BMW K75 [110/461] Measuring

BMW K75 [110/461] Measuring
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24911141
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249
.
11J35
11-62
.0
Measure the piston ring
gap
in the cylinder.
Rectangular-section ring (groove
1)
Rectangular-section ring (groove
2)
Penthouse-pattern ring (groove
3)
For permitted ring gap, see Specilications, page
11
- 09.0.
Cylinder-
measuring
Fit the internal measuring instrument to the micrometer.
Measure the cylinder bore at three positions in a
crosswise pattern.Make a note
ofthe
dimensions.
Measuring planes:
In travel direction
--> and at right-angles to the travel
direction
1.
Piston - assembling
Carelully install the piston rings using piston ring pliers.
Reler to the illustration
lor
the correct direction
01
installation.
Rectangular-section ring
2 Rectangular-section ring
3 Tubular-spring loaded penthouse-pattern ring
Note:
Gap between tubular spring and penthouse-pattern ring
offset by 1
80
0
The
gudgeon pin belongs to a specilic piston and must not
be interchanged.
Use only pistons Irom the same manufacturer and
01
the
same weight group.
Important:
Use gudgeon pin keepers once only.
8.
87
by a kind approval of the BMW AG for
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