Maintenance Specifications; Engine - Yamaha EF3000iSE Service Manual

MAINTENANCE SPECIFICATIONS

ENGINE

Unit
Piston:
Piston clearance
<Limit>
Piston skirt "D"
<Limit>
Measuring point "H"
Oversize 1st
2nd
Piston pin hole inside diameter
<Limit>
Piston pin:
Piston pin diameter
<Limit>
Piston ring:
Top ring
Type
Dimensions "B × T"
End gap
<Limit>
Side clearance
<Limit>
2nd ring
Type
Dimensions "B × T"
End gap
<Limit>
Side clearance
<Limit>
Oil ring
Type
Dimensions "B × T"
End gap
<Limit>
Cylinder head:
Warpage limit
Cylinder:
Inside diameter "D"
<Limit>
Taper limit
MAINTENANCE SPECIFICATIONS
mm (in)
0.015 ~ 0.040 (0.00059 ~ 0.00157)
0.15 (0.00591)
65.975 ~ 65.990 (2.5974 ~ 2.5980)
65.9 (2.5945)
10.0 (0.4)
66.225 ~ 66.240 (2.6072 ~ 2.6079)
66.475 ~ 66.490 (2.6171 ~ 2.6177)
16.002 ~ 16.013 (0.6300 ~ 0.6304)
16.043 (0.6316)
mm (in)
15.995 ~ 16.000 (0.6297 ~ 0.6299)
16.043 (0.6316)
mm (in)
B
Barrel face
T
1.5 × 2.7 (0.0591 × 0.1063)
0.20 ~ 0.40 (0.0079 ~ 0.0157)
0.65 (0.0256)
0.04 ~ 0.08 (0.0016 ~ 0.0031)
0.13 (0.0051)
B
Taper
T
1.5 × 2.7 (0.0591 × 0.1063)
0.20 ~ 0.40 (0.0079 ~ 0.0157)
0.75 (0.0295)
0.02 ~ 0.06 (0.0008 ~ 0.0024)
0.12 (0.0047)
B
Solid
2.5 × 2.8 (0.0984 × 0.1102)
T
0.20 ~ 0.70 (0.0079 ~ 0.0276)
0.9 (0.0354)
mm (in)
0.05 (0.0020)
mm (in)
66.005 ~ 66.015 (2.5986 ~ 2.5990)
66.020 (2.5992)
0.05 (0.0020)
5-4
SPEC
EF3000iSE