This is an NGK 1090 BR6HS-10 Spark Plug for Yamaha 4-Stroke outboard motors (BR6-HS100-00-00) and other gasoline engines.
4-Stroke Model
Gap (mm.)
Gap (In.)
F6
1.0
0.4
F8
1.0
0.4
T8
1.0
0.4
NEW F8
1.0
0.4
If you are purchasing this NGK 1090 BR6HS-10 Spark Plug for gasoline engines other than the Yamaha models listed above, you must verify compatibility with the engine manufacturer.
