bpr Rotax 912 i Series, Maintenance Manual, Page: 202 / 458

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MAINTENANCE MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 0
72-30-00
Page 20
July 01/2012
3.2) Rocker arm Cyl
. 1 Cyl
. 2 Cyl
. 3 Cyl
. 4
Bore
for rocker
arm shaft
"over-
sized" Intake
Valve CH05 12.200 mm
0.4803 in.
12.218 mm
0.4810 in. 12.290 mm
0.4839 in. 12.254 mm
0.4824 in. current
replaced
Exhaust
Valve CH05 12.200 mm
0.4803 in.
12.218 mm
0.4810 in. 12.290 mm
0.4839 in. 12.254 mm
0.4824 in. current
replaced
Diameter
of
Rocker
arm
shaft Intake
Valve VT05 11.983 mm
0.4718 in. 11.994 mm
0.4722 in. 11.950 mm
0.4705 in. 11.967 mm
0.4711 in. current
replaced
Exhaust
Valve VT05 11.983 mm
0.4718 in. 11.994 mm
0.4722 in. 11.950 mm
0.4705 in. 11.967 mm
0.4711 in. current
replaced
Diameter
of rocker
arm shaft
"over-
sized" Intake
Valve VT05 12.183 mm
0.4796 in. 12.194 mm
0.4801 in. 12.150 mm
0.4783 in. 12.167 mm
0.4790 in. current
replaced
Exhaust
Valve VT05 12.183 mm
0.4796 in. 12.194 mm
0.4801 in. 12.150 mm
0.4783 in. 12.167 mm
0.4790 in. current
replaced
Radial
clearance
Bore/rock-
er arm
shaft Intake
Valve CH05
/VT05 0.006 mm
0.0002 in. 0.035 mm
0.0014 in. 0.150 mm
0.0059 in. 0.093 mm
0.0036 in. current
replaced
Exhaust
Valve CH05
/VT05 0.006 mm
0.0002 in. 0.035 mm
0.0014 in. 0.150 mm
0.0059 in. 0.093 mm
0.0036 in. current
replaced
Rocker
arm bush-
ing (plas-
tic) Intake
Valve VT06 16.000 mm
0.6299 in. 16.018 mm
0.6306 in. 16.038 mm
0.6314 in. 16.028 mm
0.6310 in. current
replaced
Exhaust
Valve VT06 16.000 mm
0.6299 in. 16.018 mm
0.6306 in. 16.038 mm
0.6314 in. 16.028 mm
0.6310 in. current
replaced
Wall thick-
ness of
rocker
arm shaft
(plastic) Intake
Valve VT08 1.95 mm
0.0768 in. 1.98 mm
0.0780 in. 1.90 mm
0.0748 in. 1.93 mm
0.0758 in. current
replaced
Exhaust
Valve VT08 1.95 mm
0.0768 in. 1.98 mm
0.0780 in. 1.90 mm
0.0748 in. 1.93 mm
0.0758 in. current
replaced
4) Push-rod assy.
Deflec-
tion of
Push-rod Intake
Valve VT09 0.000 mm
0.0000 in. 0.100 mm
0.0039 in. 0.200 mm
0.0079 in. 0.150 mm
0.0059 in. current
replaced
Exhaust
Valve VT09 0.000 mm
0.0000 in. 0.100 mm
0.0039 in. 0.200 mm
0.0079 in. 0.150 mm
0.0059 in. current
replaced
Description
Co
de
Current measurement
value
Tolerance
limit
Tolerance
limit
Measurements
min max 100 % 50 %