Mercury 150-300 HP Verado — service specifications
What is the spark plug for Mercury 150-300 HP Verado — service specifications?
For Mercury 150-300 HP Verado, spark plug is NGK IZFR5G; gap is 0.028" (0.7mm), recorded from its source on 2026-08-05.
150-300 HP Verado | NGK IZFR5G | 0.028" (0.7mm)
— seasierra.com, retrieved 2026-08-05
- Brand
- Mercury
- Model / range
- 150-300 HP Verado verified
- Spark plug
- NGK IZFR5G verified
- Gap
- 0.028" (0.7mm) verified
Source
- seasierra.comhttps://seasierra.com/blogs/outboard-101/outboard-spark-plug-replacement-the-right-plugs-and-gaps