Adjusting The Valve Clearance - Husqvarna FC 250 2017 Repair Manual

17 ENGINE
17.5.26
232

Adjusting the valve clearance

B03742-10
-
Position the engine at ignition top dead center.
f)
✓ Markings must line up with the edge of the cylinder
head.
-
Mount and tighten screw
-
Check the valve clearance at all valves between the camshaft
and cam lever.
Guideline
Valve clearance
Intake at: 20 °C (68 °F)
Exhaust at: 20 °C (68 °F)
I Feeler gauge (59029041100)
If the valve clearance does not meet specifications:
-
Adjust the valve clearance.
-
Mount and tighten screw
Guideline
Screw plug,
crankshaft location
Main work
-
Remove the timing chain tensioner.
-
Remove the camshafts. (0
O.
-
Raise cam levers
-
Correct the shims according to the findings from checking
the valve clearance.
-
Install the camshafts. (0
Install the timing chain tensioner.
Finishing work
-
Check the valve clearance.
O
without the washer.
0.10 ... 0.15 mm (0.0039 ...
0.0059 in)
0.13 ... 0.18 mm (0.0051
0.0071 in)
(0 p. 298)
(0 p. 232)
O
with washer.
M8 10 Nm (7.4 lbf ft)
(0 p. 17 4)
p. 17 4)
p. 230)
(0 p. 231)
(0 p. 231)
. . .
...