During manufacture only the best possible materials are used and all machined parts are finished to a very high standard but it is still necessary to allow the moving parts to “break-in” before subjecting the engine to maximum stresses. The future performance and reliability of the engine depends on the care and restraint exercised during its early life. The general rules are as follows.
Speed limits
initial 800 km (500 miles): below 7 000 r/min
up to 1 600 km (1 000 miles): below 10 500 r/min
over 1 600 km (1 000 miles): below 13 750 r/min
Piston ring removal and installation
Removal
Remove the piston. Refer to “engine bottom side disassembly” .
Carefully spread the ring opening with your thumbs
and then push up the opposite side of the 1st ring to
remove it.
Note
do not expand the piston ring excessively
since it is apt to be broken down. ...
Fastener removal and installation
Type a
Removal
Depress the head of fastener center piece (1).
Pull out the fastener (2).
Installation
Let the center piece stick out toward the head so that
the pawls “a” closes.
Insert the fastener into the installation hole.
Note
to prevent the pawl ...
Gearshift shaft oil seal / bearing removal and installation
Removal
Remove the gearshift shaft. Refer to “gearshift shaft / gearshift cam
plate removal and installation” .
Remove the gearshift shaft oil seal (1).
Remove the bearings (2) and (3) with the special
tools.
Special tool
(a): 09921–20210 (bearing remover
(12
mm))
...