BOMBARDIER RALLY 200 2003 Shop Manual page 80

Note the amount of leaking or percentage (depending
on tester).
LEAKAGE
PERCENTAGE
0% to 7%
8% to 15%
16% to 30%
30% and higher
Diagnose
Listen for air leaks.
– air escaping on intake port/carburetor means
leaking intake valve(s)
– air escaping on exhaust port means leaking ex-
haust valve(s)
– air bubbles out of radiator means leaking cylin-
der head gasket
– air/oil escaping from crankcase means dam-
aged gasket and/or loosened screws
(refer to GEARBOX)
– air/coolant escaping from cylinder/head means
damaged gasket(s) and/or loosened screws
(refer to CYLINDER AND HEAD)
– air escaping into crankcase area means exces-
sively worn cylinder and/or broken piston rings.
NOTE: For all the checkpoints mentioned above
see the appropriate engine section to diagnose
and repair the engine.
Installation
NOTE: At reassembly, use the torque values and
Loctite products from the exploded views (refer to
particular engine sections).
For installation, reverse the preparation proce-
dure.
VMR2003_007_03_03A.FM
ENGINE
CONDITION
Excellent condition.
Fair condition;
proceed with tuned
up or adjustment.
Poor condition;
engine will run and
performance might
be down in some
cases.
Very poor condition,
diagnose and repair
engine.
Section 03 ENGINE
Subsection 03 (LEAK TEST)
03-03-3