Rotax 912 i Series Maintenance Manual page 172

Fig. 9
1. Crankshaft 2. Crankshaft bore (oil duct)
SPRAG CLUTCH CHECK
Step
1 Check whether oil sludge has accumu-
lated in the sprag clutch and in the spear
body.
2 The spear body of the sprag clutch must
be freely movable and may not be
damaged.
3 The surrounding helical spring must not
be loose or bent in a serpentine manner;
replace the sprag clutch if necessary.
Fig. 10
1. Helical spring
FREE WHEEL GEAR CHECK
Step
1 Check the gear-tooth system of the free
wheel gear.
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINENANCE MANUAL
Procedure
2. Spear body
Procedure
Step
2 Check the sprag clutch engagement face
on the free wheel gear.
3 Check the cone surface.
Fig. 11
1. Sprag clutch engagement face 2. Gear-tooth system
3. Cone surface
STARTER INTERMEDIATE GEAR CHECK
Step
1 Check the gear-tooth system of the starter
intermediate gear.
2 Check the intermediate gear shaft for
damage.
NOTICE
WARNUNG
If the gear-tooth system is deformed, the starter
intermediate gear must be replaced.
Fig. 12
1. Intermediate gear shaft
Procedure
Procedure
2. Starter intermediate gear
72-20-00
Page 8
July 01/2012