Driving Pulley Check - APRILIA C361M Workshop Manual

ENGINES C361M / C364M
3.2.3.

DRIVING PULLEY CHECK

•
Check the inside bearing for abnormal wear and
measure its diameter. Do not lubricate or clean the
bearing.
•
Minimum permitted diameter: 20.12 mm
•
Standard diameter: 20.021 mm
•
Measure the outside diameter of the pulley running
bush.
•
Minimum permitted diameter: 19.95 mm
•
Standard diameter: 19.959 mm
•
Check the state of wear of the belt contact surfaces
and the roller recesses.
•
Make sure the rollers are not damaged or worn.
•
Minimum permitted diameter: 18.5 mm
•
Standard diameter: 18.9 mm
•
Make sure the driving belt is not damaged and check
its width.
•
Minimum width: 17.5 mm
ENGINE
3 - 11