ans1-GTO 125 2strokes)is fastest and also the most economical bike in the rest of the bikes in pakistan......but.......these bikes r not in production anymore since1993......if u wanna own it then u can restore it like me.......read topic (project GTO).IF U NEED SOME HELP I M THERE TO HELP.
ans2-hondas old models r good power plus was a good model but the asking price is too high 35k to 38k will enough for good and sound bike u can also go for it.this is 4stroke bike.
ans3-yep the old kawasaki,s producers in pakistan r gonna launch again their bikes in pak but these r 4stroke bike and their 70cc bike have been launched u can also wait for it if u wanna buy 4stroke bike and if u wanna have real beauty and thril the go for old GTO 2STROKE BIKE and u can by any model of it like 1987 to 1993 these r same only minimaum changes in it.
GTO125 (2STROKE)easly goes till speed of 140/kmh(but speed kills) and u can 40 km/litre on it even u can go 45km/litre if u install new carburator in it.
i recmond go for old GTO 125