Technical data

49
- Remove the transmission cooling air inlet, shown in the pic-
ture.
- Using a screwdriver rotate the fan, mounted onto the drive
pulley, until the marking on the flywheel is aligned with that
stamped on the fly-wheel cover, as shown in the picture.
- Mark the alignment between fan and transmission cover on
the transmission side, as shown in the picture.
- Refit the spark plug.
- Refit the plastic cover on the flywheel cover.
Characteristic
Spark advance check, 250cc
from 10°±1°a2000 rpm
through 28°±1°a6500 rpm