Page 199 of Kawasaki Motorcycles by Kawasaki USA

KX250 2006 Model Information KX250R6F Engine Improvements MODEL CONCEPT With the 4-strokes grabbing so much attention, youd think that die-hard 2-stroke lovers would have little to cheer about. Not so at the Team Green camp! The 06 KX250 returns with engine, chassis and braking revisions to keep it at the front of the pack. The hi-tech engine features independently operating KIPS valves, for strong, linear power across the rev range. The engine has excellent over-rev characteristics while a new reed valve shape improves the class-leading low/mid-range power, all without sacrificing the engines mighty top-end power. The race-winning perimeter frame benefits from front fork and rear shock improvements. A new works-style aluminum Renthal handlebar contributes to reduced weight and improved rider control.

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