YAMAHA YZR250 '88


Juan Garriga's machine at Rijeka
ENGINE TYPE two-stroke, water cooled
twin cylinder (70º V formation)
crankcase reed valve
twin crankshaft (turn in opposite directions)
BORE × STROKE 56 × 50.7mm
DISPLACEMENT 249.6cm³
EXHAUST DEVICE YPVS
varying ex-port height by electronically controlled valve
valve shape: flat
CARBURETTOR 2 Mikuni TM type or 2 Keihin PJ type
IGNITION CDI digital with battery
GEARBOX extractable 6 speeds
CLUTCH dry multiple discs
FRAME twin spar alluminium (DELTABOX)
SUSPENSIONS FRONT telescopic fork
inner-tube diameter: ø40mm
adjustable spring pre-load, compression and rebound damping
REAR swing-arm and mono-shock with linkage
adjustable spring pre-load, compression and rebound damping
BRAKES FRONT disc: cast-iron, floating mounted (ø290mm)
caliper: Brembo 4 pistons
REAR disc: ø200mm
caliper: Nissin 2 pistons
DIMENSIONS weight: 90kg

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