• Figure 1 is a vertical view, partly in cross section, of the engine;
• Fig. 2 is a plan sectional view showing the location of the cylinders in dotted outline and of the crank case and one power trans mitting lever in full lines;
• Fig. 3 is a diagram showing the firing Order of the cylinders;
• Fig. 4 is a longitudinal view of the crank shaft.

1. Crank Case
2. inserts/plates
3. bifureated supports
4. bolt(s)
5. aligned apertures
6. pin
7. lever
8. piston
9. connection rod
10. water jacketed cylinder
11. crank shaft
12. cranks
13. bearings
14. bearings
15. bearings
16. extending portions of the crank case
17. extending portions of the crank case
18. extending portions of the crank case
19. bearing
20. upstanding portion extending from the bottom of the crank case
21. bearing surface
22. bearing surface
23. bearing surface
24. bearing surface
25. bearing surface

Cylinders on the lefthand side:

• 1^L, 2^L, 3^L and 4^L

Cylinders on the righthand side:

• 1^R, 2^R, 3^R and 4^R