Adjusting The Valve Clearance - Husqvarna FC 250 2018 Repair Manual

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17.5.26

Adjusting the valve clearance

-
Position the engine at ignition top dead center.
✓ Markings
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.
-
Raise cam levers
-
Correct the shims according to the findings from checking
the valve clearance.
-
Install the camshafts.
Install the timing chain tensioner.
B03742-10
Finishing work
-
Check the valve clearance.
fj
must line up with the edge of the cylinder
O
without the washer.
0.10 ... 0.15 mm (0.0039 ...
0.0059 in)
0.13 ... 0.18 mm (0.0051
0.0071 in)
(8
p. 307)
(8
p. 241)
O
with washer.
M8
10 Nm (7.4 lbf ft)
(!al
p. 183)
(!al
p. 183)
O.
(8
p. 239)
(8
p. 240)
(8
p. 240)
ENGINE 17
. . .
...
241

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