Yamaha FZ-16 2015 User Manual

5-16
V
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LVULAS Y RESORTES DE V
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L VULAS
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REMOVING THE VALVES
The following procedure applies to all valves and
related components.
NOTE:
Before removing the internal parts of the head
(eg, valves, valve springs, valve seats), make
sure the valves seal well.
1. Check:
•
Sealing of valves
Leaking valve seat
Verify יו
the face of the valve, valve seats, and the
width of the valve seat.
Refer to "CHECKING THE VALVE SEATS" on
page
5-17.
a. Pour a clean solvent "a" in the input and output
ports
b. Check valve seal
NOTE:
There is no leakage in the valve seat "1".
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2. Remove:
•
Pines valve "1".
NOTE:
Remove the valve pin compressing the valve
spring with the spring compressor and the valve
spring compressor adapter valve "2"
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Compressor valve spring
YSST-603
Adapter valve spring compressor
A-803 YSST
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2
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NOTE:
Identify the position of each part very carefully
so that it can be reinstalled in its original place.
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INSPECTION valves and valve guides
The following procedure applies to all valves and
valve guides.
1.
Measure:
•
Clearance between the valve stem and
valve guide
OOS
Replace יו
the butt
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•Clearance between the valve stem and valve
guide = Inner diameter of the valve guide "a" -
diameter of the valve stem "b"
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Clearance between the valve
stem and the valve guide
(Admission)
0010-0037 mm
Limit
0080 mm
Clearance between the valve
stem and the valve guide
(Escape)
0025-0052 mm
Limit
0.100 mm
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1
3. Remove:
•Upper spring seat of the valve "1"
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Valve spring "2"
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Valve "3"
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Seal valve stem "4"
•
Lower spring seat valve "5"
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Clearance valve and valve guide = a-b

Yamaha FZ-16 2015 Specifications

General

Engine Type	Air-cooled, 4-stroke, SOHC, 2-valve
Displacement	153 cc
Bore x Stroke	58.0 mm x 57.9 mm
Compression Ratio	9.5:1
Maximum Power	14 PS @ 7500 rpm
Fuel System	Carburetor
Transmission Type	5-speed constant mesh
Front Suspension	Telescopic fork
Rear Suspension	Monocross
Front Brake	Disc
Rear Brake	Drum
Front Tire	100/80-17
Rear Tire	140/60-R17
Fuel Tank Capacity	12 liters
Kerb Weight	137 kg
Overall Length	1, 975 mm
Overall Width	770 mm
Overall Height	1, 045 mm
Seat Height	790 mm
Wheelbase	1, 335 mm
Ground Clearance	160 mm
Starting System	Electric start
Lubrication System	Wet sump
Clutch Type	Wet, multiple-disc
Frame Type	Diamond
Maximum Torque	14 Nm @ 6000 rpm
Ignition System	CDI