hahah every where all ppl talking bout this things..lengine oil or minyak itam kahkahka..ayyoo camon la bro.. the very good oil should be ester base(hi temp resist) 2nd PoA cleaning very good but poor in hi tempt..but if you can get ester/poa mix together that very2 good,but the price must higher..hehhehe,ask your pocket !
), if it doesn't enough you may try petronas sprinta 5000 10w-40 (full synthetic), but motul 5100 15w-50 suits me the most.
I've tried the 10w-40 on a hot day, and my bike won't run more than 80kmph