Camshaft, Cam Chain And Cam Sprocket - Yamaha YX600S Service Manual

I
ENG
I
~11,
INSPECTION AND REPAIR
3-25
Valve Installation
1. Lubricate:
•Valve stem
•Oil seal
High-Quality Molybdenum Disul-
fide Motor Oil or Molybdenum
Disulfide Grease
2. Install:
•Valve
CD
•Valve spring seat
~
•Oil seal@
•Valve springs
@
•Valve spring seat
@
•Valve retainers
@
NOTE:
~~~~~~~~~~~~~~
Install all springs with wider-gapped coils facing
upwards as shown.
CAMSHAFT, CAM CHAIN AND CAM
SPROCKET
Camshaft
1. Measure:
•Large cam lobe length
CD
•Small cam lobe length
~
Use a micrometer.
Out of specification-+ Replace.
Intake
Exhaust
CD
36.25-36.35 mm
35.75-35.85 mm
(1.427-1.431 in) 11.408-1.411 in)
®
28.10-28.20 mm 28.05-28.15 mm
(1.106-1.110 in)
(1.104-1.108 in)