Gilera 633721 Workshop Manual page 157

Nexus 500 euro 3
Engine
- Install the intermediate gear with torque limiter,
the flywheel and its cover, as described in Chapter
"Flywheel and start-up system", and in Chapter
"Flywheel cover".
N.B.
FOR MORE CONVENIENCE, INSTALL THE FLYWHEEL
COVER WITHOUT THE COOLING SYSTEM SLEEVES.
- Using the TORX wrench, remove the timing
check cap.
- Align the wheel speed sensor references with the
head as shown in the figure.
- Keeping the belt slightly pulled, turn the crank-
shaft using the driving pulley to make the reference
on the magnet support collimate with that on the
flywheel cover.
ENG - 157