Engine; Adjusting The Clearance Valves - Yamaha FZ-16 Service Manual

ENGINE

ADJUSTING THE CLEARANCE
VALVES
The following procedure applies to all
valves.
NOTE:
Adjusting the valve clearance should
when the engine is cold temperature
environment.
When you measure or adjust the clearance
the valve, the piston must be at point
top dead center (TDC) in the race
1. Remove:
Seat
Refer to "GENERAL CHASSIS"
-on page 4-1
Fuel tank
Refer to "GENERAL CHASSIS"
-on page 4-2
2. Disconnect
Hose air induction system
See "SYSTEM
.INDUCTION AIR "on page 6-9
3. Remove:
Cylinder head cover
Packing the cylinder head cover
See the "HEAD" on page 5-5
4. Remove:
Screw access to the brand time "1"
Access screw end of the crankshaft "2"
2
5. Measure:
Valve clearance
→
Out of specification Adjust
Valve clearance
(Cold)
Admission
0.08 to 0.12 mm
Exhaust
0.12 to 0.16 mm
a. Rotate the crankshaft in the opposite direction of the
b. When the piston is at TDC
.(PMS) of the compression stroke, align the
"A" in the magnet with the fixed point "b" of the cover
the magnet.
c. Verify that the camshaft lobes are
positioned as shown in the illustration.
NOTE:
In this position, both valves must have some
clearance
d. Measure the valve clearance with feeler
gauge "1".
Out of specification
1
6. Fit:
Valve clearance
a. Loosen the locknut "1".
b. Insert a feeler gauge "2" between the end
adjusting screw and the tip of the valve.
3-3
ENGINE
to
→
Adjust
b
1