the aprilia rs 250
95-96 model MAX BIAGGI race replica
SPECS...
| Engine Type | two-stroke, two-cylinder in 90° V formation, liquid cooled, lamellar intake in the casing. Sequential two-stage valve on the exhaust, electronically managed by a digital control unit and controlled by a "step-by-step" motor |
| Pistons | in special alloy with a high silicon content |
| Bore and stroke | 56 x 50.6 mm |
| Displacement | 249 cc |
| Compression Ratio | 13.2:1 |
| Carburettors (2) | Mikuni TM 34 SS with flat valve, with electronic management by electrovalves that section the maximum air passages and the idling circuits |
| Ignition | CDI digital, with advance mapping programmed on three perameters (opening of carburettors valves, opening speed, engine running speed) |
| Start-up | kick starter |
| Gearbox | 6 speeds, entirely extractable. Forced lubrication with a volumetric pump |
| Clutch | multiple discs in an oil bath |
| Frame | inclined double beam in an alloy of alluminium and magnesium, with thin wall shell structure. Sleeve and side plates cast in an alloy of alluminium and magnesium |
| Suspensions | front: fork with
upside-down rods in high resistance steel, Ø 40 mm, with adjustable
extension and compression. Wheel bump position 120 mm.
rear: swinging rear fork in alloy of alluminium and magnesium, with arms with differentiated design. Single shock-absorber with separate tank, adjustable extension, compression and spring preloading. Wheel bump position 130 mm |
| Brakes | front brake with
double floating disc, Ø 298 mm, caliper with 4 positions with
differentiated diameter;
rear brake with single disc, Ø 220 mm |
| Rims | in alluminium
alloy, with 5 tangential spokes.
Front 3.00 x 17"; rear 4.50 x 17" |
| Tyres | radial tubeless; front: 110/70 ZR 17"; rear: 150/60 ZR 17" |
| Dimensions | maximum length 1980
mm.
maximum width 690 mm. maximum height 1090 mm. wheel base 1370 mm. |
| Dry Weight | 141 kg. |
| Fuel Tank Capacity | 16.5 litres (reserve 3 litres) |
future modifications : 316cc big bore kit , arrow titanium exhaust and a performance air filter.
