Four-into two-into one short-style exhaust system with Exhaust Ultimate Power valve (EXUP®), a stainless catalizer and 02 sensor.High silicon-content ceramic-composite cylinder lining reduces friction and maximizes heat dissipation for consistent power delivery.Carburized connecting rods with fracture split big ends produce a quick-revving engine with excellent high-rpm durability.Narrow-angle five-valve combustion chambers produce a highly efficient 11.5:1 compression ratio.
Closed-deck cylinder block provides great strength while allowing a narrow engine in spite of big, 77mm bores.Fuel injection with computer-controlled sub-throttle valves provides precise fuel/air mixture for superb power delivery across the entire rev range.Compact design, 998cc DOHC 20-valve engine is tuned for tremendous mid-range punch and massive top-end power.
Tunable for sport touring or urban assault.