APRILIA RSR125 1994


Kazuto Sakata's machine at Mugello (after the end of the season)
ENGINE TYPE two-stroke, water cooled
single cylinder
rotary disc valve: 1
BORE × STROKE 54 × 54.5mm
DISPLACEMENT 124.8cm³
COMPRESSION RATIO 18:1
EXHAUST DEVICE RAVE system
varying ex-port height by electronically controlled valve
RAVE blackbox is mounted under the engine: 2
MAX. POWER over 45HP at 12,500rpm
CARBURETTOR Dell'Orto VHSB39 flat valve
carburettor: 3 and ram-air duct: 4 are shown below
IGNITION CDI digital with battery
GEARBOX extractable 6 speeds
CLUTCH dry multiple discs
FRAME twin spar alluminium: 5
SUSPENSIONS FRONT upside-down telescopic fork
adjustable spring pre-load, compression and rebound damping
Sakata: Öhlins (inner-tube diameter: ø38mm)
Perugini: White Power (inner-tube diameter: ø35mm): 6
REAR swing-arm and mono-shock with linkage: 7
adjustable spring pre-load, compression and rebound damping
Sakata: Öhlins
Perugini: White Power
BRAKES FRONT disc: cast-iron (ø300mm)
caliper: Brembo 4 pistons
REAR disc: ø172mm
caliper: Brembo 2 pistons
WHEELS / TIRES FRONT Marchesini, magnesium alloy / DUNLOP
REAR Marchesini, magnesium alloy / DUNLOP
DIMENSIONS length × width × height: 1840 × 380 × 910mm
seat height: 720mm
wheel base: 1270mm
weight: 71kg
caster / trail: adjustable (24±1º) / adjustable
fuel tank capacity: 13 litres

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