So long as the bike is warmed up and in reasonably good condition, adequate cooling to it, does the bike no harm to be revved like that in moderation.

Why would engineers design an engine to rev to 7000rpm if they knew it couldn't handle it? It'd be a massive safety lawsuit on their hands if engines started blowing up!

I often rev the guts out of mine and hit the limiter in the lower gears, hald the reason why there's a limiter!

Personally, I'd love the bike to rev higher like my old DR350, 9k rpm for a 385cc single!

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09 XT660X:

CCC Stainless Rounds, Stage 1 DNA, Stage 2 DNA, PCV With Custom Autotune Map, PCV AutoTune, Home made O2 eliminator, Self machined Fork Spacers, DIY Autotune Switch.