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Yamaha YZF-R125

YZF-R125
Features -
125cc SuperSport Motorcycle
High-revving liquid-cooled 4-stroke single
R-series styling
Aluminium swinging arm
Midship muffler
Engine -
Engine type Liquid-cooled, 4-stroke, single cylinder, 4-valve, SOHC
Displacement 124.66 cc
Bore x stroke 52.0 x 58.6 mm
Compression ratio 11.2 : 1
Maximum power 11.0 kW (15 PS) @ 9,000 rpm
Maximum torque 12.24 Nm (1.25 kg-m) @ 8,000 rpm
Lubrication system Wet sump
Fuel System Fuel injection
Clutch type Wet, multiple-disc coil spring
Ignition system TCI
Starter system Electric
Transmission system Constant mesh, 6-speed
Final transmission Chain
Fuel tank capacity 13.8 L
Oil tank capacity 1.15 L
Chassis -
Chassis: Steel Deltabox
Front suspension system Telescopic forks
Front travel 130 mm
Rear suspension system Swingarm (monocross)
Rear travel 125 mm
Caster angle 24.2°
Trail 86.1 mm
Front brake Single disc, Ø 292 mm
Rear brake Single disc, Ø 230 mm
Front tyre 100/80-17 M/C
Rear tyre 130/70-17 M/C
Dimensions -
Length 2,015 mm
Width 660 mm
Height 970 mm
Seat height 818 mm
Wheel base 1,355 mm
Minimum ground clearance 155 mm
Wet weight 138 kg
Top speed 130 Kmph
Aprillia RS125

RS 125Technical sheet
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 17”; rear 4,00 x 17”.
Tyres: Tubeless radial. Front 110/70 17”; rear 150/60 17”.
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.
Top speed: 180 KMPH in ideal condition
This is the link where you can find the accleration of RS125
http://www.youtube.com/watch?v=hxDM_CeazL4&feature=related