BRP Can-Am Outlander 2015 Series Manual page 186

Subsection XX (TOP END)
REQUIRED TOOL
TDC DIAL INDICATOR
(P/N 414 104 700)
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1. TDC dial indicator
NOTE: If a dial gauge is not available, use a screw-
driver or another similarly suitable tool.
NOTICE
Do not scratch or damage pis-
ton/cylinder surface.
NOTE: At ignition TDC the marks on the camshaft
timing gear have to be parallel to cylinder head
base as per following illustration.
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1. Marks on camshaft timing gear
2. Cylinder head base
Leak Test
Install gauge adapter into spark plug hole.
REQUIRED TOOL
ENGINE LEAK DOWN TEST
KIT (P/N 529 035 661)
Connect to adequate air supply.
6
Set needle of measuring gauge to zero.
NOTE: All testers have specific instructions on
gauge operation and required pressure.
Install gauge adapter into previously cleaned spark
plug hole.
Supply combustion chamber with air pressure.
1
2
V07C0KA
TYPICAL
1. Leak tester
2. Air supply hose
Note the amount or percentage of leakage (de-
pending on tester).
LEAKAGE
PERCENTAGE
0% to 15%
16% to 25%
26% to 40%
41% and higher
NOTE: To make sure there is no false reading due
to a valves not perfectly seated, tap each valve
adjustment screw (on the rocker arm) using a soft
hammer.
Diagnosis
Listen for air leaks.
– Air escaping in intake port/throttle body means
leaking intake valve(s)
– Air escaping in exhaust port means leaking ex-
haust valve(s)
– Air bubbles in the coolant (radiator) means leak-
ing cylinder head gasket
ENGINE
CONDITION
Excellent condition
Good condition
Fair condition; reduced
engine performance
Poor condition, diagnose
and repair engine
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