Aprilia RS125 model History and Specs

Aprilia RS 125 for sale here on Ebay UK 

Aprilia RS 125 parts for sale here on Ebay UK

Aprilia Rs125 model History and Specs

see also  aprilia Rs125 Race replica special edition Racing paintwork scheme models

for race replica / special editions see here

1991-97 type GS

1995-98 type MP

1999-05 type SF

2006-07 type PY

2007-08 type RD

2008-12 type RM

Aprilia rs125 extrema 1992-95

this model was introduced in 1992 , the main features of this model are a 34mm carb , square headlamp , three spoke wheels , air scoops on front fairing and the 123 engine .

analogue temp gauges.

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Aprilia rs125 96-98

apillia rs125 96-98  short lived model , R dropped from title , a new 122 engine used (used until rs4)

air intake moved , new style headlamp , digital temp gauge fitted .

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aprilia rs125 99-05 

Aprilia rs125 99-05 

fairing restyle , five spoke wheels , single r/h air duct , headlight restyle .

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Aprilia rs125 2006 on 

2006 >

complete fairing restyle , headlamp restyle , digital gauges , multi spoke wheels , brake system upgrade .

2008> emissions bollox causes change in electric ignition systems from nippo denso to Piaggio .

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2012 rs4 125 4 stroke - NOT INTERESTED .

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Aprilia rs125 technical specs for all models

Aprilia rs125r extrema 92-95 

ENGINE TYPE

Liquid Cooled, Single Cylinder, Two Stroke,

Reed Valves Induction 

DISPLACEMENT 125cm3

BORE X STROKE 2.12X2.14 in OR 54 mm

COMPRESSION RATIO 14.5:1 

HORSEPOWER 25(34)/11000 KW(hp)/RPM

TORQUE 18/9000 lb-ft/RPM OR 24/9000 Nm/RPM

FUEL SYSTEM Dell'Orto VHSB 34LD Carburetor

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6speed gearbox

FRONT SUSPENSION 40mm Upside-down Forks 

REAR SUSPENSION Monoshock Absorber 

FRONT BRAKE 2x320mm Discs 4 Piston Calipers 

REAR BRAKE Single 240mm Disc 2 Piston Caliper

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TYRES

FRONT 110/70-17 REAR150/60-17

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Aprilia rs125 97-98 

TYPE Single Cylinder Two-stroke 

DISPLACEMENT 124.8 cm3 

BORE X STROKE2.12X2.14 in OR 54 mm

COMPRESSION RATIO 12.5:1 

HORSEPOWER 25(34)/11000 KW(hp)/RPM 

TORQUE18/9000 lb-ft/RPM OR 24/9000 Nm/RPM 

FUEL SYSTEM

Dell’Orto PHBH 28 BD

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TRANSMISSION

GEARBOX 6 Speed 

CLUTCH Multiple Discs In Oil Bath 

PRIMARY DRIVE Gear 

FINAL DRIVE Chain

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CHASSIS

FRAME Cast Aluminium Sloping Twin-spar With Thin Walled Structural Shell And Cross Rib Reinforcement 

FRONT SUSPENSION Upside-down Hydraulic Action Telescopic Fork 

REAR SUSPENSION Cast Aluminium Swing-arm With Asymmetrical Members 

FRONT BRAKE Floating 320 Mm Disc 

REAR BRAKE Disc Brake, 220 Mm

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DIMENSION

OVERALL LENGTH 76.8 in OR 1951 mm 

OVERALL WIDTH 28.3 in OR 719 mm 

SEAT HEIGHT 44.7 in OR 1135 mm 

WEELBASE 53 in OR 1346 mm 

GROUND CLEARANCE- WEIGHT 313.1 lbs OR 142 kg

FUEL CAPACITY 3.7 gallons OR 3.7 L

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TYRES

FRONT 110/70 ZR 17 

REAR 150/60 ZR 17

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aprilia 1999-2005 stats

ENGINE TYPE Single Cylinder Two-stroke
DISPLACEMENT1 24.8 cm3BORE X STROKE2.12X2.14 in OR 54 mm
COMPRESSION RATIO 12.5:1 HORSEPOWER25(34)/11000 KW(hp)/RPM
TORQUE 15/9000 lb-ft/RPM OR 20/9000 Nm/RPM
FUEL SYSTEM Dell’Orto PHBH 28 BD
TRANSMISSION GEARBOX 6 Speed CLUTCH Multiple Discs In Oil Bath PRIMARY DRIVEGear FINAL DRIVEChain
CHASSIS FRAME Cast Aluminium
REAR SUSPENSION Swinging Fork With Two Asymmetric Arms In Aluminium Fusion With Thin-walled Monocoq
FRONT BRAKE Single 320mm Disc 4 Piston Caliper
REAR BRAKESingle 220mm Disc 1 Piston Caliper


DIMENSION OVERALL LENGTH 76.8 in OR 1951 mm
OVERALL WIDTH 28.3 in OR 719 mm
SEAT HEIGHT 44.7 in OR 1135 mm
WEELBASE53 in OR 1346 mm
WEIGHT 313.1 lbs OR 142 kg
FUEL CAPACITY 3.7 gallons OR 3.7 L
TYRES FRONT110/70 ZR 17 REAR150/60 ZR 17


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Aprilia rs125 2006>

engine Single Cylinder Two-stroke
DISPLACEMENT 124.8 cm3
BORE X STROKE2.12X2.14 in OR 54 mm
COMPRESSION RATIO 12.5:1
HORSEPOWER 25(34)/11000 KW(hp)/RPM
TORQUE 15/9000 lb-ft/RPM OR 20/9000 Nm/RPM
FUEL SYSTEM Dell’Orto PHBH 28 BD

TRANSMISSION
GEARBOX 6 Speed
CLUTCH Multiple Discs In Oil
PRIMARY DRIVE Gear
FINAL DRIVE Chain
FRAME Cast Aluminium
FRONT SUSPENSION Upside-down Hydraulic Action Telescopic Fork
REAR SUSPENSIONCast Aluminium Box Section Swingarm With Asymmetric Members
FRONT BRAKE Single 320mm Disc 4 Piston Caliper
REAR BRAKESingle 220mm Disc 1 Piston Caliper

DIMENSION
OVERALL LENGTH 76.9 in OR 1953 mm
OVERALL WIDTH 28.3 in OR 719 mm
SEAT HEIGHT 43.3 in OR 1100 mm
WEELBASE 52.9 in OR 1344 mm
WEIGHT 313.1 lbs OR 142 kg
FUEL CAPACITY 3.7 gallons OR 3.7 L
TYRES FRONT110/70 ZR 17 REAR150/60 ZR 17

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