TECH SPECS
Engine Type  Rotax/Aprilia Model 122 Engine, Single cylinder liquid cooled 2-stroke with Aluminium Gilnisil coated cylinder
Induction  Laminar reed-valve induction directly into the crankcase
PowervalveVariable height exhaust port (opened up to 2,500rpm, closed from 2,500 to 7,800, opened from 7,800rpm upwards)
Displacement  124,82cm3
Bore x Stroke  54mm x 54.5mm
Compression Ratio  12.5 (�0.5) : 1
Idling Speed  1250rpm (�100rpm)
Carburettor  Dell'Orto PHBH 28BD (28mm)
Clutch  6 ferodo discs, 6 aluminium discs, 6 34.8mm springs. Bathed in oil.
Transmission  Straight cut 6-speed gearbox (1 down, 5 up)
Lubrication  Variable capacity pump with variable strength (1-3%)StartingElectricIgnitionCDI Digital ignition with variable spark advance (12� �2� to 2000rpm)
Spark Plug  NGK B10EG (full power) or NGK B8EG (11kw or 15bhp version)
Max Power  33bhp @ 11,250rpm
Max Torque  2.4NM @ 10,000rpm
Max Speed  180 KM/H @12,500rpm
Frame  Aluminium double beam with cast and stamped sheet elements, fully polished
Front Suspension  Marzocci hydraulic/spring inverted �40mm in high tensile steel 120mm travel
Rear Suspension  Sachs hydraulic Mono-shock absorber with 44.5mm travel
Rear Swingarm  Two asymmetric arms, in aluminium fusion with thin-walled monocoque
Front Sprocket  17 tooth
Rear Sprocket  40 tooth
Wheelbase  1345mm
Max length  1950mm
Max width  720mm
Seat height  805mm
Min ground clearance  163mm
Front Brake  Floating �320mm disc with 4pot Grimeca caliper - FERODO pads
Rear Brake  �220 mm disc with 2pot Grimeca caliper - FERODO pads
Front wheel/tyre  Light Alloy Grimeca, 110/70-17" (1.8bar pressure)
Rear wheel/tyre  Light Alloy Grimeca, 150/60-17" (2.0bar pressure)
Fuel Tank  13L (incl. 3.5L reserve)
Oil Tank  1.4L (incl. 0.35L reserve)
Transmission Oil  600cm3
Dry Weight  114KG
Wet Weight  139KGEngine TypeRotax/Aprilia Model 122 Engine, Single cylinder liquid cooled 2-stroke with Aluminium Gilnisil coated cylinder
InductionLaminar reed-valve induction directly into the crankcase
PowervalveVariable height exhaust port (opened up to 2,500rpm, closed from 2,500 to 7,800, opened from 7,800rpm upwards)
Displacement124,82cm3
Bore x Stroke54mm x 54.5mm
Compression Ratio12.5 (�0.5) : 1Idling Speed1250rpm (�100rpm)
CarburettorDell'Orto PHBH 28BD (28mm)
Clutch6 ferodo discs, 6 aluminium discs, 6 34.8mm springs. Bathed in oil.
TransmissionStraight cut 6-speed gearbox (1 down, 5 up)
LubricationVariable capacity pump with variable strength (1-3%)StartingElectricIgnitionCDI Digital ignition with variable spark advance (12� �2� to 2000rpm)
Spark PlugNGK B10EG (full power) or NGK B8EG (11kw or 15bhp version)
Max Power33bhp @ 11,250rpm
Max Torque2.4NM @ 10,000rpm
Max Speed180 KM/H @12,500rpm
FrameAluminium double beam with cast and stamped sheet elements, fully polished
Front SuspensionMarzocci hydraulic/spring inverted �40mm in high tensile steel 120mm travel
Rear SuspensionSachs hydraulic Mono-shock absorber with 44.5mm travel
Rear SwingarmTwo asymmetric arms, in aluminium fusion with thin-walled monocoque
Front Sprocket17 tooth
Rear Sprocket40 tooth
Wheelbase1345mm
Max length1950mm
Max width720mm
Seat height805mm
Min ground clearance163mm
Front BrakeFloating �320mm disc with 4pot Grimeca caliper - FERODO pads
Rear Brake�220 mm disc with 2pot Grimeca caliper - FERODO pads
Front wheel/tyreLight Alloy Grimeca, 110/70-17" (1.8bar pressure)
Rear wheel/tyreLight Alloy Grimeca, 150/60-17" (2.0bar pressure)
Fuel Tank13L (incl. 3.5L reserve)
Oil Tank1.4L (incl. 0.35L reserve)
Transmission Oil600cm3
Dry Weight114KG
Wet Weight139KG
RS125
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