
B9HCS spark plug with short thread suitable for various Yamaha moped, moped or small motorcycle models.
The spark plug is intended as a replacement for vehicles that require a spark plug with the designation B9HCS and short thread.
Thanks to the short, slanted / flat electrode, this spark plug is also suitable for high-compression engines where the piston protrudes far into the combustion chamber. The only difference to the B9HS is the electrode.
| Manufacturer | NGK |
| Candle designation | B9HCS |
| Area of application | Original |
| Candle thread type | short |
| Spark plug socket | M4 |
| Thread type | MF14x1.25 (fine pitch thread) |
| Suppressed | No |
| Width across flats | 21 mm |
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