Re: 1st gear top speed in R6 and R1?
It was bumped a few times over the years. I noticed that as I read through it.
Also, yes, Yamaha does a phenomenal job with their materials and mechanical engineering. The piston doesn't contact the cylinder walls, but the rings do. If they are seated properly early on in their careers, they'll last 100k miles without breaking a sweat. Good service intervals and proper maintenence, and the engines on these things can last a VERY long time.
Additionally on the R6, the power drop off is around 14.5k RPMs (I have my shift light set just about there). The redline is at 16.5k RPMs. I can't say with certainty at which point a piston or rod would let go, but taking an educated guess that Yamaha backed it off approximately 10-20% of max revolutions through testing, you can probably get away with revving it to 18k RPMs or maybe even 20k RPMs although it most likely is making significantly less power than anywhere in the powerband.
Chillin'... while the Lord watches over me!
I love my R6, but...there's no buts...
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