I own TVS star sport 100cc bike.
Handling - good (needs Mrf Zapper upgrade)
Mileage- 65-70 kmpl
Top speed-80-90 in stock
Stock gear tops
1st - 25 in 2 sec
2nd-40 in 2 sec
3rd-65 in 3 sec
4th-80 in 4 sec
service charges
free service - 350 for oil(5000kms life)
normal service - 700
good cheap reliable bike.
Modifications
K&N filter(500rs) with custom holder (50 rs) (carb tuned)
top speed- 100
got bit more power so front sprocket changed from 13T to 14 T (100Rs) of star city 110
top speed 110
intresting thing is
in 3rd gear 30 -85 kmph in 3sec :) made all bikes(<160cc) go back in city roads. :)
having mileage of 80+ :)))
top speed videos stock (https://youtube.com/watch?v=ssvLL9XjdMQ)
top seed after mod
https://youtube.com/watch?v=CErf5WyhaCA