Yamaha Motor PHAZER Venture PZ50X Supplément Au Manuel D'atelier page 92

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 off set
Off-set direction
Piston pin bore inside diameter
<Limit>
Piston pin:
Piston pin outside diameter
<Limit>
Piston pin length
Piston pin to piston pin bore clearance
<Limit>
MAINTENANCE SPECIFICATIONS
PZ50/PZ50GT/PZ50RT/PZ50MT/PZ50VT/PZ50MP
36.51 mm (1.44 in)
34.68 mm (1.37 in)
37.92 mm (1.49 in)
36.02 mm (1.42 in)
30.13 mm (1.19 in)
30.50 mm (1.20 in)
120.7 ~ 138.9 N (12.3 ~ 14.2 kg, 27.1 ~ 31.2 lb)
150.6 ~ 173.2 N (15.4 ~ 17.7 kg, 33.9 ~ 38.9 lb)
2.5°/1.6 mm (0.06 in)
2.5°/1.7 mm (0.07 in)
Clockwise
Clockwise
19.982 ~ 19.988 mm (0.7867 ~ 0.7869 in)
19.957 mm (0.7857 in)
22.482 ~ 22.488 mm (0.8851 ~ 0.8854 in)
22.457 mm (0.8841 in)
20.000 ~ 20.018 mm (0.7874 ~ 0.7881 in)
20.048 mm (0.7893 in)
22.500 ~ 22.518 mm (0.8858 ~ 0.8865 in)
22.548 mm (0.8877 in)
76.955 ~ 76.970 mm (3.0297 ~ 3.0303 in)
11.0 mm (0.43 in)
H
0.030 ~ 0.055 mm (0.0012 ~ 0.0022 in)
D
0.120 mm (0.0047 in)
0.5 mm (0.0197 in)
Intake side
17.002 ~ 17.013 mm (0.6694 ~ 0.6698 in)
17.043 mm (0.6710 in)
16.991 ~ 17.000 mm (0.6689 ~ 0.6693 in)
16.971 mm (0.6681 in)
42.7 ~ 43.0 mm (1.6811 ~ 1.6929 in)
0.002 ~ 0.022 mm (0.0001 ~ 0.0009 in)
0.072 mm (0.0028 in)
42
SPEC