Now you can see me smile with theis YS , just finished a Advance pattern competition at local event , as there are some foreign
flyer which use YS170 , get some advice from them n help me fine tune my YS .
Now the engine run like the CHAMP now ..... the THAI flyer got no1..... and me got NO2 !!
So , anyway thanks for all the help n advice that been given .
HAPPY with my YS NOW !