Never knew valve clearance checks were this critical until my 2018 Yamaha started ticking like a sewing machine

2 comments

2 Comments

Buddy of mine (@henderson.mason is right about that) let his R1 go too long and the head had to be replaced.

Heard a mechanic say loose valves on the YZFs actually burn the seats over time if you let them go too long... not just noise, permanent damage.