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Tecnico cb250 Manual page 84

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Cylinder Head/Cvllnder/Piston
Camshaft/Camshaft Holder lnstallation
Turn the crankshaft counterclockwise and align the "T"
mark on the flywheel with the index mark on the left
crankcase cover.
Install the cam sprocket with the-timing marks(index lines)
facing the left side.
Install the camshaft on the cylinder head through the cam
chain and cam sprocket.
Install the knock pins of the camshaft bushings into the
grooves in the cylinder head.
Align the timing marks (index lines) on the cam sprocket with
the top ofthe cylinder head and install the cam chain over the
sprocket.
Install the cam sprocket on the camshaft flange and align the
cam sprocket bolt holes in the sprocket and camshaft.
Apply a locking agent to the threads of one cam sprocket
bolt, and .install and tighten the sprocket bolt.
Turn the crankshaft counterclockwise 360
0
Apply a locking
agent to the threads of the other cam sprockét bolt. Install
the other cam sprocket bolt and tightenit to the specified
torque.
Torque: 20 N-m 12.0 kg-m, 14 ft-Ib}
Turn the crankshaft counterclockwise 360
0
and tighten the
other cam sprocket bolt to the specified torque.
Apply a molybdenum oil solution (half engine oil_ and half
molybdenum disulfide grease) to the camshaft lobes.
- Install the dowel pins ínto the cylinder head.
Install the camshaft holders with the "F" mark toward the
front.
(1) INDEX MARK
(2) "T" MARK
(2) INDEX UNES
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