Specs compared

Kawasaki KX250 2003–2004
vs Kawasaki KX450F
2006–2008

SpecKawasaki KX250 2003–2004Kawasaki KX450F 2006–2008
Years2003–20042006–2008
Engine249cc 2T449cc 4T
Stock gearing13T / 49TOwner's manual p. 1-1113T / 50TOwner's manual p. 1-9
Final drive ratio3.769 : 1Owner's manual p. 1-113.85 : 1Calculated from the stock sprockets
Fork travel300 mm (11.8 in)Owner's manual p. 1-11315 mm (12.4 in)Owner's manual p. 1-9
Seat height945 mm (37.2 in)Owner's manual p. 1-10965 mm (38.0 in)Owner's manual p. 1-8
Weight Not yet verified Not yet verified

Each value shows where it came from. The bike pages list the document, page and date checked.