These are the known mechanical and performance specifications for your 2015 Kawasaki Ninja 250SL.
Basic Specs

Engine
Displacement249.00 ccm (15.19 cubic inches)
Type
DetailsTwin, four-stroke
Max RPM
Compression11.6:1
Bore/Stroke72.0 x 61.2 mm (2.8 x 2.4 inches)
Valves/Cylinder4
FuelingInjection
IgnitionTCBI with digital advance
Exhaust
LubricationForced lubrication, wet sump
CoolingLiquid
Performance
Horespower28.00 HP (20.4 kW)
Torque22.60 Nm (2.3 kgf-m or 16.7 ft.lbs)
Top Speed
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity11.00 litres (2.91 gallons)
Emissions
Chassis
Frame TypeTube diamond
Rake24.0°
Trail90 mm (3.5 inches)
Front Suspension37mm hydraulic telescopic fork / 4.7 in.
Front Travel
Rear SuspensionBottom-link Uni-Trak with 5-way adjustable preload / 5.1 in.
Rear Travel
Seat
Seat Height780 mm (30.7 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,075 mm (42.3 inches)
Total Length1,935 mm (76.2 inches)
Total Width685 mm (27.0 inches)
Ground Clearance
Wheelbase1,330 mm (52.4 inches)
Dry Weight
Wet Weight151.0 kg (332.9 pounds)
Wheels & Brakes
Front Tire/Tyre110/70-17
Rear Tire/Tyre130/70-17
Front BrakesSingle disc. Hydraulic. Two-piston calipers. Optional ABS.
Front Brake Diameter290 mm (11.4 inches)
Rear BrakesSingle disc. Two-piston calipers. Optional ABS.
Rear Brake Diameter220 mm (8.7 inches)
Wheels
Comments
ABS bakes adds 1.5 kg.