Inspecting the flywheel components
- Check the integrity of the magnets.
- Check that the magnet support cage is free from
deformation or cracks.
- Check that the flywheel splines exhibit no loos-
ening.
Starter gear rim
- Check that there is no wear or abnormal impres-
sions on the "rollers" of the freewheel and on the
surface of the starter ring gear hub.
- Check the hub outside diameter.
Characteristic
Hub outside diameter:
Diameter 45.665 + 0.008 +0.005 mm
- Check the inside diameter of the bushing of the
starter gearing.
- Check that the toothing is not worn.
Characteristic
Inside diameter of the bushing:
Diameter 27 + 0.020 +0.041 mm
N.B.
IF THE FAULTS DISCOVERED AFFECT THE HUB, REPLACE THE STARTER RING GEAR AND
FREEWHEEL.
IF ONLY THE BUSHING IS WORN, IT IS POSSIBLE TO REPLACE ONLY THE COMPLETE START-
ING RING GEAR. IN THAT CASE, CHECK ALSO THE DIAMETER AND THE SURFACE OF THE
CONNECTION ON THE CRANKSHAFT. IN CASE OR IRREGULARITIES, REPLACE THE CRANK-
SHAFT.
MP3 500 i.e. SPORT Business_LT_ ABS-ASR_EU_USA (2015) Engine
ENG - 185
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