Cylinder Head Installation - BRP BOMBARDIER DS250 2006 Shop Manual

Section 03 ENGINE
Subsection 08 (CYLINDER HEAD)
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1. Tightest coils here
2. Painted area here
Use valve spring compressor clamp (P/N 529 035
724) and valve spring compressor cup (P/N 529
035 764) to reinstall valve springs.
WARNING
Never remain facing valve springs end. You
might be injured if case of tool failure.
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.
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CYLINDER HEAD INSTALLATION

Install chain guide, dowel pins and a new cylinder
head gasket onto the cylinder.
CAUTION: Prior to inserting chain guide, en-
sure to pull up chain to recover all slack so
that chain is completely meshed with crank-
shaft gear. Hold chain tight then insert guide.
This operation is critical so that chain remains
in position for further assembly.
80
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Install cylinder head and properly torque screws.
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Install and properly torque small mounting bolts.
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Install camshaft into cylinder head.
Align its mark with cylinder head mark.
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