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Intermediate gear

- Check that the toothing is not worn.

- Check the diameter of the two bearings.

Characteristic

Gear bearing diameter:

12 - 0 0.011 mm

Also check the shaft diameter on the flywheel cov-

er and on the engine crankcase.

Characteristic

Bearing diameter on the flywheel cover

12 + 0.034 -0.016 mm

Bearing diameter on the engine crankcase:

12 + 0.034 -0.016 mm

N.B.

THE TORQUE LIMITER IS PROVIDED WITH 4 GEARS THAT HAVE THE FUNCTION OF CLUTCH

DRIVE PLATES.

Driven plates consist of 4 Belleville springs provi-

ded with grooved profiles; this assembly allows

transmitting torque lower than 10 kg.

In case of incorrect start-up manoeuvres, the lim-

iter prevents any kicks, with consequent reversal

of direction of the crankshaft which would impair

the engine structure.

The limiter assembly cannot be overhauled. In case of irregularities on the toothed discs, replace the

assembly.

Refitting the free wheel

- Make sure the freewheel faying surfaces are in good condition.

- Thoroughly clean the free wheel to remove LOCTITE residue.

- Degrease the threading of the holes in the free wheel and the clamping screws.

- Apply the recommended product to the end of the screws.

PIAGGIO MP3 500 i.e. SPORT User Manual

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