This is a single Bosch Spark Plug with the part number W7BC and 0241235754. It features a nickel construction. The electrode gap is 0.7mm, and the tightening torque is 17 Nm. The thread size is M 14 x 1.25, with a thread length of 12.7mm. The spanner size required is 20.8mm, and the spark position is 3mm. It has one pin. This spark plug is compatible with engines from 01/1973 to 06/1983, 12/1999, 12/2003, 12/2005, and 12/2007. The TecDoc engine number is 1157. It is OEM for various Hercules, Hyosung, PGO, Sachs, and Suzuki models. Other compatible part numbers include 596280, 6000539311, 4361799, and many more listed.