All the Duels – Duel RS4 Vs YZF-R125: back to school with six! – Aprilia RS4 125 technical sheet

Duel RS4 Vs YZF-R125: the return to full six !

All Duels - Duel RS4 Vs YZF-R125: back to school with six! - Aprilia RS4 125 technical sheet

With all due respect to purists, the reign of 125 4-stroke sports motorcycles is now established. We therefore organized a duel between the two sharpest representatives of this category: the new Aprilia RS4 and the Yamaha YZF-R125…. Duel 125 !

Aprilia RS4 125 tech. Sheet

Engine
Type single cylinder in-line, 4-stroke, dual ACT and 4 valves
Cooling By water
Displacement 124.8 cc
Bore x stroke 58 x 47 mm
Volumetric ratio 12.5: 1
Max power 15 hp at 9,250 rpm
Max torque 11 Nm at 8,500 rpm
Injection Magneti Marelli MIU G3 electronics
Injector body 32 mm
Lubrication Wet sump
Electrical system
Ignition Digital transistorized
Start-up Electric
Alternator 13 V – 235 W
Transmission
Clutch Multi-disc in oil bath
Training Mechanical by cable
Box 6 gears in constant mesh
Primary report Per sprocket cascade: 73/24 (3.04)
1st 11/33 (0.33)
2nd 15/30 (0.50)
3rd 18/27 (0.67)
4th 20/24 (0.83)
5th 25/27 (0.92)
6th 23/22 (1.05)
Final drive Per chain: 49/14 (3.50)
Cycle part
Frame Aluminum perimeter frame
Front suspension Telescopic fork ø 41 mm
Suspension Ar Asymmetrical swingarm, monoshock shock absorber
Front travel 110 mm
Travel Ar 130 mm
Front rim 17 x 2.75 "
Rim Ar 17 x 3.5 "
Front tire 110 / 80-17 M / C
Tire Ar 130/70-ZR17 M / C
Front brake Single hydraulic disc ø 300 mm with 4 piston calipers
Ar brake Single hydraulic disc ø 218 mm with single piston caliper
Dimensions, weight, capacities
Length 1,953 mm
Width 740 mm
Height 1138 mm
Wheelbase 1350 mm
Saddle height 820 mm
Fuel tank 14.5 liters (including 3.5 l reserve)
Weight in running order 134 kg (without gasoline)
Commercial information
Availability Immediate ()
Price € 4,199
Guarantee 2 years, parts and labor

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