Maintenance Specifications (F15A) - Yamaha F15MHX Manuel D'entretien

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
Set length
Tilt limit
PISTON
Piston-to-cylinder clearance
Piston diameter (D)
Standard
Measuring point (H)
Pin boss inside diameter
Oversize piston diameter
1st (except for USA)
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 (F15A)

Unit
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm/kg (in/lb)
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)
World-
F15AMH
wide
USA/
F15MHX
CANADA
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)
25.4/11.0 (1.00/24.2)
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)
2-4
Model
F15AEH F15AE
F15EHX
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
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