I'm thinking which bike I should buy,so you might help me expressing your opinion.
Aprilia RS 125
Kawasaki Ninja 250
Aprilia RS 125
Engine: Liquid cooled, single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate lubrication. Homologated to Euro 3 standards.
Fuel: Dell’Orto VHST 28
Bore x Stroke: 54 x 54,5 mm
Total displacement: 124,8 cc
Compression ratio: 12,5 ± 0,5:1
Fuel system: Dell’Orto VHST 28.
Ignition: Electronic CDI ignition.
Starting: Electric
Generator: 12V - 180 W
Lubrification: Separate mixing with variable displacement, volumetric pump.
Gear box: 6 speed. 1st 10/30 (0.33) 2nd 14/29 (0.48) 3rd 17/27 (0.63) 4th 19/25 (0.76) 5th 21/24 (0.87) 6th 22/23 (0.67)
Clutch: Multi-plate in oil bath.
Primary drive: Gearbox: 63/19 (3.31).
Final drive: Chain: 17/40 (2.35).
Frame: Sloping twin-spar frame in thin wall box section cast aluminium, with reinforcement cross-ribbing.
Front suspension: Upside down hydraulic fork, Ø 40 mm. Wheel travel 120 mm.
Rear suspension: Swingarm with asymmetric members in thin wall box section cast aluminium. Hydraulic monoshock with adjustable spring preload. Wheel travel 120 mm.
Brakes: Front: Floating Ø 320 mm disc. Radial caliper with four differential diameter pistons, Ø 32 mm – Ø 27 mm. Rear: Single Ø 220 mm disc. Caliper with two Ø 30 mm pistons.
Wheels: Aluminium alloy. Front 3.00 x 17â€; rear 4,00 x 17â€.
Tyres: Tubeless radial. Front 110/70 17â€; rear 150/60 17â€.
Dimensions: Overall length 1955 mm Overall width (at handlebars) 720 mm Overall height (at windshield) 1100 mm Seat height 805 mm Wheelbase 1345 mm
Fuel tank capacity: 14 litres (3.5 litre reserve).
Carburettor: The 21 kW RS 125 (sold on the German market) is still equipped with a Dell’Orto PHBH 28 carburettor and is homologated to Euro 2 standard
Fuel: Dell’Orto VHST 28
Bore x Stroke: 54 x 54,5 mm
Total displacement: 124,8 cc
Compression ratio: 12,5 ± 0,5:1
Fuel system: Dell’Orto VHST 28.
Ignition: Electronic CDI ignition.
Starting: Electric
Generator: 12V - 180 W
Lubrification: Separate mixing with variable displacement, volumetric pump.
Gear box: 6 speed. 1st 10/30 (0.33) 2nd 14/29 (0.48) 3rd 17/27 (0.63) 4th 19/25 (0.76) 5th 21/24 (0.87) 6th 22/23 (0.67)
Clutch: Multi-plate in oil bath.
Primary drive: Gearbox: 63/19 (3.31).
Final drive: Chain: 17/40 (2.35).
Frame: Sloping twin-spar frame in thin wall box section cast aluminium, with reinforcement cross-ribbing.
Front suspension: Upside down hydraulic fork, Ø 40 mm. Wheel travel 120 mm.
Rear suspension: Swingarm with asymmetric members in thin wall box section cast aluminium. Hydraulic monoshock with adjustable spring preload. Wheel travel 120 mm.
Brakes: Front: Floating Ø 320 mm disc. Radial caliper with four differential diameter pistons, Ø 32 mm – Ø 27 mm. Rear: Single Ø 220 mm disc. Caliper with two Ø 30 mm pistons.
Wheels: Aluminium alloy. Front 3.00 x 17â€; rear 4,00 x 17â€.
Tyres: Tubeless radial. Front 110/70 17â€; rear 150/60 17â€.
Dimensions: Overall length 1955 mm Overall width (at handlebars) 720 mm Overall height (at windshield) 1100 mm Seat height 805 mm Wheelbase 1345 mm
Fuel tank capacity: 14 litres (3.5 litre reserve).
Carburettor: The 21 kW RS 125 (sold on the German market) is still equipped with a Dell’Orto PHBH 28 carburettor and is homologated to Euro 2 standard

Kawasaki Ninja 250
Engine
Four-stroke, liquid-cooled, DOHC, parallel twin
Displacement
249 cc
Bore x Stroke
62.0 x 41.2mm
Compression Ratio
11.6:1
Carburetor
Keihin CVK30 x 2
Ignition
TCBI with digital advance
Transmission
Six-speed
Final drive
O-Ring Chain
Cooling System
Liquid
Frame Type
Semi-double cradle, high-tensile steel
Rake/Trail
26 degrees / 3.2 in.
Front Tire Size
110/70-17
Rear Tire Size
130/70-17
Wheelbase
55.1 in.
Front Suspension / Wheel Travel
37mm hydraulic telescopic fork / 4.7 in.
Rear Suspension / Wheel Travel
Bottom-Link UNI-TRAK® with 5-way adjustable preload / 5.1 in.
Front Brakes
Single 290mm hydraulic petal disc with two-piston caliper
Rear Brakes
Single 220mm petal disc with two-piston caliper
Fuel Capacity
4.8 gal.
Seat Height
30.5 in.
Curb Weight
374.9 lbs.
Overall Length
82.1 in.
Overall Width
28.1 in.
Overall Height
43.7 in.
Color Choices
Ebony, Lime Green / Ebony (SE), Pearl White / Ebony (SE)
Warranty
12 months
Good Timesâ„¢ Protection Plan
12, 24, 36, 48 months
Four-stroke, liquid-cooled, DOHC, parallel twin
Displacement
249 cc
Bore x Stroke
62.0 x 41.2mm
Compression Ratio
11.6:1
Carburetor
Keihin CVK30 x 2
Ignition
TCBI with digital advance
Transmission
Six-speed
Final drive
O-Ring Chain
Cooling System
Liquid
Frame Type
Semi-double cradle, high-tensile steel
Rake/Trail
26 degrees / 3.2 in.
Front Tire Size
110/70-17
Rear Tire Size
130/70-17
Wheelbase
55.1 in.
Front Suspension / Wheel Travel
37mm hydraulic telescopic fork / 4.7 in.
Rear Suspension / Wheel Travel
Bottom-Link UNI-TRAK® with 5-way adjustable preload / 5.1 in.
Front Brakes
Single 290mm hydraulic petal disc with two-piston caliper
Rear Brakes
Single 220mm petal disc with two-piston caliper
Fuel Capacity
4.8 gal.
Seat Height
30.5 in.
Curb Weight
374.9 lbs.
Overall Length
82.1 in.
Overall Width
28.1 in.
Overall Height
43.7 in.
Color Choices
Ebony, Lime Green / Ebony (SE), Pearl White / Ebony (SE)
Warranty
12 months
Good Timesâ„¢ Protection Plan
12, 24, 36, 48 months
