Rotax 915 i A series Maintenance Manual page 238

Description
Code
Piston
Piston, red PI01
84 mm / 3.3 in.
Piston, green PI01
84 mm / 3.3 in.
Installation CY01
clearance /PI01
cyl. "A" with "red"
piston
Installation CY01
clearance /PI01
cyl. "B" with
"green" piston
Piston pin bore PI02
Piston pin PI03
Piston pin PI01 /
clearance PI02
in piston pin bore
Piston pin CS06 /
clearance PI03
in conrod
Piston ring PI04
clearance,
groove clearance
rectangular ring 1
Piston ring groove PI05
clearance
72–30–10
Page 14
August 01 2018
BRP-Rotax
MAINTENANCE MANUAL HEAVY
Reading new
max
min
83.988 84.002
mm mm
3.3066 in. 3.3072
in.
83.998 84.012
mm mm
3.3070 in. 3.3075
in.
0.002 mm 0.024
0.000079 mm
in. 0.0009
in.
0.002 mm 0.026
0.000079 mm
in. 0.0010
in.
20.001 20.005
mm mm
0.7874 in. 0.7876
in.
19.992 19.995
mm mm
0.7871 in. 0.7872
in.
0.006 mm 0.013
0.0002 in. mm
0.0005
in.
0.015 mm 0.035
0.0006 in. mm
0.0014
in.
0.03 mm 0.06 mm
0.001 in. 0.002 in.
0.03 mm 0.06 mm
0.001 in. 0.002 in.
Wear Wear
limit limit
100 % 50 %
83.980 83.939 actual
mm mm
re-
3.3027 3.3047
newed
in. in.
83.890 83.944 actual
mm mm
re-
3.3027 3.3049
newed
in. in.
0.130 0.077 actual
mm mm
re-
0.0051 0.0030
newed
in. in.
0.130 0.078 actual
mm mm
re-
0.0051 0.0031
newed
in. in.
20.040 20.023 actual
mm mm
re-
0.7890 0.7883
newed
in. in.
19.970 19.981 actual
mm mm
re-
0.7862 0.7867
newed
in. in.
0.050 0.032 actual
mm mm
re-
0.0020 0.0012
newed
in. in.
0.050 0.043 actual
mm mm
re-
0.0020 0.0017
newed
in. in.
0.10 mm 0.08 mm actual
0.004 in. 0.003 in.
re-
newed
0.10 mm 0.08 mm actual
0.004 in. 0.003 in.
Readings
Cyl. Cyl. Cyl. Cyl.
1 2 3 4
Effectivity: 915 i A Series
Edition 0/Rev. 0