X9R specs:
Category: 1/8 Ofn Road
Displacement [cm3]: 3,5
Bore: [mm]: 15,94
Stroke [mm]: 17,5
Ports [N°]: 9
Domed piston
Head button Turbo 3 points
Crankcase Evo vacuum high pressure injected
Carburetor triple adjustment
Crankshaft Balanced DLC coated
Rear ceramic bearings
Turbo backplate
9mm low profile Venturi
New design cooling head