The 2006 Aprilia RS125 is equipped with rave valve system. The exhaust valve is solenoid-actuated via a Bowden cable. Using  the exhaust valve on type-approved 11kW
Aprilia RS125 makes such vehicles illegal to ride on public roads. The ECU determines engine rpm based on primary circuit frequency input and operates the solenoid within a preset rpm range.

The Aprilia RS125 exhaust valve opens between 500 and 2500 rpm to allow for valve stem self-cleaning. The Rave valve actuation points are 8000 – 8100 rpm for Strada and 8300 – 8400 rpm for Sport Pro.

The following schematic illustrates the Aprilia RS125 Rave Valve . The solenoid controlled by the Rave control unit opens the exhaust valve at 8100 rpm.

Aprilia RS125 Rave Valve Circuit Diagram



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