Rotax 912 i Series Maintenance Manual page 254

Fig. 40
1. Pressure regulator 2. Recess for retaining ring
housing
3. Sealing surface for O-rings
FUEL RAIL - INSPECTION
See Fig. 41.
Step
1 Check the sealing surfaces for the O-rings
of the injection valves for scratches and
burrs.
2 Visual inspection for dents, kinks and
cracks.
NOTICE
WARNUNG
The fuel rail must be replaced if damaged!
Fig. 41
1. Fuel rail
Effectivity: 912 i Series
Edition 1/Rev. 0
BRP-Powertrain
MAINTENANCE MANUAL
Procedure
2. Sealing surface for O-rings
INJECTION VALVE - INSPECTION
Step
1 Check the injection valves for damage.
- Scuffing marks (including scratches)
on the valves are permissible up to a
maximum depth of 0.2 mm (0.0079
in.).
2 All O-rings must be replaced when the in-
jection valves are repaired.
Fig. 42
1. Injection valve
INTAKE MANIFOLD - INSPECTION
Step
1 Check the intake manifold for cracks and
scuffing marks.
2 Check threaded bores for damage.
3 Check bores for injection valves for scuff-
ing marks.
Scuffing marks (including scratches) on
the valves are permissible up to a maxi-
mum depth of 0.2 mm (0.0079 in.).
Procedure
2. O-rings
Procedure
73-10-00
Page 22
July 01/2012