2015 Yamaha TT-R50E, DIMENSIONS Length 51.4 in. Height 31.3 in. Width 23.4 in. Weight 126 lbs. Ground Clearance 5.3 in. Wheelbase 36.4 in. Seat Height 21.9 in. ENGINE Engine SOHC 4-stroke, 2-valves Displacement 49 cc Bore x Stroke 36 x 48.6 mm Compression Ratio 9.5:1 Carburetion Mikuni¿¿ VM11 Fuel Tank Capacity 0.82 gal. Ignition CDI Clutch Automatic Cooling Air DRIVETRAIN Transmission Constant-mesh 3-speed Final Drive Chain BRAKES/WHEELS/TIRES Brakes Front & Rear: 80 mm drum Tires Front & Rear: 2.50-10-4PR OPERATIONAL Suspension Front: Inverted telescopic fork; 3.8 in. travelRear: Single shock; 2.8 in. travel