Yamaha F15MHX Manuel D'entretien page 92

SPEC
Item
Seat width (C)
Margin thickness (D)
Intake
Exhaust
Stem outside diameter
Intake
Exhaust
Guide inside diameter
Stem-to-guide clearance
Intake
Exhaust
Stem runout limit
VALVE SPRING
Free length
Free length limit
Tilt limit
PISTON
Piston-to-cylinder clearance
Piston diameter (D)
Standard
Measuring point (H)
Pin boss inside diameter
Oversize piston diameter
1st
2nd
PISTON PIN
Outside diameter
PISTON RINGS
Top ring
Type
Dimensions (B x T)
End gap (installed)
Wear limit
Side clearance (installed)
2nd ring
Type
Dimensions (B x T)
End gap (installed)
Wear limit
Side clearance (installed)
MAINTENANCE SPECIFICATIONS (FT9.9D)
Unit
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
FT9.9DMH
0.6 ~ 0.8 (0.02 ~ 0.03)
0.50 ~ 0.90 (0.020 ~ 0.035)
0.50 ~ 0.90 (0.020 ~ 0.035)
5.475 ~ 5.490 (0.2155 ~ 0.2161)
5.460 ~ 5.475 (0.2150 ~ 0.2156)
5.500 ~ 5.512 (0.2165 ~ 0.2170)
0.010 ~ 0.037 (0.0004 ~ 0.0015)
0.025 ~ 0.052 (0.0010 ~ 0.0020)
0.016 (0.0006)
0.035 ~ 0.065 (0.0014 ~ 0.0026)
58.950 ~ 58.965 (2.3206 ~ 2.3215)
14.004 ~ 14.015 (0.5513 ~ 0.5518)
59.25 (2.333)
59.50 (2.343)
13.996 ~ 14.000 (0.5510 ~ 0.5512)
1.2 x 2.3 (0.05 x 0.09)
0.15 ~ 0.30 (0.006 ~ 0.012)
0.013 ~ 0.035 (0.0005 ~ 0.0013)
1.5 x 2.6 (0.06 x 0.10)
0.30 ~ 0.50 (0.012 ~ 0.020)
0.02 ~ 0.04 (0.001 ~ 0.002)
2-26
Model
FT9.9DEH FT9.9DE
34.4 (1.35)
32.7 (1.29)
1.5 (0.06)
5 (0.20)
Barrel
0.50 (0.020)
Plane
0.70 (0.028)
E