30/ASSEMBLING THE ENGINE
Adjusting the rear valve clearance
21.45
Checking the front cylinder control time
21.46
Adjusting the front cylinder control time
21.47
–
On all valves, check the valve clearance between the camshaft and cam lever.
Guideline
Valve clearance
Exhaust at: 20 °C (68 °F)
Intake at: 20 °C (68 °F)
Feeler gauge (59029041100) (
301385-10
»
If valve clearance does not meet specifications:
–
Adjust the rear valve clearance. (
–
Remove the rear timing chain tensioner. (
–
Remove the rear camshaft. (
–
Swing up cam lever
–
Remove shims
–
Correct the shims as indicated by the results of the valve clearance check.
–
Insert suitable shims.
–
Install the rear camshaft. (
–
Install the rear timing chain tensioner. (
–
Check the rear valve clearance. (
301386-10
–
Remove special tool
Engine blocking screw (61229015000) (
–
Set the engine to ignition top dead center of the front cylinder. (
301343-10
–
Check the markings of the camshaft.
Info
The markings are shown with the camshafts removed for purposes of illus-
tration.
Align center marking
»
If the markings do not align:
–
Adjust the rear cylinder control time. (
301389-10
–
Remove special tool
Engine blocking screw (61229015000) (
301343-10
0.25... 0.30 mm (0.0098...
0.0118 in)
0.10... 0.15 mm (0.0039...
0.0059 in)
p. 441)
p. 186)
p. 125)
.
and set them down according to the installation position.
p. 179)
p. 179)
p. 185)
.
of the camshaft with marking
.
p. 124)
p. 444)
p. 126)
of the camshaft gear.
p. 184)
p. 444)
186