[ask] mio bore up 155cc help!!

[JapanStyle]

agan2 ane punya mio dah bore up 150cc pke seher 59",,per cvt 1500rpm,,cdi brt dualband,,yg laen msh standar

tp kok mio ane klo d atas 80km/jam kok lambat y???,,nariknya jg kurang siipp,,ap ad yg salah ato kurang y??mohon bagi2 ilmunya gan

maklum ane msh nubi gan klo mtor matic,,