THE EXHAUST SYSTEM

Exhaust valve diameter

28

mm

Exhaust valve area

616

mm²

Number of exhaust valves

1

Total exhaust valve area

616

mm2

Velocity of sound

800

m/s

Diameter of exhaust pipe

31

mm

Optimum dia. of exhaust pipe 7)

33

mm

Order of pulsation q = 6

Length of exhaust pipe

528

mm

Taper of megaphone 8)

2.77

°

Length of megaphone 10)

852

mm

L/k= 9)

1.33

Major diameter of megaphone 10)

72

mm

7) based on exhaust gas velocity of 70 m/s.

8) Should be between 2.5°and 4°

9) Should be between 1.3 and 2.8 according to Honda R&D

10) based on actual diameter of exhaust pipe