Refitting The Driving Pulley - APRILIA SR MAX 125 ie Service Station Manual

Engine
movable driving half-pulley bushing: Maxi-
mum allowable diameter
Ø 26.12 mm
Sliding bushing: Standard Diameter
Ø 25.959 ÷ 25.98 mm
Sliding bushing: Minimum admissible diame-
ter
Ø 25.95 mm
Roller: Standard diameter
Ø 19.5 - 20.1 mm
Roller: Minimum admissible weight
5.4 ± 0.15 g

Refitting the driving pulley

- Preassemble the movable half-pulley with the
roller contrast plate by putting the rollers in their
housings with the larger support surface touching
the pulley according to the direction of rotation.
- Check that the roller contact plate does not have
flaws and is not damaged on the grooved edge.
- Mount the complete bushing unit on the crank-
shaft.
- Fit the driven pulley/Clutch/belt unit on the en-
gine.
ENG - 108
SR MAX 125 ie