Pre-Monobloc Hints & Tips Sheet 1  Carburetter with pilot jet system  how it works & part names  general hints & tips How to trace faults Parts to tune up with How to tune up Tuning twin engines with twin carburetters HINTS AND TIPS for vertical, horizontal and inclined needle-jet carburetters with pilot jets  SINGLE LEVER DOUBLE LEVER FIG. 1 illustrates a double lever vertical carburetter with flange fitting Sheet 1  Carburettor with pilot jet system  how it works & part names  general hints & tips How to trace faults Parts to tune up with How to tune up Tuning twin engines with twin carburetters Hitchcock's Motorcycles Oldwich Lane West, Chadwick End, Solihull B93 0BJ    TEL: 01564 783192  (FAX: 01564 783313) Email:info@hitchcocksmotorcycles.com