# F40-F60 — Outboard motor service specifications by brand and model

For F40-F60, brand is Yamaha; spark plug is NGK LFR5A-11; gap is 0.043" (1.1mm), recorded from its source on 2026-08-05.

- **Brand:** Yamaha
- **Model / range:** F40-F60 _(verified: appears in the quote below)_
- **Spark plug:** NGK LFR5A-11 _(verified: appears in the quote below)_
- **Gap:** 0.043" (1.1mm) _(verified: appears in the quote below)_

## What the source says

> F40-F60 | NGK LFR5A-11 | 0.043" (1.1mm)

## Source

- https://seasierra.com/blogs/outboard-101/outboard-spark-plug-replacement-the-right-plugs-and-gaps

Last verified: 2026-08-05. Review by: 2028-08-04.
Part of [Outboard motor service specifications by brand and model](https://referencesource.org/outboard-motor-service-specs/).