I have my own bike royal enfield thunder bird I advice for all riders1. Change engine oil time to time according to your bike kilometres and aslso use geniun engine oil also chack filter and carborator clen the carboretorChack you bikes tyere presure every 15 day2. Do you bike. Like your angel and behave like that serviceing is must important for all bikes always chack cluth not enough tight3. Wash you bike every week if your bike is in dirt if not so thats ok but not so do presure pipe water and wash bike this very important for your bike4. Every this for bullet riders and other every 500 km after lubricant your bike chain and always clean. Most important do servicing time to time chang your bike oil evry 2000 or 3000 km afterMost important wear helmet and drive safe