yes... i got a friend that can prove ... haha..  i did it so many times when i go back to hometown... actually.. i also dint believe it...  after some modification done...  hehe..  it is a secret. 

then i mod his bike (ex5)  almost same with mine...  then now he is so happy... RM 5 ( last time before petrol price went up) can  we both can go without stopping for petrol....  sometime go 130km/j  sometimes 60km/j ... average 90-100km/j