Locking The Crankshaft - Rotax 912 Series Maintenance Manual

7) Locking the crankshaft

General note See
NOTES:
Locking the
crankshaft
Special tools For accomplishment the following special tool is required.
part no. 240880
Graphic
Special tool
Fig. 9
The following work procedures are to be accomplished:
Step
1
2
Effectivity: 912 Series
Edition 3 / Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Fig. 9 and Fig. 10.
The thread bolt for crankshaft locking is part of the stan-
dard tool kit supplied with each engine.
Risk of severe burns and scalds!
WARNING WARNUNG
Hot engine parts!
Always allow engine to cool down to ambient tempera-
ture before start any work.
Part number
(1) Thread bolt
1
Part
1
Remove the plug screw (1) M8x20 and sealing ring from the crankcase half
(cyl. 2/4).
Turn crankshaft/propeller shaft until the piston of cyl. no. 1 and no. 2 are in
TDC position and lock crankshaft in this position with the thread bolt (2) part
no. 240880.
NOTES: Turn crankshaft for relief the position indification until the trig-
ger boss (3) is between the both trigger coil (4, 5) at the
position.
The required recess position of the crankshaft can be addi-
tionally verified by looking through the crankcase recess (6)
with a flash light.
Description
Function
Thread bolt
Procedure
05910
12-20-00
page 19
September 01/2012