Spec Sheet
The information below is specific to the Aprilia - 125 RS 125 (340X) Extrema, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.Aprilia - RS 125 (340X) Extrema 01
Bike Info
CC:
125
Bike Description:
The RS 125 is the undisputed leader among 125 cc supersports. Aprilia has always led the field in lightweight sports bikes, pioneering new concepts and advanced solutions, and developing technology that others have had to struggle to follow.
Chassis info:
340X
Service
2 Stroke Tank - Litres:
1.4L
Chain Freeplay mm:
25mm - 35mm
Coolant:
glycol based, free of nitrites
Cooling System (litres):
800ml
Fork oil grade:
SAE 5W - 20W
Front Fork Oil cc (left leg):
430cc
Front Fork Oil cc (right leg):
430cc
Gearbox Oil grade:
75W-90 API GL-4 or 10W-40 JASO MA
Gearbox Oil Litres:
600ml
Idle Speed (rpm):
1250+/-100
Spark Plugs Gap (mm):
0,7-0.8mm
Two Stroke Oil:
ISO L-EGC++, API TC++
Tyre Pressure Back Bar / psi:
2.0
Tyre Pressure Back - Pillion Bar / psi:
2.3
Tyre Pressure Front Bar / psi:
1.8
Tyre Pressure Front - Pillion Bar / psi:
1.8
Brakes
Front:
Disc
Rear:
Disc
Brake fluid:
DOT5.1 or DOT4
Front Disc Size:
320mm
Front-Pistons-per-caliper:
4
Rear Disc Size:
220mm
Rear-Pistons-per-caliper:
2
Dimensions
Fuel Capacity:
14L
Ground Clearance:
163mm
Height:
1135mm
Length:
1950mm
Reserve Fuel Capacity:
3.5L
Seat Height:
805mm
Wet Weight:
139kg
Wheelbase:
1345mm
Width:
720mm
Electrics
Voltage:
12v
Battery:
YB9-B
Bulb-Headlight:
H1 / H3
Charging System:
180W
Ignition:
Nippondenso Capacitor Discharge Ignition (CDI)
Ignition Timing:
25° @ 4000 rpm
Spark Plugs:
NGK BR 10 EG
Spark Plugs (Iridium):
NGK BR 10 EIX
Engine
Type:
Liquid Cooled 2 Stroke Reed Valve Single
Bore x Stroke:
54 x 54.5mm
Carburation:
Dell'Orto PHBH 28 BD
Carburation Idle Jet:
62
Carburation Main Jet:
120
Compression Ratio:
12.5:1
Displacement:
124.8 cc
Fuel Minimum Octane Rating:
98 RON
Lubrication System:
Seperate mixer with variable displacement, volumetric pump
Starting:
electric
Transmission
Chain Number of Links:
106
Chain type:
520: 5/8" x 1/4"
Clutch Type:
Wet multiplate
Final Drive:
Chain and Sprocket
Gearchange Pattern:
1 N 2 3 4 5 6
Gear Ratio 1st:
10/30
Gear Ratio 2nd:
14/29
Gear Ratio 3rd:
17/27
Gear Ratio 4th:
19/25
Gear Ratio 5th:
21/24
Gear Ratio 6th:
22/23
Primary Drive:
straight teeth
Primary Drive Ratio:
19/63
Sprocket front:
17
Sprocket rear:
40
Transmission:
6 speed
Misc.
Colour Options:
Replica Harada Black/Red; Nik Grey/Lemon Yellow; Diablo Black
Exhaust:
-MP01- e11 - 0039 / -MPB1- e11 - 0039
Frame:
Sloping twin-spar frame in thin wall box section cast aluminium, with reinforcement cross-ribbing.
Motorcycle Style:
Sports
Place of Manufacture:
Italy
Swing Arm:
cast aluminium, bolted, two beams
Power
Max Power Output:
22kW / 11250rpm
Max Torque:
20Nm / 10000rpm
Top Speed:
160kph
Suspension
Front:
40mm telescopoic upside down fork, not adjustable
Front Travel:
120mm
Rear:
Monoshock, adjustable spring preload
Rear Travel:
120mm
Tyres
Front:
110/70R17 Tubeless
Rear:
150/60R17 Tubeless
Wheels
Front:
3.00" x 17" five spoke, aluminium
Rear:
4.00" x 17" five spoke, aluminium
Add information to the model
All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.