03/10
57
ASSEMBLING THE CYLINDER
- Install a new base gasket and 2 pins on the crankcase.
- Position piston ring opening as follows.
- A. Upper seal piston ring opening
- B. Lower seal piston ring opening
- C. Upper piston ring opening.
- D. Lower piston ring opening
Lubricate the cylinder.
- Pass the timing chain through the cylinder slot.
- Manually compress piston rings and individually mount
them in the cylinder.
- Mount the timing chain sliding shoe, fitting it in the cylin-
der housing
(A)
on the exhaust side.
ASSEMBLING THE HEAD
- Position the 2 pins
(1)
and the cylinder head gasket
(2)
on the cylinder.
- Pass the timing chain through the head slot.
Any intervention that requires head dismantling
requires always timing phase tuning.
Fig. 56
Fig. 57
Fig. 58