Rotax 912 i Series Maintenance Manual page 424

OIL PUMP SHAFT - INSPECTION
Step
1 Check the oil pump shaft at the bearing
points.
2 Check the feather key groove and feather
key for wear.
Fig. 13
1. Oil pump shaft
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Procedure
2. Feather key
79-00-00
Page 12
July 01/2012