Cycle News - Archive Issues - 2000's

Cycle News 2001 11 14

Cycle News is a weekly magazine that covers all aspects of motorcycling including Supercross, Motocross and MotoGP as well as new motorcycles

Issue link: https://magazine.cyclenews.com/i/128130

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oAIl-new Kawasaki integrated Power-valve System (KIPS) features a simpler 2-piece slider-type exhaust valve that opens faster and creates a larger timing gap between the main and subvalves for more mid-range power. oThe slide-type KIPS power valve sits lower in the exhaust port with a smaller frontal area facing the piston that helps reduce resistance for the exhaust. oNew, shorter stroke governor arm with lighter spring matches the smaller face of new KIPS valve. oBy reshaping the exhaust port window and widening it 2mm, the exhaust can exit the cylinder quicker for a noticeable punch in low and mid-range power. oThe bottom end· of the connecting rod features a wider oil groove for improved oil flow and greater reliability. The bottom end bearing is now 72mm for reduced creep and improved durability. 48 NOVEMBER 14.2001 • cue I e n e _ s

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