Removing The Driving Pulley; Inspecting The Rollers Case; Bushing Roller Container; Bush Slide Pulley - APRILIA SPORTCITY ONE 125 Service Station Manual

Engine

Removing the driving pulley

- Lock the driving pulley with the specific tool as
shown in the figure. - Disassemble the central nut
and the Belleville washer, remove the drive and
the 2 washers. - Remove the stationary half pulley
and the steel washer.
Specific tooling
020368Y driving pulley lock wrench
- Remove the belt and slide the movable half-pul-
ley with the relevant bush, taking care of the falling
free assembled rollers.
- Remove the return rollers plate with the relative
guide pads.

Inspecting the rollers case

- Check that the internal bushing is not abnormally worn and measure inner diameter.
NOTE
DO NOT LUBRICATE OR CLEAN THE BUSHING.
Specification
Maximum allowable diameter
Standard diameter
Specification
Minimum diameter permitted
Standard diameter
Specification
Minimum diameter permitted
Standard diameter
ENG - 74

BUSHING ROLLER CONTAINER

BUSH SLIDE PULLEY

VARIABLE SPEED ROLLERS
SPORTCITY ONE 125
Desc./Quantity
Ø 26.121 mm
Ø 26+0 +0.021 mm
Desc./Quantity
Ø 25.950 mm
Ø 26-0.020 -0.041 mm
Desc./Quantity
Ø 18.5 mm
Ø 26±0.1 mm