Smooth low-speed running requires a clean carb. Rather than brushes and bits of wire, an ultra-sonic tank will remove deposits – from brass or alloy carburettor parts – without causing damage.
Where there’s brass there’s muck …
Smooth low-speed running requires a clean carb. Rather than brushes and bits of wire, an ultra-sonic tank will remove deposits – from brass or alloy carburettor parts – without causing damage.
The Sloper - a 1929 BSA Motorcycle Returns to the Road 