This is for a Champion RN2C its the same rating as the N2C however it has interference suppression resistor which is what the 'R' indicates in the plug code.
This is recommended when scooters are fitted with the SIP speedo
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.
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LAMBRETTA SX150 SX 200 CHAMPION SPARK PLUG N4C - EQUIVALENT TO BR8ES
VESPA 200 - PX200EFL 1984-1997 CHAMPION SPARK PLUG N4C - EQUIVALENT TO BR8ES