Yamaha F70-F90 — service specifications
What is the spark plug for Yamaha F70-F90 — service specifications?
For Yamaha F70-F90, spark plug is NGK LFR5A-11; gap is 0.043" (1.1mm), recorded from its source on 2026-08-05; source re-checked 2026-11-01.
F70-F90 | NGK LFR5A-11 | 0.043" (1.1mm)
— seasierra.com, retrieved 2026-08-05
- Brand
- Yamaha
- Model / range
- F70-F90 verified
- Spark plug
- NGK LFR5A-11 verified
- Gap
- 0.043" (1.1mm) verified
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Brand
Yamaha Outboards Model | Spark Plug | Gap |
— all from seasierra.com, retrieved 2026-08-05
Source
- seasierra.comhttps://seasierra.com/blogs/outboard-101/outboard-spark-plug-replacement-the-right-plugs-and-gaps