Maintenance Specifications; Engine - Yamaha EF2800i 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
Warpage limit
MAINTENANCE SPECIFICATIONS
mm (in)
0.015 ~ 0.040 (0.00059 ~ 0.00157)
0.100 (0.0039)
66.0 (2.598)
65.9 (2.594)
10.0 (0.4)
66.25 (2.6083)
66.50 (2.6181)
16.002 ~ 16.013 (0.6300 ~ 0.6304)
16.020 (0.6307)
mm (in)
15.995 ~ 16.000 (0.6297 ~ 0.6299)
15.950 (0.6280)
mm (in)
Barrel face
1.5 × 2.7 (0.059 × 0.106)
0.2 ~ 0.4 (0.008 ~ 0.016)
0.9 (0.0354)
0.04 ~ 0.08 (0.0016 ~ 0.0031)
0.1 (0.0039)
Taper
1.5 × 2.7 (0.059 × 0.106)
0.2 ~ 0.4 (0.008 ~ 0.016)
0.9 (0.0354)
0.02 ~ 0.06 (0.0008 ~ 0.0024)
0.1 (0.0039)
Solid
2.5 × 2.7 (0.098 × 0.106)
0.2 ~ 0.4 (0.008 ~ 0.016)
0.9 (0.0354)
mm (in)
0.05 (0.002)
mm (in)
66.00 ~ 66.02 (2.5984 ~ 2.5990)
66.020 (2.5990)
0.05 (0.002)
0.05 (0.002)
5-3
SPEC
EF2800i