17 ENGINE
17.4.15 Checking/measuring the piston
e-•
•
400995-10
311624-10
-
Use the special tool to measure clearance
8
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) (
�
p. 288)
If clearance
8
larger than the specified value:
-
Change the piston and piston rings.
-
Check/measure the cylinder. (
�
p. 192)
-
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.
-
Measure the piston at the piston skirt, at right angles to the
piston pin, at a distance G).
Guideline
Distance G)
5 mm (0.2 in)
Piston - diameter
Size I
87.955 ... 87.965 mm
(3.46279 ... 3.46318 in)
Size II
87.965 ... 87.975 mm
(3.46318 ... 3.46358 in)
193
Содержание FC 350 2016
Страница 1: ...PIONEERING SINCE 1903 REPAIR MANUAL2016 FC350 Art no 3403032en Husqvarna MOTORCYCLES ...
Страница 2: ......
Страница 137: ...15 WIRING HARNESS BATTERY Finishing work Mount the seat p 95 Install the air filter box cover 1ll p 90 135 ...
Страница 275: ...27 SERVICE SCHEDULE 273 ...
Страница 302: ...31 SPECIAL TOOLS Mounting tool Art no T150S T150S H00852 01 Filling tool 2x 3x Art no T170S1 T170S1 H00855 01 300 ...