MV Agusta 2008 F4 312RR 1078 Workshop Manual page 61

Piston-pin connecting rod foot coupling
Play between piston pin and connecting rod foot
must be of 0,015÷0,032 mm.
Maximum wear limit allowed 0,06 mm.
Segments
Verify the absence of lines and traces of shrinkage on
each segment.
Verify that the edge of the segment is well defined and
free in the segments.
The spare pistons are furnished complete with seg-
ments and piston pins.
Whenever segment wear is noticeable it is recommen-
ded to change the pistons as well.
SEGMENT Standard
1° SP 0,8
2° SP 0,8
Oil scraper SP 1,5
Segment-cylinder coupling
Introduce the 5 mm segment under the head plane
being careful to position it well in "square" and to mea-
sure the distance between the two ends of the seg-
ment.
The maximum play allowed between the ends of the
ring is the following for each segment:
SEGMENT N°1: 0,2 ÷ 0,4 mm;
Maximum wear limit allowed 0,6 mm
INTERMEDIATE SEGMENT : 0,2 ÷ 0,4 mm
Maximum wear limit allowed 0,6 mm
OIL SCRAPER : 0,2 ÷ 0,7 mm
Maximum wear limit allowed 1,0 mm
Cylinder kit
Wear limit
-0,01
0,75
-0,03
0
0,75
-0,02
-0,03
1,38
-0,08
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