Does a full face helmet cause more damaging noise with the visor open or closed? Earplugs are too painful to wear inside my helmet, so I'd like to do whichever keeps the noise down and prevents further damage to my ears.
I am a long-time lurker to your wonderful community but this is my first post.
I recently performed my first valve shim adjustment and it went well except for when it came to reinstalling my cam chain tensioner. At the time, roughly 3000 miles ago, my understanding of the CCT was that...