Moreover, always accelerate slowly and try to drive with speed and pedal pressure at optimum Eco levels that is when the LED display at speedometer should always be green. When it turns cyan or blue then it means u are pushing the accelerate too much thus consuming more fuel.
Oil is Zic A+ 3 litre, Guard Oil Filter, regularly change at 4500 km. Spark plugs need to be cleaned every 10,000 or so km. Above all, treat it like a 660cc it is not XLI