ENGINE 17
-
Measure the piston at the piston skirt, at right angles to the
piston pin, at a distance f).
Guideline
Distance f)
7 mm (0.28 in)
Piston - diameter
Size I
94.93 ... 94.96 mm (3.7374
... 3.7386 in)
Size II
94.94 ... 94.97 mm (3.7378
... 3.739 in)
Info
Piston dimensions
O
are marked on the piston head.
41
17.4.19 Checking the piston ring end gap
310062-10
-
Remove the piston ring from the piston.
-
Place the piston ring in the cylinder and align with the piston.
Guideline
Below the upper edge of the 10 mm (0.39 in)
cylinder
-
Using special tool
O.
measure the end gap.
Guideline
Piston ring end gap
Compression ring
I �
1 .00 mm (� 0.0394 in)
Oil scraper ring
I �
1.20 mm(� 0.0472 in)
I
Feeler gauge (590290411 00) (
0
p. 299)
If the end gap is greater than the specified value:
-
Check/measure the cylinder. (
0
p. 199)
If cylinder wear lies within the specified tolerance:
-
Change the piston ring.
-
Mount the piston ring with the marking facing upward.
41
17.4.20 Measuring the piston/cylinder mounting clearance
310060-10
-
Check/measure the cylinder. (
IUI
p. 199)
-
Check/measure the piston. (
0
p. 200)
- The smallest piston/cylinder mounting clearance equals the
smallest cylinder bore diameter minus the largest piston
diameter. The largest piston/cylinder mounting clearance
equals the largest cylinder bore diameter minus the smallest
piston diameter.
201
Содержание F2303Q0
Страница 1: ...PIONEERING SINCE 1903 REPAIR MANUAL2017 FS 450 Art no 3403050en Husqvarna MOTORCYCLES ...
Страница 2: ......
Страница 159: ...BRAKE SYSTEM 16 Check the foot brake lever for a firm pressure point 157 ...
Страница 260: ...20 LUBRICATION SYSTEM Finishing work Check the engine oil level 0 p 252 258 ...