5-4
SPEC
MAINTENANCE SPECIFICATIONS
Crankshaft:
mm (in)
Big end side clearance “A”
0.20 ~ 0.60 (0.008 ~ 0.024)
<Limit>
0.75 (0.029)
Runout “B”
<Limit>
0.04 (0.0016)
Crank pin diameter “C”
28.0 (1.102)
<Limit>
27.9 (1.098)
Connecting rod:
mm (in)
Small end diameter “A”
16.006 ~ 16.020 (0.6301 ~ 0.6307)
Oil clearance
0.006 ~ 0.025 (0.0002 ~ 0.0010)
Big end diameter “B”
28.000 ~ 28.015 (1.1023 ~ 1.1029)
Oil clearance
0.015 ~ 0.040 (0.0006 ~ 0.0016)
<Limit>
0.1 (0.004)
Camshaft:
mm (in)
Camshaft outside diameter
Cam dimension
IN
EX
“A”
26.9 ± 0.05
(1.06 ± 0.002)
26.68 ± 0.05
(1.05 ± 0.002)
“B”
22.0 ±0.05
(0.87 ± 0.002)
22.03 ± 0.05
(0.87 ± 0.002)
Camshaft journal
14.965 ~ 14.990 (0.5892 ~ 0.5902)
<Limit>
14.950 (0.59)
Valve:
mm (in)
Valve
Face diameter “A”
IN
24.0 (0.94)
EX
22.0 (0.87)
Stem diameter “B”
IN
5.5 (0.22)
EX
5.5 (0.22)
Stem lengtlh “C”
IN
65.9 (2.59)
EX
66.2 (2.61)
Valve face contanct
width “D”
IN
0.7 (0.03)
EX
0.7 (0.03)
<Limit>
1.7 (0.067)
Valve stem runout limit
0.01 (0.0004)
“
θ
”
90°
Valve guide
Guide inside diameter
IN
5.5 (0.22)
EX
5.5 (0.22)
<Limit>
IN
5.4 (0.21)
EX
5.4 (0.21)
Stem to guide clearance IN
0.04 ~ 0.06 (0.0016 ~ 0.0020)
EX
0.06 ~ 0.08 (0.002 ~ 0.003)
Valve clearance
IN
0.1 (0.004)
EX
0.1 (0.004)
Unit
EF2800i
Summary of Contents for EF2800i - Inverter Generator
Page 1: ...SERVICE MANUAL EF2800i LIT 19616 00 92 7VU 28197 10 310115 ...
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Page 102: ...PRINTED ON RECYCLED PAPER PRINTED IN USA YAMAHA MOTOR CO LTD E ...
