get a used cheap bike
10k max
can get cbr 250 and ninja 250

both cbr and ninja using almost same parts
tyre front 110/70 and rear 130/140/80
around 550+ if use pilot street michellin best tyre price/performance for 250 at the moment
sprocket and chain also bout the same price chain Xring regine/did price around 300+
front and rear sprocket bout 100+
oil filter also 30-50 depends on the shop u buy la
the major diff is cbr 250 is single piston while ninja 250 is 2 piston
hence changing spark plug cbr is cheaper because use 1 piston only

u can search at mudah cbr 250 price around 9k-11k

what do u eying?
honda cbr 250?
yamaha r25?
kawasaki ninja 250?

how much kedai jual itu ninja?
skrg kalau yg model lama around 10-11k only
unless u buy the new model which around 20k

haha shop mana mau jual murah
die amik dgn org pun 10k mah
try nego murah la dgn kedai bape paling murah die nak bagi
lagi pun ko nak amik loan kedai kan?

so get the cheapest price from the shop