2021 250 ST Racing

Engine 2 strokes Sherco proprietary design
Engine size 123.70 cc (7.55 cu in)
Bore & Stroke 54 x 54 mm (2.13 x 2.13 in)
Fuel system
Cylinder lubrication
Cylinder Nikasil coated cylinder
Lubrication 2% oil pre-mix
Fuel Unleaded gasoline 98 Octane
Carburetor Keihin Ø 28 mm
Cooling Liquid system
Start Geared system with folding lever
Exhaust Steel header pipe with an integrated aluminum muffler
Systeme Allumage
Transmission 5 speed sequential gearbox with security selector system to prevent false shifts. Primary gear drive chain secondary drive
Clutch Hydraulic, diaphragm system
Ignition Hidria digital
Frame Tubular section Chrome-moly
Fuel Tank Polyamide – 2.4 L (0.63 US Gal) capacity
Brakes Hydraulically activated, floating 185 mm front and 145 mm rear
Front suspension Steel Tech fork Ø 39 mm (1.54 in) , 165 mm (6.50 in) travel
Rear suspension Progressive link system with single adjustable shock absorber, 175 mm (6.89 in) travel Rear shok
Rear shock absorber R16V
Front wheel Morad 21” black aluminum rim
Rear wheel Morad 18” black aluminum rim
Wheelbase 1322 mm (52.05 in)
Ground clearance 310 mm (12.20 in)
Seat height 685 mm (26.97 in)