Yamaha WaveRunner FX Cruiser SHO, Service Manual

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2-5
E
SPEC
Valve spring
Free length
Intake and exhaust mm (in) 45.58 (1.794)
Installed length
Intake and exhaust mm (in) 34.00 (1.339)
Tilt limit
Intake and exhaust mm (in) 2.0 (0.08)
Cylinder
Bore size mm (in) 86.000 – 86.015 (3.3858 – 3.3864)
Piston
Piston outside
diameter D mm (in) 85.915 – 85.930 (3.3825 – 3.3831)
Measuring point H mm (in) 10.0 (0.39)
Piston ring groove
Top ring mm (in) 1.21 – 1.23 (0.0476 – 0.0484)
2nd ring mm (in) 1.21 – 1.23 (0.0476 – 0.0484)
Oil ring mm (in) 2.51 – 2.53 (0.0988 – 0.0996)
Piston pin boss bore diameter mm (in) 22.004 – 22.015 (0.8663 – 0.8667)
Piston pin
Outside diameter mm (in) 21.991 – 22.000 (0.8658 – 0.8661)
Piston ring
Top ring
Type Barrel
Dimension B mm (in) 1.17 – 1.19 (0.0461 – 0.0469)
Dimension T mm (in) 2.85 – 3.05 (0.112 – 0.120)
End gap (installed)
*1
mm (in) 0.30 – 0.45 (0.012 – 0.018)
Side clearance mm (in) 0.02 – 0.06 (0.0008 – 0.0024)
2nd ring
Type Taper
Dimension B mm (in) 1.17 – 1.19 (0.0461 – 0.0469)
Dimension T mm (in) 2.60 – 2.80 (0.102 – 0.110)
End gap (installed)
*1
mm (in) 0.45 – 0.60 (0.018 – 0.024)
Side clearance mm (in) 0.02 – 0.06 (0.0008 – 0.0024)
Oil ring
Dimension B mm (in) 2.37 – 2.47 (0.093 – 0.097)
Dimension T
*1
mm (in) 2.50 (0.098)
End gap (installed)
*1
mm (in) 0.10 – 0.35 (0.004 – 0.014)
Side clearance mm (in) 0.04 – 0.16 (0.0016 – 0.0063)
*1 The figures are for reference only.
Item Unit
Model
FX SHO FX Cruiser SHO
T
B
T
B
B
T
Maintenance specifications