Hadi Wijaya it the name of Indonesia in the Asia Road Racing Championship (ARRC) 2012.

 Yamaha Yamalube KYT Tunggal Jaya R9, managed to become champion of Asia 2012 Underbone 115cc class ARRC though still one remaining series.

Consistent appearance paid off with a championship trophy this class for the second time in his career. Achieving Hadi is a history in which he became the first rider twice won the Underbone 115cc class.

Collect 208 points atop the standings after five series run, enough to deliver Hadi as a champion. In the fifth series in Pen Bay International Circuit on Sunday (October 15), Hadi adds 32 points from the leader in the race to finish fifth in race 1 and 2.

Note the time, 23 minutes 46 084 seconds in race 1 0366 seconds adrift far ahead of Malaysia, Ahmad Afif Amran, (CKJ Yamaha Racing). But in race two, Hadi only in fifth

"I am very happy to win the 115 cc Underbone class again. I never thought I could complete this mission as quickly as champion Pen Bay new circuits on the calendar. Thank you to Yamaha, mechanics that make set up the motor well and thank you also for the sponsors, "said Hadi.

The results of Series 5 115 cc Underbone class:
Race 1:

1. Hadi Wijaya (Yamaha Yamalube KYT Tunggal Jaya R9)
2. Ahmad Afif Amran (CKJ Yamaha Racing)
3. Md Affendi Rosli (Daily Metro TEQ SCK Honda Y-Racing)

Race 2:

1. Amirul Ariff Md Musa (Pachie Yuzy Honda Racing)
2. Reynaldo C Ratukore (R9 Nissin KYT Federal Oil BRT)
3. Ahmad Afif Amran (CKJ Yamaha Racing)
4. Md Affendi Rosli (Daily Metro TEQ SCK Honda Y-Racing)
5. Hadi Wijaya (Yamaha Yamalube KYT Tunggal Jaya R9)

Underbone 115cc standings:

1. Hadi Wijaya (Yamaha Yamalube KYT Tunggal Jaya R9) 208 points
2. Reynaldo C Ratukore (R9 Nissin KYT Federal Oil BRT) 135 points
3. Amirul Ariff Md Musa (Pachie Yuzy Honda Racing) 115 points