AFP reports.
The 24-year-old maintained his unbeaten record in international competition with a total of 418kg, beating the old mark of 412kg set by Akakios Kakhiashvili of Greece at the World Championships in Athens in 1999.
Ilyin also broke the clean and jerk record with a lift of 233kg.
Alexander Ivanov of Russia took silver with a lift of 409kg while Moldova's Anatoli Ciricu's total of 407kg was enough for bronze due to him being lighter than Andrey Demanov of Russia.