Rotax MMH-912 Series Maintenance Manual page 174

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Description
Piston
Pison pin clearance
PI02/
in piston pin bore
PI03
Piston pin clearance
CS06/
in con rod
PI03
Piston ring groove
clearance rectangu-
PI04
lar ring 1
Piston ring groove
clearance tapered
PI05
compression ring 2
Piston ring groove
clearance oil scraper
PI06
ring 3
Piston ring end gap
PI07
rectangular ring 1
Piston ring end gap
tapered compres-
PI08
sion ring 2
Piston ring end gap
PI09
oil scraper ring 3
Effectivity 912/914 Series
Edition 1 / Rev. 2
BRP-Rotax
Maintenance Manual
wear
Reading new
limit
min
max
100%
0,006
0,013
0,050
0,0002
0,0005
0,0020
0,015
0,035
0,050
0,0006
0,0014
0,0020
0,030
0,062
0,100
0,0012
0,0024
0,0039
0,030
0,062
0,100
0,0012
0,0024
0,0039
0,020
0,055
0,100
0,0008
0,0022
0,0039
0,15
0,35
1,00
0,0059
0,0138
0,0394
0,15
0,35
1,000
0,0059
0,0138
0,0394
0,15
0,40
1,00
0,0059
0,0157
0,0394
wear
limit
50%
Cyl. 1
actual
0,032
0,0012
renewed
actual
0,043
0,0017
renewed
actual
0,081
0,0032
renewed
actual
0,081
0,0032
renewed
actual
0,078
0,0031
renewed
actual
0,68
0,0266
renewed
actual
0,68
0,0266
renewed
actual
0,70
0,0276
renewed
07221
Readings
Cyl. 2
Cyl. 3
Cyl. 4
72-00-00
page 102
July 01/2008

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