I'v got the Kawasaki 250r 2008 model, I was able to hit 180 km/h just as i hit the 13,000 RPM range, Could have pushed her more but not wanting to do damage, that's what i got out of her
Answer105mph.110 mph top speed
the 2010 250 does about stock 135, 145 with a pipe easy
I have a 2005 Kawazaki Ninja 250 my personal best 85mph. Idiling about 11000 prm
180
166mph
155
1996 1000r ninja top speed 162 @ redline in top gear.
215 mph
kawasaki restricted the top speed to 189mph
About 100 mph stock
Stock 55 to 60
A 2008 Kawasaki KX 250 can go up to 120 MPH. This is a motorcycle.