starting the engine - there's quite a good description of it in the Nicholson book.
Adjustment is a balance between easy starting and low fuel consumption but all this assumes that the slow running tube is not split or damaged from being mishandled in years gone by.....
If so, I've found that careful adjustment of the "slow running jet", which is actually a small auxiliary carburettor is beneficial. This auxiliary carb is only used when running slowly and when starting the engine - there's quite a good description of it in the Nicholson book.
Adjustment is a balance between easy starting and low fuel consumption but all this assumes that the slow running tube is not split or damaged from being mishandled in years gone by.....