Yamaha EF4500iSE Theory & Diagnostics Manual page 159

Valve:
Valve
Face diameter "A"
Stem diameter "B"
<Limit>
Stem length "C"
Valve face contact
width "D"
<Limit>
Valve seat contact width IN
<Limit>
Valve stem runout limit
"θ"
Valve guide
Guide inside diameter
Stem to guide clearance IN
Valve clearance (cold)
Push rod:
Runout limit
Current Model Specifications and Wiring Diagrams – EF6600DE
MAINTENANCE SPECIFICATIONS
Unit
mm (in)
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
EX
IN
EX
IN
EX
EX
IN
EX
mm (in)
EF6600DE
32.0 (1.26)
27.0 (1.06)
5.948 ~ 5.963 (0.2342 ~ 0.2348)
5.940 ~ 5.955 (0.2339 ~ 0.2344)
5.9 (0.2323)
5.9 (0.2323)
88.1 (3.47)
87.9 (3.46)
0.7 ~ 0.9 (0.0276 ~ 0.0354)
0.7 ~ 0.9 (0.0276 ~ 0.0354)
1.4 (0.0551)
1.4 (0.0551)
0.7 ~ 0.9 (0.0276 ~ 0.0354)
0.7 ~ 0.9 (0.0276 ~ 0.0354)
1.4 (0.0551)
1.4 (0.0551)
0.01 (0.0004)
90°
6.000 ~ 6.012 (0.2362 ~ 0.2367)
6.000 ~ 6.012 (0.2362 ~ 0.2367)
0.037 ~ 0.064 (0.00146 ~ 0.00252)
0.045 ~ 0.072 (0.00177 ~ 0.00283)
0.08 ~ 0.12 (0.0031 ~ 0.0047)
0.08 ~ 0.12 (0.0031 ~ 0.0047)
0.5 (0.02)
3-83
24
SPEC
YG6600D YG6600DE