Valve Guides - BRP Cam-am Outlander 6x6 DPS 2015 Manual

Ensure to seat valves properly. Apply some lap-
ping compound to valve face and work valve on
its seat with a lapping tool (see
this subsection).
Measure valve face contact width.
NOTE: The location of contact area should be in
center of valve seat.
Measure valve seat width using a caliper.
VALVE SEAT CONTACT WIDTH
EXHAUST VALVE
NEW
SERVICE LIMIT
INTAKE VALVE
NEW
SERVICE LIMIT
If valve seat contact width is too wide or has dark
spots, replace the cylinder head.
V01C1HA
A. Valve face contact width
B. Valve seat contact width
Valve Installation
For installation, reverse the removal procedure.
Pay attention to the following details.
Install a NEW valve stem seal. Make sure thrust
washer is installed before installing seal.
Apply engine oil on valve stem and install it.
NOTICE
Be careful when valve stem is
passed through sealing lips of valve stem
seal.
vmr2015-117
Section 02 ENGINE, CVT AND GEARBOX

VALVE GUIDES

in
1.25 mm to 1.55 mm
(.049 in to .061 in)
2.00 mm (.079 in)
1.05 mm to 1.35 mm
(.041 in to .053 in)
1.80 mm (.071 in)
Subsection 09 (TOP END (650))
1
R400motr85A
1. Thrust washer
2. Sealing lips of valve stem seal
To ease installation of cotters, apply oil or grease
on them so that they remain in place while relea-
sing the spring.
After spring is installed, ensure it is properly
locked by tapping on valve stem end with a soft
hammer so that valve opens and closes a few
times.
NOTICE
An improperly locked valve spring
will cause engine damage.
VALVE GUIDES
Valve Guide Inspection
Always replace valve stem seals whenever valve
guides are removed.
Measure valve guide in three places using a small
bore gauge.
NOTE: Clean valve guide to remove carbon de-
posits before measuring.
Replace valve guide if it is out of specification or
has other damages such as wear or friction sur-
face.
VALVE GUIDE DIAMETER (INTAKE AND
EXHAUST VALVES)
NEW
SERVICE LIMIT
Valve Guide Removal
Remove cylinder head (see
this subsection).
VALVES
Remove valves (see
NOTE: Clean valve guide area from contamination
before removal.
Drive the valve guide out of cylinder head.
2
4.998 mm to 5.018 mm
(.1968 in to .1976 in)
5.050 mm (.1988 in)
CYLINDER HEAD in
in this subsection).
169