To impact or not to impact.

[Andy from Sandy]

Bit tricky to check that on the engine primary sprocket.

 

[nealebms]

Provides an easy visual means of identifying movement or loosening of fittings, nuts, etc. on critical components after they are properly torqued or positioned. Fast drying adhesion to all metals and most other surfaces. Sealant becomes brittle and will crack under movement. Color: daylight...

www.wicksaircraft.com

This would be ideal for the rear belt sprocket bolts.

 

[El Hombre]

They call it Dykem Cross Check over here. Very handy, but pricey for what it is. A bit of silicon does the job, but can't take the heat levels.