17 ENGINE
17.4.25 Checking the cam levers
302718-10
17.4.26 Checking the cylinder head
302805-10
302808-10
17.4.27 Installing the valves
-
Change the valve spring seat.
-
Check the cam levers and cam lever shafts for damage and wear.
If there is damage or wear:
-
Change the cam levers and/or cam lever shafts.
-
Check valve guides
O
using the special tool.
I
Limit plug gauge (77229026000) ('r p. 226)
If the special tool is easy to insert in the valve guide:
-
Change the valve guide and valve.
157
-
Check the sealing area of the spark plug thread and the valve seats from damage
and cracking.
If there is damage or cracking:
-
Change the cylinder head.
-
Using a straightedge and the special tool, check the sealing area of the cylinder
for distortion.
I
Feeler gauge (590290411 00) (
.-
p. 223)
Cylinder/cylinder head - distortion of
sealing area
:5 0.10 mm (:5 0.0039 in)
If the measured value does not meet specifications:
-
Change the cylinder head.
-
Check sealing seat
t)
of the valves.
Valve - sealing seat width
Intake
Valve - sealing seat width
Exhaust
1 .40 mm (0.0551 in)
1 .40 mm (0.0551 in)
If the measured value does not meet specifications:
-
Rework the valve seat.
-
Blow compressed air through all oil holes and check that they are clear.
-
Position valve spring seat
0-
Mount valve stem seal@.
-
Mount the valve corresponding to its installation position.
-
Mount the valve spring with the tighter coil facing downward according to the
built-in position.
•
Info
I
Intake valves are marked with a green color coding.
Exhaust valves are marked with a brown color coding.
-
Mount the valve spring retainers.
Summary of Contents for FC 350 2014
Page 1: ...PIONEERING SINCE 1903 REPAIR MANUAL2014 FC 350 EU Art no 3403006en Husqvarna MOTORCYCLES ...
Page 2: ......
Page 90: ...12 FUEL TANK SEAT TRIM Start the motor and check the response 88 ...
Page 192: ...18 CLUTCH 190 Position the cover with the membrane Mount and tighten the screws ...
Page 236: ...30 SPECIAL TOOLS 234 Nitro en filling tool Art no T170S1 2x 3x T170S1 H00855 01 ...