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310061-10
17 ENGINE
-
Using a straightedge and the special tool, check the sealing
area of the cylinder head for distortion.
I
Feeler gauge (59029041100) (
llill
p. 295)
Cylinder/cylinder head -
sealing area distortion
:;; 0.10 mm (:;; 0.0039 in)
If the measured value does not meet specifications:
-
Change the cylinder.
..
17.4.16 Checking/measuring the piston
e-•
•
400995-10
310043-10
-
Use the special tool to measure clearance 6) of the piston
rings in the piston ring groove.
Guideline
Piston ring - groove clear
ance
:;; 0.08 mm(:;; 0.0031 in)
I
Feeler gauge (59029041100) (
llill
p. 295)
If clearance 6) larger than the specified value:
-
Change the piston and piston rings.
-
Check/measure the cylinder. (
llill
p. 196)
-
Check the piston bearing surface for damage.
If the piston bearing surface is damaged:
-
Replace the piston and, if necessary, the cylinder.
-
Check that the piston rings move easily in the piston ring
grooves.
If the piston ring is stiff:
-
Clean the piston ring groove.
Tip
An old piston ring can be used to clean the
piston ring groove.
-
Check the piston rings for damage.
If the piston ring is damaged:
-
Change the piston ring.
•
Info
I
Mount the piston ring with the marking facing
upward.
-
Check the piston pins for discoloration or signs of wear.
If the piston pin shows severe discoloration/signs of wear:
-
Change the piston pin.
-
Place the piston pin in the connecting rod and check the
seating for play.
If the piston pin seating has excessive play:
-
Change the connecting rod and piston pin.
-
Place the piston pin in the piston and check the seating for
play.
197
Содержание F2303P0
Страница 1: ...PIONEERING SINCE 1903 REPAIR MANUAL2016 FS 450 Art no 3403034en Husqvarna MOTORCYCLES ...
Страница 2: ......
Страница 157: ...16 BRAKE SYSTEM Check the foot brake lever for a firm pressure point 155 ...
Страница 281: ...28 SERVICE SCHEDULE 279 ...