3
9850060 R02 - 2020-2021 850 AXYS™ Long Track Snowmobile Service Manual
© Copyright Polaris Inc.
3.113
E-VES-II INSPECTION
NOTICE
DO NOT REMOVE LOWER GUILLOTINE VALVE IF
SPECIAL TOOL PS-51732-A IS UNAVAILABLE
1. Remove springs
q
and upper guillotine valve
w
. DO
NOT REMOVE LOWER GUILLOTINE VALVE
e
.
2. Inspect all components for damage or wear and
replace as required.
E-VES-II DISASSEMBLY
1. Remove the E-VES assembly from the cylinder. See
E-VES-II Removal page .
2. Remove the exhaust valve tiebar fasteners
q
.
3. Slide the guillotine valves out of the exhaust valve
base. Separate the lower
w
and upper
e
exhaust
valve guillotines for inspection.
NOTICE
The exhaust valve springs
r
will be removed as the
guillotine valves slide out of the exhaust valve base.
4. Inspect all components for wear or damage and
replace as required.
ENGINE / COOLING / EXHAUST
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