Champion standard spark plugs have a copper core, for improved conduction, and traditional electrode designs. Champion standard spark plugs are the best choice for vintage models as they have a broader working range than other makes. This is a Long reach spark plug with a 14mm x 1.25mm thread and a 21mm hex.
LAMBRETTA GP 150 and 200 CHAMPION SPARK PLUG N4C - EQUIVALENT TO B7ES
LAMBRETTA LI 125/150 SERIES 1,2,3 CHAMPION SPARK PLUG N4C - EQUIVALENT TO B7ES
LAMBRETTA SX150 SX 200 CHAMPION SPARK PLUG N4C - EQUIVALENT TO B7ES
VESPA 200 - PX200EFL 1984-1997 CHAMPION SPARK PLUG N4C - EQUIVALENT TO B7ES