Yamaha FZ-16 Service Manual page 21

Supply Chain
Model
Tensioning System
Rocker / Rocker
Inner diameter of the beam
Limit
Outer diameter of the beam
Limit
Valves, valve seats, valve guides
Valve clearance (cold)
Admission
Exhaust
Valve dimensions
Diameter of the valve head
A (Admission)
Diameter of the valve head
A (exhaust)
A
Face width of the valve B (Admission)
Face width of the valve B (Escape)
B
Width of the seat valve C (Admission)
Width of the seat valve C (Escape)
C
Thickness D of the valve margin (Admission) 0.50-0.90mm
Thickness D of the valve margin (Escape) 0.50-0.90mm
Diameter of the valve stem (Admission)
Limit
Diameter of the valve stem (Escape)
Limit
Internal diameter of the valve guide (Admission)
Limit
Internal diameter of the valve guide (Escape)
Limit
Clearance between the valve stem and the guide
(Admission)
D
SPECIFICATIONS ENGINE
Silent chain
Automatic
9985-10.000mm
10.030mm
9966-9.976mm
9.950mm
0.08-0.12mm
0.12-0.16mm
27.90-28.10mm
23.40-23.60mm
1538-2.138mm
1538-2.138mm
0.90-1.10mm
0.90-1.10mm
4975-4.990mm
4.950mm
4960-4.975mm
4.935mm
5,000-5.012mm
5.042mm
5,000-5.012mm
5.042mm
0.010-0.037mm
2-4