ENGINE
3.37
The following procedure must be used to torque the
cylinder head properly:
Torque
5-6.5 ft. lbs.
(7--9 Nm)
Torque in cross
pattern per procedure
Torque all bolts evenly in a cross
pattern. Apply oil to bolt threads
*Torque bolts to 18 ft. lbs. (24.5 Nm)
*Loosen bolts evenly 180° (1/2 turn)
*Torque bolts to 11 ft. lbs. (14.7 Nm)
*From this point, tighten bolts evenly
90° (1/4 turn)
*Finally, tighten another 60° (1/6 turn)
Torque 6mm case bolts to 5--6.5 ft. lbs.
(7--9Nm)
CAM CHAIN/CAMSHAFT
INSTALLATION
CAUTION: Serious engine damage may result if
the camshaft is not properly timed to the
crankshaft.
Install the cam chain over the crankshaft.
Sprocket
Mark
Plated
Link
Crankcase
Projection
IMPORTANT CAMSHAFT TIMING NOTE: In order
totimethecamshafttothecrankshaft,thepistonmust
be precisely located at Top Dead Center (TDC). This
can be accomplished using one of two methods.
When the stator assembly is removed, follow the
procedure outlined in Method 1. This method uses
the cam chain platelinkstotimethecamshaft and the
dot on the cam chain drive sprocket to establish TDC
(see below, Method1). Itis important tonotethat this
method can only be used when the stator is removed
andthecam chain drivesprocket is in view. Theplate
links are not used to time the camshaft when the
flywheel is installed.
When the stator assembly is installed, use Method 2.
This method establishes accurate Top Dead Center
(TDC)by aligningthesinglemarkonthe flywheelwith
the notchin the timinginspection hole (see Method2,
Page 3.40). The camshaft sprocket alignment marks
are parallel to the gasket surface, the alignment pin
faces to the intake side, and camshaft lobes are
pointing down.
Camshaft Installation - Timing Metho d 1
Refer to Illustration Page 3.39
If the stator assembly is removed: NOTE: Use this
method only when the stator is removed and cam
chain drive sprocket is in view.
1. Rotate the crankshaft until the mark on the cam
chaindrive sprocket is alignedwiththecrankcase
projection (mark facing downward).
2. Align the single plated link on the cam chain with
themarkedtooth of thecamchaindrivesprocket.
Useawiretopullthechainupthroughthecylinder
and cylinder head, and secureit tohold the chain
in place.
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