ASSEMBLING THE ENGINE
E
5
– Screw on the oiled cylinder head bolts (1) with the
washers.
–Tighten the cylinder head bolts crosswise until you feel
a slight resistance.
–Tigthen the cylinder head bolts crosswise to 40 Nm.
–Tighten the cylinder head bolts crosswise to 50 Nm.
– Secure the lateral cylinder head bolt (2) with Loctite
243 and tighten to 10 Nm.
CAUTION: do not tighten the lateral cylinder
head bolt any tighter since you may damage
the feeder on the engine case.
MOUNTING THE TIMING CHAIN
–Mount the woodruff key for the rear sprocket (3) in the
idler shaft groove.
–Heat the rear sprocket on the idler shaft on a hotplate
to approx. 100° C and immediately slide on the idler
shaft with the collar on the inside.
CAUTION: do not mount the rear sprocket in a
cold condition since you may damage the idler
shaft ball bearing or cause the idler shaft to be
pressed towards the inside.
– Mount the camshaft with the cap (4) in the cylinder
head, insert new, oiled O-rings in the cap.
NOTE: the collar (5) of the cap must engage in
the cylinder head groove.
– Lock the crankshaft with the locking bolt
580.30.080.000.
–Place the woodruff keys in the shaft grooves of the
idler shaft and crankshaft.
–Mount the primary pinion (6) and idler shaft gear (7),
turn the idler shaft until the marks (8) on the two gears
are aligned.
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