APRILIA SR MAX 125 ie Service Station Manual page 141

SR MAX 125 ie
Engine
Fit the pins and rocking levers.
- Lubricate the two rocking levers through the
holes at the top.
- Lubricate the 2 bearings and insert the camshaft
in the cylinder head with the cams corresponding
to the rocking levers.
- Insert the retention plate and tighten the two
screws shown in the figure to the prescribed tor-
que.
Locking torques (N*m)
Plate screws
4 - 6 Nm
Insert the spacer on the cam shaft.
- Rotate the engine so that the piston is at top dead
centre, using the reference marks on the flywheel
and the crankcase.
- Insert the pulley on the camshaft while keeping
the reference 4V in correspondence with the ref-
erence mark on the head.
- Holding this position insert the chain on the cam-
shaft control pulley.
- Lock the fixing screws.
Locking torques (N*m)
Counterweight screw
7 to 8.5
Set the tensioner cursor to the rest position.
- Fit the chain tensioner on the cylinder, using a
new gasket, and tight the two screws to the pre-
scribed torque.
Insert the chain tensioning screw, together with the
spring and washer, tightening it to the prescribed
torque.
Locking torques (N*m)
Tensioner screws Tensioner cover
11 to 13 5 - 6
Nm
- Check valve clearance.
ENG - 141