Original Bosch spark plug with platinum electrode and long thread, suitable for various mopeds, mopeds or small motorcycles.
This spark plug fits the following mopeds, among others: Alpa Cross 2000, Alpa Grand Sport, Alpa Cristall 50/2, Alpa Panda, Cilo Cross, KTM GTX 503, Piaggio Boss, Piaggio Boxer, Piaggio Bravo, Piaggio Ciao, Piaggio Si, Pony GT Cross, Pony GTA, Pony GTX, Pony Junior 50/2, Pony Junior 503, Puch Maxi S, Puch Maxi N, Puch Maxi N Chopper, Puch Maxi Plus, Puch X30 Sport NS / NL, Puch X30 Velux, Puch Supermaxi, Sachs Rixe 50/2, Sachs Turbo, Sachs 503, etc.
The gray rings suggest the ignition performance of days gone by, when emission values still played a secondary role.
In Bosch Platinum spark plugs, a platinum plate on the center electrode ensures a longer service life and better combustion.
| Manufacturer | BOSCH |
| Candle designation | W4CP |
| Candle thread type | long |
| Thread type | MF14x1.25 (fine pitch thread) |
| Spark plug socket | M4 |
| Electrode material | Platinum |
| Suppressed | No |
| Width across flats | 21 mm |
| Area of application | Standard, Tuning, Performance |
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