Hi, im new to the group.
Recently i got 05 zx 50
Belt was worn so replaced it with the oem belt.
Now the top speed is 80km/h , prior to belt replacement was 70km/h.
Checked rollers and couple of them have minor flat spots.
What are the weights of the stock rollers?
Mine are 9 grams.
I ordered some 8 grams and will see how the work out.
So basically on straight away it will hit 80 km/h.
But on steep hill will barely move like 15km/h
And is seems like its not downshifting and rpms go down.
Also when you first stwrt riding it it is very zippy
Off the line and as it warms up acceleration from stop gets sluggish but no problem reaching top speed on straight road
Thank you