Yamaha EF7000 Service Manual page 150

Valve:
Valve
Head 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
Valve clearance (cold)
Push rod:
Runout limit
Valve spring:
Free length
<Limit>
Set length
Set force
Tilt limit
MAINTENANCE SPECIFICATIONS
mm (in)
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
IN
EX
EX
IN
EX
IN
EX
IN
EX
IN
EX
mm (in)
mm (in)
IN
EX
IN
EX
IN
EX
IN N (kgf, lbf)
EX N (kgf, lbf)
mm (in)
7-6
32.0 (1.26)
28.0 (1.10)
5.948–5.963 (0.2342–0.2348)
5.940–5.955 (0.2339–0.2344)
5.918 (0.2330)
5.910 (0.2327)
88.1 (3.47)
88.1 (3.47)
0.9–1.1 (0.0354–0.0433)
0.9–1.1 (0.0354–0.0433)
1.6 (0.063)
1.6 (0.063)
0.9–1.1 (0.0354–0.0433)
0.9–1.1 (0.0354–0.0433)
1.6 (0.063)
1.6 (0.063)
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)
0.05–0.09 (0.0020–0.0035)
0.05–0.09 (0.0020–0.0035)
0.5 (0.02)
36.2 (1.4252)
36.2 (1.4252)
34.39 (1.35)
34.39 (1.35)
29.0 (1.14)
29.0 (1.14)
91.20–104.92 (9.30–10.70, 20.50–23.59)
91.20–104.92 (9.30–10.70, 20.50–23.59)
1.2 (0.047)
SPEC