Yamaha 2010 FX Nytro FX10X Service Manual page 492

Model
Valve spring:
Free length
Intake
<Limit>
Exhaust
<Limit>
Installed length (valve closed)
Intake
Exhaust
Compressed spring force (installed)
Intake
Exhaust
Spring tilt
Intake
Exhaust
Winding direction (top view)
Intake
Exhaust
Valve lifter:
Valve lifter outside diameter
Intake
<Limit>
Exhaust
<Limit>
Valve lifter hole inside diameter
Intake
<Limit>
Exhaust
<Limit>
Piston:
Piston size (D)
Measuring point (H)
Piston to-cylinder
clearance
<Limit>
Piston pin bore offset
Offset direction
Piston pin bore inside diameter
<Limit>
Piston pin:
Piston pin outside diameter
<Limit>
Piston pin length
Piston pin to piston pin bore clearance 0.004 ~ 0.024 mm (0.0002 ~ 0.0009 in)
<Limit>
MAINTENANCE SPECIFICATIONS
FX10Y/FX10RTRY/FX10RTRSY/FX10XTY/FX10MTRY
39.57 mm (1.56 in)
37.59 mm (1.48 in)
39.57 mm (1.56 in)
37.59 mm (1.48 in)
34.60 mm (1.36 in)
34.60 mm (1.36 in)
112.30 ~ 129.30 N (11.45 ~ 13.18 kg, 25.25 ~ 29.07 lb)
112.30 ~ 129.30 N (11.45 ~ 13.18 kg, 25.25 ~ 29.07 lb)
2.5°/1.7 mm (2.5°/0.07 in)
2.5°/1.7 mm (2.5°/0.07 in)
Clockwise
Clockwise
26.482 ~ 26.488 mm (1.0426 ~ 1.0428 in)
26.457 mm (1.0416 in)
26.482 ~ 26.488 mm (1.0426 ~ 1.0428 in)
26.457 mm (1.0416 in)
26.500 ~ 26.518 mm (1.0433 ~ 1.0440 in)
26.548 mm (1.0452 in)
26.500 ~ 26.518 mm (1.0433 ~ 1.0440 in)
26.548 mm (1.0452 in)
81.950 ~ 81.965 mm (3.2264 ~ 3.2270 in)
11.0 mm (0.43 in)
0.035 ~ 0.060 mm (0.0014 ~ 0.0024 in)
0.120 mm (0.0047 in)
0.5 mm (0.020 in)
Exhaust side
19.004 ~ 19.015 mm (0.7482 ~ 0.7486 in)
19.045 mm (0.7498 in)
18.991 ~ 19.000 mm (0.7477 ~ 0.7480 in)
18.971 mm (0.7469 in)
52.7 ~ 53.0 mm (2.07 ~ 2.09 in)
0.074 mm (0.0029 in)
76
SPEC