Mercury 25-60 HP 4-Stroke — service specifications
What is the spark plug for Mercury 25-60 HP 4-Stroke — service specifications?
For Mercury 25-60 HP 4-Stroke, spark plug is NGK BPR6ES; gap is 0.040" (1.0mm), recorded from its source on 2026-08-05.
25-60 HP 4-Stroke | NGK BPR6ES | 0.040" (1.0mm)
— seasierra.com, retrieved 2026-08-05
- Brand
- Mercury
- Model / range
- 25-60 HP 4-Stroke verified
- Spark plug
- NGK BPR6ES verified
- Gap
- 0.040" (1.0mm) verified
Source
- seasierra.comhttps://seasierra.com/blogs/outboard-101/outboard-spark-plug-replacement-the-right-plugs-and-gaps