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PIAGGIO Fly User Manual

PIAGGIO Fly
153 pages
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Refitting the crankshaft bearings
Heat the bearings in an oil bath at around 150°C
and fit them on the crankshaft, if necessary using
a section of tube that acts on the bearing's inner
track
Specific tooling
020265Y Bearing fitting base
Inspecting the crankshaft alignment
With the specific tool shown check that the eccen-
tricity of the surfaces of diam. «A»-«B»-« C» are
within 0.03 mm. (reading limit on the dial gauge);
in addition, check the eccentricity of diam. «D», for
which a maximum reading of 0.02 mm is permitted.
In the case where eccentricity is not much above
prescribed levels, straighten the shaft by acting
on the counterweights with a shim or tighten them
in a clamp (with an aluminium bushing) as re-
quired..
Specific tooling
020335Y Magnetic mounting for dial gauge
020074Y Mounting base for checking crank-
shaft alignment
Refitting the crankshaft
- Position the transmission side half crankcase on
two wooden supports
- Using a thermal gun, heat the bearing seat to
about 120°
Engine Fly
ENG - 86

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PIAGGIO Fly Specifications

General IconGeneral
TransmissionAutomatic CVT
Front BrakeDisc
Rear BrakeDrum
StarterElectric and kick
Engine TypeSingle cylinder, 4-stroke
Cooling SystemAir-cooled
Front SuspensionTelescopic fork
Front Tire120/70-12
Fuel SystemCarburetor

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