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Section 04 ENGINE (2-STROKE)

Subsection 04 (TOP END)

F06D16B

RAVE VALVE CLOSED

1. Pulse from crankcase

2. Check valve

3. Positive pressure blocked by the solenoid

4. Solenoid deactivated

5. RAVE valves are opened to atmosphere

947 DI Engines

To open the RAVE valves, the MPEM activates a

solenoid which directs the pressure from air com-

pressor to the valves.

F12D02A

1. Pressure from solenoid

F12D15A

1. Solenoid

2. Pressure from air compressor

3. Pressure to RAVE valves

4. Vent to air intake silencer

5. Check valve

6. Vent from counterbalancing shaft oil cavity

To close the RAVE valves, the MPEM deactivates

the solenoid which blocks the air compressor

pressure. The RAVE valves are opened to the

atmosphere.

The vent on couterbalancing shaft oil cavity is nec-

essary to prevent pressure buildup in the cavity by

the air compressor piston movement. The check

valve allows pressure to escape from the cavity

but does not allow liquid to enter into the cavity.

smr2004-Complete Line Up 103

SeaDoo GTI User Manual

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