Engine Liquid cooled, four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder. Capacity 1099 Bore x Stroke 104 x 64.7mm Compression Ratio 12.5:1 Induction Marelli electronic fuel injection, elliptical throttle bodies Exhaust Lightweight 2-1-2 system with catalytic converter and lambda probe. Twin stainless steel mufflers