You&rsquoll be surprised. Pleasantly,&rdquo texted my friend who reviews motorcycles for a living. &ldquoReally&rdquo I asked. &ldquoIt&rsquos meant to go over bad stuff easily, not shake the earth,&rdquo he replied. I was staring at the prospect of my first trip to the Northeast becoming a tepid affair because of an underpowered motorcycle called Impulse, Hero Motocorp&rsquos 150CC answer to the lack of off-road motorcycles in the Indian market.