Cylinder Head Installation; Cylinder Head (Single) Repaired Per Engine Side - Rotax 915 i A series Maintenance Manual

CYLINDER HEAD (SINGLE)
REPAIRED PER ENGINE SIDE
Procedure
Step
1
Position the insulating flange between the
intake manifold and the cylinder head.
2
Install the intake manifold on the cylinder
head which has not been removed with 2
hex./torx collar screws M6x20. Tightening
torque 10 Nm (89 in. lb.).
Figure 8.45
Insulating flange
1
3 Intake manifold
Step Procedure
3 Align the second cylinder head on the in-
take manifold and fasten it with 2 hex./
torx collar screws M6x20. Tightening tor-
que 10 Nm (89 in. lb.).
Tightening torque procedure:
NOTE
This aligns the cylinder heads to ensure a flat
support for the intake manifold.
Tightening torque procedure:
Effectivity: 915 i A Series
Edition 0/Rev. 0
BRP-Rotax
MAINTENANCE MANUAL HEAVY
Hex./torx collar screw
2
M6x20
NOTE
The installation and tightening of a single cylin-
der head or any individual cylinder head nut is
not allowed. The entire procedure to torque both
cylinder heads together in one torque sequence
must be performed.
Fasten the cylinder head according to the torque pat-
tern. To do this, see Chapter
both cylinder heads per engine side have been
repaired".
Finishing work
• Install the elbow flange.
• Install the coolant hose as far as the mark on the
coolant elbow. See Chapter 75-00-00 section
Cooling system.
• Install the spring type hose clip 25 using spring
clamp pliers part no. 877840.
Figure 8.46
1 Coolant elbow
3 Coolant hose
• Install the airbox on the ignition housing using an
hex. nut M6 and washer 6.4. To do this, see Chap-
ter 73-10-00 section Airbox
72-30-00 section "If
Spring type hose clip
2
25
4
Protection tube
installation.
72–30–00
Page 33
August 01 2018