ENGINE SPECIFICATIONS
2-6
Piston
Piston-to-cylinder clearance
0.025
–
0.050 mm (0.0010
–
0.0020 in)
Limit
0.15 mm (0.0059 in)
Diameter D
73.960
–
73.975 mm (2.9118
–
2.9124 in)
Height H
11.0 mm (0.43 in)
Offset
0.50 mm (0.0197 in)
Offset direction
Intake side
Piston pin bore inside diameter
16.002
–
16.013 mm (0.6300
–
0.6304 in)
Limit
16.043 mm (0.6316 in)
Piston pin outside diameter
15.991
–
16.000 mm (0.6296
–
0.6299 in)
Limit
15.970 mm (0.6287 in)
Piston-pin-to-piston-pin-bore clearance
0.002
–
0.022 mm (0.0001
–
0.0009 in)
Limit
0.073 mm (0.0029 in)
Piston ring
Top ring
Ring type
Barrel
Dimensions (B
×
T)
0.90
×
2.75 mm (0.04
×
0.11 in)
End gap (installed)
0.19
–
0.31 mm (0.0075
–
0.0122 in)
Limit
0.60 mm (0.0236 in)
Ring side clearance
0.030
–
0.065 mm (0.0012
–
0.0026 in)
Limit
0.100 mm (0.0039 in)
2nd ring
Ring type
Taper
Dimensions (B
×
T)
0.80
×
2.80 mm (0.03
×
0.11 in)
End gap (installed)
0.30
–
0.45 mm (0.0118
–
0.0177 in)
Limit
0.60 mm (0.0236 in)
Ring side clearance
0.020
–
0.055 mm (0.0008
–
0.0022 in)
Limit
0.100 mm (0.0039 in)
Oil ring
Dimensions (B
×
T)
1.50
×
2.60 mm (0.06
×
0.10 in)
End gap (installed)
0.10
–
0.35 mm (0.0039
–
0.0138 in)
H
D
T
B
B
T
B
T
Summary of Contents for XG250
Page 1: ...SERVICE MANUAL XG250 4D6 28197 E0 ...
Page 39: ...LUBRICATION SYSTEM CHART AND DIAGRAMS 2 23 LUBRICATION DIAGRAMS ...
Page 41: ...CABLE ROUTING 2 25 CABLE ROUTING ...
Page 43: ...CABLE ROUTING 2 27 ...
Page 45: ...CABLE ROUTING 2 29 ...
Page 47: ...CABLE ROUTING 2 31 ...
Page 49: ...CABLE ROUTING 2 33 ...
Page 217: ...CARBURETOR 6 8 ...
Page 218: ...AIR INDUCTION SYSTEM 6 9 EAS27040 AIR INDUCTION SYSTEM ...
Page 222: ...AIR INDUCTION SYSTEM 6 13 ...
Page 237: ...CHARGING SYSTEM 7 14 ...
Page 241: ...LIGHTING SYSTEM 7 18 ...
Page 247: ...SIGNALING SYSTEM 7 24 ...
Page 251: ...CARBURETOR HEATING SYSTEM 7 28 ...
Page 252: ...ELECTRICAL COMPONENTS 7 29 EAS27970 ELECTRICAL COMPONENTS 1 2 3 4 5 6 8 7 9 ...