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Bimota YB 11 Edizione Speciale

Verso la Moto2

di Marco giovedì, 11 dicembre 2008

qui di seguito il testo originale e delle nuove regole.

Regulation for 250cc Class 2011 (Moto2)


1. Engine

1.1 4-… engines

1.2 Engine capacity: maximum

1.3 4 cylinders maximum.

1.4 No oval

1.5 Engines must be normally No turbo-charging, no super-charging.

1.6 Engine limited to maximum: 16,000 4-cylinder engines

15,500 3-cylinder engines

15,000 2-cylinder engines

An electronic supplied by the Organisers will be attached to monitor and control speed.

1.7 Pneumatic valve is not permitted.

1.8 Inlet and Exhaust must be of conventional type poppet valves).

1.9 Variable timing or variable valve systems are not permitted.

1.10 Only wet-sump engine lubrication systems are

1.11 Minimum weight of engine with throttle dry:

53 kg 4-cylinder

50 kg 3-cylinder

47 kg 2

2. Inlet Fuel System

2.1 inlet tract systems are not

2.2 Only one throttle control per cylinder is permitted. No other devices are permitted in the inlet before the engine intake

2.3 Throttle bodies will a maximum internal diameter be perfectly circle except for the of dent or groove to allow the to come out) at engine out-let of:

42 mm for 4-cylinder

48 mm for 3-cylinder

59 mm for

2.4 Fuel injectors will be to a defined type (tba, on cost).

2.5 Fuel pressure must not 5.0 bar.

2.6 No artificial cooling of air or fuel.

2.7 Only air or air/fuel is permitted in the induction tract and chamber.

2.8 No direct fuel into the cylinder/head/combustion chamber.

2.9 specification will be for standard fuel (commercially available pump fuel).

3. Exhaust

3.1 Variable length exhaust are not permitted.

3.2 Noise limit be a maximum of 120 dB/A, measured in a test.

4. Transmission

4.1 A maximum of 6 speeds is permitted.

4.2 A maximum of 3 gear ratios for each speed, and 2 alternate ratios for the drive gear is permitted. will be required to declare the ratios for each gear at the beginning of the season.

4.3 Electro-mechanical or electro-hydraulic clutch systems are not permitted.

5. Ignition, Data-Logging

5.1 Data logger will be supplied by the series

5.2 Only the ECU/fuel injection units supplied by the series are allowed to be fitted to the motorcycle. control units include the transponder, engine RPM control, and systems. No other electronic or datalogging systems will be on the motorcycle.

Bimota YB 11 Edizione Speciale
Bimota YB 11 Edizione Speciale

The price of ECU unit by each engine manufacturer be equal to or less than JPY (about Euro 650).


6.1 Chassis will be a prototype, the and construction of which is free the constraints of the FIM Grand Prix Regulations. The frame, swing-arm, tank, seat and cowling are to use from a non-prototype as series road-going motorcycle.

6.2 Minimum Total Weight:

for 4-cylinder

130kg for 3-cylinder

for 2-cylinder

6.3 No carbon brake

7. Wheels Tyres

7.1 No carbon wheels.

7.2 The maximum permitted rim width is: Front 4.00 6.00 or 6.25

7.3 The only wheel rim diameter is: Front 17 17

7.4 The number of slick tyres to each rider per event be controlled.

8. Materials Construction

8.1 materials will be limited to expensive non-conventional materials and methods (a list will be

8.2 The following components must be from iron-based alloys: springs, camshafts, crankshafts, rods, piston pins, discs.

8.3 Engine crankcases and cylinder must be made from aluminium alloys.

8.4 Pistons be made from an aluminium

9. General

9.1 Number of machines: the can scrutineer only one motorcycle per

9.2 Number of engines: a maximum of 2 engines per rider is permitted at any Teams will be required to engine serial numbers at Control on the day before the first

9.3 Apart from the above all other construction criteria, and specifications are as per the FIM Grand Prix

9.4 The engine (excluding exhaust, bodies and ECU) used in a is available to be purchased by another in the same race for a fixed of €20,000 (Euro). Such request must be made in to Race Direction within the period, that is within 60 after the official end of the race. The and delivery will be completed at the end of the 60 minute protest period and be underwritten by IRTA.

Teams refusing to sell presented with a valid will be disqualified.

Bimota YB 11 Edizione Speciale
Bimota YB 11 Edizione Speciale


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