
APRILIA RS4 125 - TECHNICAL SPECIFICATIONS
Engine type Four stroke liquid cooled single cylinder with electronic injection and 4 valves. Euro 3 homologated
Bore and stroke 58 X 47 mm
Engine capacity 124.8 cc
Timing system Double overhead camshaft - DOHC
Compression ratio 12.5 ± 0.5:1
ECU Magneti Marelli MIU G3 32 MM DIAM.
Ignition Electronic with CDI capacity discharge
Starting Electric
Alternator 13V - 235W
Lubrication Wet sump
Gearbox: 6 speed.
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)
Primary drive Gears: 73/24 (3.04)
Final drive Chain: 49/14 (3.50)
Clutch Multiple discs, in oil bath
Frame Aluminum perimeter frame
Front suspension 41 mm upside down fork, wheel excursion 110 mm
Rear suspension Asymmetric swingarm with monoshock, wheel travel 130 mm
Brakes Front: 300 mm stainless steel disc with radial 4 piston caliper
Rear: 218 mm stainless steel disc and caliper with single 25 mm piston
Wheel rims In light alloy with 6 split spokes, with sealing profile for tubeless tyres; front: 2.75 x 17"; rear: 3.50 x 17"
Tyres Front: 110/80 - 17", rear: 130/70 - 17"
Dimensions Max. Length 1953 mm
Max width 740 mm
Max height at top fairing 1,138 mm
Saddle height 820 mm
Wheelbase 1,350 mm
Fuel tank capacity 14.5 liters (including 3.5 liter reserve)
Dette er en tragedie for dagens 16-åringer. Aprilia vil ikke lenger være på toppen, med sine 15 hk og firetaktsmotor. Utrolig synd at Aprilia valgte å gå den veien. Dette valgte de for å kunne operere på det amerikanske markedet, hvor det er veldig strenge utslippskrav.
Dette betyr at det ikke lenger er bare bare å fjerne en pling, en plong og en dært for å få mer hk. Denne motoren yter nok sitt meste allerede.
Pass på deres gamle sykler folkens! Det vil fremdeles finnes nye sylindre å få kjøpt, så ikke kræsj, behold lidenskapen og kos dere!
Magnus













