Cylinder Head Removal - BRP BOMBARDIER DS250 2006 Shop Manual

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Adjustment
When marks are properly aligned, check valve
clearance with a feeler gauge.
NOTE: All valves can be adjusted in this position.
VALVE CLEARANCE
INTAKE
EXHAUST
Insert the appropriate thickness feeler gauge be-
tween valve stem end and rocker arm contact sur-
face.
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If adjustment is required, hold adjusting screw
while loosening locking nut.
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0.08 - 0.12 mm
(.003 to .005 in)
0.13 - 0.17 mm
(.005 - .007 in)
Subsection 08 (CYLINDER HEAD)
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1. Adjusting screw
2. Lock nut
Turn adjustment screw as required.
When adjustment is appropriate, hold adjusting
screw while tightening locking nut.
Recheck adjustment.
Reinstall cylinder head side cover.
NOTE: It is a good opportunity to check the engine
lubrication system. See ENGINE OIL PRESSURE
in the LUBRICATION SYSTEM section.
Reinstall remaining removed parts.

CYLINDER HEAD REMOVAL

Clean engine.
Remove engine from vehicle. Refer to ENGINE
REMOVAL AND INSTALLATION.
NOTE: Rocker arms can be removed when engine
is in vehicle.
Remove timing chain tensioner.
Section 03 ENGINE
71