Q. Did rush drive affect the engine?

Yes, it may affect your bike's engine if you ride continuously at higher RPMs or ride it rash. For optimum performance and durability of the engine, we'd suggest you to not rev the bike unnecessarily, ride at economical speeds, keep the gear to RPM ratio in check, etc. Check out the following article for more details: - ZigSkills - Tips For Better Riding: Look Where You're Going!