- 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.
N.B.
DO NOT LUBRICATE OR CLEAN THE BUSHING.
BUSHING ROLLER CONTAINER
Specification Desc./Quantity
Maximum allowable diameter Ø 26.121 mm
Standard diameter Ø 26+0 +0.021 mm
BUSH SLIDE PULLEY
Specification
Desc./Quantity
Minimum diameter permitted Ø 25.950 mm
Standard diameter Ø 26-0.020 -0.041 mm
VARIABLE SPEED ROLLERS
Specification
Desc./Quantity
Minimum diameter permitted Ø 18.5 mm
Standard diameter Ø 26±0.1 mm
Engine Vespa LX 125 - 150 i.e.
ENG - 102
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