Sunday, March 21, 2010
Kawasaki Ninja 250R specifications and reviewsDOHC 249cc Parallel Twin-cylinder Engine
Cylinder head
Carburetor
Exhaust system
- Compact parallel-twin design offers good mass centralization for superior handling
- Tuned to deliver smooth, step-free power with an emphasis on low-and mid-range power for rider-friendly response
- Pistons feature reinforced heads and strengthening in the pin boss area for increased durability
- Thick piston (longitudinally) rings help minimize oil consumption
- Combustion chamber design optimized to maximize combustion efficiency and reduce emissions
- Ample high-rpm performance will please riders using the full range of the engine
Cylinder head
- Refined intake and exhaust ports contribute to good off-idle response and smooth power delivery
- Valve timing and lift were designed for strong low-and mid-range torque
- Direct valve actuation ensures reliable high-rpm Operability
- Valves with thin heads and Stems reduce reciprocating weight
Carburetor
- Twin Keihin CVK30 carburetors fine-tuned for good power feel and low fuel consumption
Exhaust system
- 2-into-1 system contributes to the Ninja 250Râ € ™ s low-and mid-range torque and smooth, step-free power curve
- Slightly upswept silencer extensively tested to determine chamber size, connecting pipe length and diameter to achieve least noise and most power
- Meets strict emissions with dual catalyzers; one in the collector pipe and the other in the silencer
- Using two catalyzers minimizes the power loss
- Positioning the first catalyzer as close to the exhaust ports maximizes its
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