17 ENGINE
17 .5.25 Checking the valve clearance
-
Remove screw
O.
-
Crank the engine several times.
-
Position the engine at ignition top dead center.
✓ Markings
t)
must line up with the edge of the cylinder
head.
-
Mount and tighten screw
O
without the washer.
-
Check the valve clearance at all valves between the camshaft
and cam lever.
Guideline
Valve clearance
Intake at: 20 °C (68 °F)
0.10 ... 0.15 mm (0.0039 ...
0.0059 in)
Exhaust at: 20 °C (68 °F)
0.13 ... 0.18 mm (0.0051
0.0071 in)
I
Feeler gauge (59029041100) (
�
p. 288)
If the valve clearance does not meet specifications:
- Adjust the valve clearance. (
�
p. 229)
-
Mount and tighten screw
O
with the washer.
Guideline
. . .
Screw plug,
crankshaft location
M8
10 Nm (7.4 lbf ft)
17.5.26 Adjusting the valve clearance
Main work
-
Remove the timing chain tensioner. (
�
p. 169)
-
Remove the camshafts. (
�
p. 170)
..
229