Ryuichi Kiyonari of Japan celebrates with his overall champion trophy on the podium during the awarding ceremony for the 600CC competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Racers compete during the 600CC competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Joshua Hook (R) of Australia competes during the Asia Dream Cup competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Hadi Wijaya of Indonesia celebrates with overall championship trophy on the podium during the awarding ceremony for the Underbone 115CC competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Ryuichi Kiyonari of Japan celebrates with his trophy on the podium during the awarding ceremony for the 600CC competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Ryuichi Kiyonari of Japan competes during the 600CC competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Ryuichi Kiyonari (C) of Japan, Azian Shah Kamaruzaman (L) and Md Zamri Baba of Malaysia celebrate on the podium during the awarding ceremony for the 600CC competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Azian Shah Kamaruzaman (R) of Malaysia competes during the 600CC competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Racers compete during the Asia Dream Cup competition at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)

Md Amirui Ariff Musa (L) and Md Affendi Rosli of Malaysia celebrate on the podium during the awarding ceremony for the Underbone 115CC at the Asia Road Racing championship 2012 in Doha, Qatar, Nov. 24, 2012. (Xinhua/Chen Shaojin)