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ENG
3. Remove:
• valve spring retainer
1
• valve spring
2
• valve stem seal
3
• valve spring seat
4
• valve
5
NOTE:
_
Identify the position of each part very carefully
so that it can be reinstalled in its original place.
EBS00240
CHECKING THE VALVES AND VALVE
SPRINGS
The following procedure applies to all of the
valves and valve guides.
1. Measure:
• valve-stem-to-valve-guide clearance
Out of specification
→
Replace the valve
guide.
Stem-to-guide clearance =
Valve guide inside diameter
a
–
Valve stem diameter
b
Stem-to-guide clearance
Intake
0.010 ~ 0.037 mm
(0.0004 ~ 0.0015 in)
<Limit>: 0.08 mm (0.0031 in)
Exhaust
0.025 ~ 0.052 mm
(0.0010 ~ 0.0020 in)
<Limit>: 0.10 mm (0.0039 in)
Содержание YFM700RV 2009
Страница 1: ...YFM700RV SERVICE MANUAL 1S3 28197 E0 ...
Страница 34: ...2 11 SPEC ENGINE SPECIFICATIONS Cylinder head tightening sequence 1 3 2 4 5 7 8 6 ...
Страница 52: ...2 29 SPEC OIL FLOW DIAGRAMS 1 Oil delivery pipe 2 Oil filter 3 Oil pump 2 3 A A A A 2 1 ...
Страница 55: ...2 32 SPEC OIL FLOW DIAGRAMS 1 Balancer 1 2 Crankshaft 2 1 ...
Страница 408: ...YAMAHA MOTOR CO LTD 2500 SHINGAI IWATA SHIZUOKA JAPAN ...