Description
The NGK BP4ES is a non-resistor spark plug with NGK heat range 4 and a projected insulator. It has a 14mm thread diameter and 19mm reach. Choose it where BP4ES is specified for your engine.
NGK BP4ES specifications
| Part number |
NGK BP4ES |
| Heat range |
4 |
| Resistor |
No |
| Thread diameter |
14mm |
| Reach |
19mm |
| Hex size |
20.8mm |
| Insulator |
Projected |
Fitment and ordering questions
Is BP4ES the same as BP4HS?
No. BP4ES has 19mm reach, while NGK BP4HS has 12.7mm reach. Use the exact plug specified for your engine.
Will NGK BP4ES fit my motorcycle?
Fitment depends on the exact engine and model year. Send RBS Yamaha those details if you need help checking the application before ordering.
Use the gap and tightening specification in the vehicle manufacturer's service information.
Order NGK BP4ES from RBS Yamaha in Pinetown, or browse our motorcycle parts.
