Honda Acura NSX 1991 Service Manual page 497

2ND CHECK
BALL
\
CHECK B
SPRING SPECIFICATIONS
No. Spring
2nd exhaust valve spring
CPC valve spring
2nd orifice control valve spring
4th exhaust valve spring
Servo control valve spring
3-2 kick down valve spring
4-3 kick down valve spring
CHECK BALLS
3RD CiiECK BALL
Wire Dia.
1 .o (0.039)
6.1 (0.240)
6.8 (0.268)
1 .o 10.039)
8.1 (0.319)
0.8 (0.031)
8.6 (0.339)
0.9 (0.035)
9.4 (0.370)
1.4 (0.055)
7.6 0.299)
0.8 (0.024)
8.1 (0.319)
6.1 (0.240)
6.6 (0.260)
0.9 (0.035)
Unit of length: mm (in)
Standard (New)
0 . 0 .
Free Length
27.1 (1.067)
32.1 (1.264)
47.9 (1.886)
48.3 (7.902)
33.0 (1.299)
24.4 (0.967)
53.5 (2.106)
27.1 (7.067)
30.7 (1.209)
r
No. of Coils
73.4
15.6
16.0
16.6
70.5
7.9
20.8
73.4
72.9