Tachometer accuracy and rev limiter

[OB_CanuckBusa]

I am pretty careful about avoiding the red zone on my bike. But the other day I was accelerating hard through first, with my mind on surrounding traffic, and before I knew it I was 400 to 500 rpm into the red zone. I have a couple of questions about this:

- Why didn't the rev limiter kick in as soon as I hit redline?
- I have heard Suzuki tachs are optimistic. Is this true? Is 11,000 on the tach really 11,000?
- What effect will the occasional trip into the red zone have on engine longevity? Is the occassional trip into the red zone gonna wreck the engine?

 

[OB_THE MOTORHEAD]

11,100-11,200 is realy 10,800

 

[OB_DangerMouse]

Rev limits are always well on the safe side for production vehicles - I wouldn't worry about bouncing off the limiter unless the crank has been lightened, in which case change up before hitting the limiter as crank whip/flex could cause a fatigue failure.