NGK B8ES SPARK PLUG
Colder plug for hot running/tuned engines,
suitable for all Lambretta and Vespa 200
The grade listings and applications for NGK spark plugs are as follows :
B7ES - long reach / town and city use / for a standard engine
B8ES - long reach / local and distance use / for a standard or midly tuned engine
B9ES - long reach / competition or distance travelling use / for a tuned engine
B10ES - long reach / competition or full race use / for a high tuned engine / sidecar use