1 Engine and frame numbers

2 Model chart

3 Altérations de modèles

4 Couleurs

5 Pistons

6 Camshaft

7 Valve spring lengths

8 Magnetos

9 Bougies

10 Carburettor settings

11 Oil tank capacity

12 Transmission

13 Rear suspension springs

14 Wheel rims

15 Wheel spokes

16 Wheel brakes