Yamaha YFZ-R6 - Speeding up on the road Yamaha YFZ-R6 - Speeding up on the road yamaha yfz-r6, engine, compact, lightweight, valve, liquid, cooled, inline, four, cylinder
Engine:
Compact, lightweight 67 x 42.5mm 599cc DOHC 16-valve liquid-cooled inline four-cylinder features titanium valves, 12.8:1 compression and compact combustion chambers.
YCCT—Yamaha Chip Controlled Throttle—uses a powerful ECU and multiple sensors to provide perfect, smooth engine response and optimal power whenever the throttle is twisted, under all conditions.
Twin-injector fuel injection: shower-type injectors above each intake funnel help achieve optimum fuel atomization at high rpm.
Back torque-limiting slipper clutch greatly facilitates braking and downshifting from high speed. Close-ratio six-speed transmission delivers seamless power and maximum acceleration.
Despite the increased bore, piston and pin weight has been reduced for more power and less vibration; 1mm smaller main journals reduce friction while 1mm larger connecting rod journals increase performance.
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