E-Ves-Ii Removal - Polaris 850 PRO-RMK 155 2020 Manual

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ENGINE / COOLING / EXHAUST

E-VES-II REMOVAL

The EV Actuator Learn Procedure is a Service Procedure

performed with Digital Wrench. The procedure erases

the full-closed and full-open cable travel settings in the

ECU, and then sweeps the actuator to "learn" the stop

Prior to completing the procedure, the software conducts

a fault check to ensure the system is operating correctly.

The EV Actuator Learn Procedure must be performed

whenever the following occurs:

• EV actuator is replaced

• EV actuator cable is replaced or removed from the tie

• Any exhaust valve (upper or lower) is replaced

• Cylinder is replaced

The EV Actuator Learn Procedure does not need to be

performed if the actuator cable is removed from the

actuator and actuator jam nut bracket.

The EV Actuator Learn Procedure will not work if the

battery cannot supply the required voltage to the

actuator. Do not perform this procedure with a partially-

charged battery. Verify the battery provides a minimum

of 12.5 volts before attempting procedure.

Verify all wires are in good condition and connectors

are connected to the actuator, and ECU.

1. Remove the four exhaust valve base fasteners

2. Remove the exhaust valve base/guillotine valves

Refer to page 8.7 as needed to gain clearance for

Use caution to prevent the exhaust valve springs and

upper guillotine valves from separating when removing

the exhaust valve base/guillotine valves assembly.

3. Inspect and if damaged discard the base to cylinder

. If no damage is present reuse the seals.

9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual

from the cylinder.

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