Hero Electric — Starting problem in morning & high sunlight in summer

Address:

Bharatpur, Rajasthan, 321001

Dear sir,
I purchase a new bike hero HF deluxe on 09/04/2017 from Arya Angency, Bharatpur. Form the day one i am facing a starting problme in morning & noon when my bike stand in sunlight for 2-3 hours. In summer high temp. Bike does not start by kick or self. When I opened fuel tank cap then bike start in single kick. I talk about this problme on service center on 1st service. They slove it on service. But after 5 day same problem arise.. what shoul I do.. I am really tired.. Pls give me right solution