The Griso is decidedly masculine and powerful yet the “Quattrovalvole” engine seems to be set like a jewel in a frame that shows off its revolutionary design to the utmost effect. Returning to its performance, it becomes obvious that the sophisticated components are not mere technical details included for the sake of style but enhance performance and provide guaranteed reactivity.
ENGINE
Type Four-stroke V 90 twin
Cooling Air and oil cooled with independent cooling pump
Capacity 1,151cc
Bore and stroke 95 x 81.2 mm
Compression ratio 11:01
Maximum power output Over 110 hp at 7,500 rpm.....................
Max Torque 80 foot pounds at 6,400 rpm
.................Fuel supply/ignition Multipoint sequential electronic injection, Magneti Marelli IAW 5A phased, alfa-n system; 2 x Ø50 mm throttle bodies with Weber IWP 189 injectors, Lambda probe.
Exhaust system Stainless steel two-into-one 3-way catalysed with Lambda probe.