Rotax 912 i Series Maintenance Manual page 206

IF BOTH CYLINDER HEADS PER ENGINE
SIDE HAVE BEEN REPAIRED
Step
1 Fasten the cylinder aligning tool part no.
877262 to the intake flange of the cylinder
heads with 4 M6x25 Allen screws.
NOTE: This aligns the cylinder heads to
ensure a flat support for the in-
take manifold.
Fig. 46
1. Cylinder aligning tool
877262
3. Intake flange
Step
2 Tighten the collar cap nut and the M8 hex.
nut (diagonally) until they are finger-tight.
3 Fasten the cylinder heads according to
the screw diagram. See Figure 47.
Tightening torque 10 Nm (88.48 in. lb.)
+180°.
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Procedure
2. M6x25 Allen screw
Procedure
Fig. 47
1. Screw diagram
Step
4 Loosen 4 Allen screws and remove the
cylinder aligning tool.
VALVE COVER INSTALLATION
NOTICE
WARNUNG
There must be a minimum gap of 0.2 mm bet-
ween the valve covers on the outer contour. The
valve covers must not touch each other!
NOTICE
WARNUNG
Ensure the valve cover screw is the correct
length!
Look out for damaged threads. If the screw is
loose or the valve cover leaks, the oil return to
the oil tank works by "blow by gas" i.e. in-
sufficiently.
Procedure
72-30-00
Page 28
July 01/2012