Name: APRILIA SX 125
Brand: APRILIA
Rating: 4 (1 reviews)

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•

The pin (2) should adjusted to the pis-

ton without considerable clearance.

•

Make sure the grooves of the seeger

rings (4) are not worn.

•

Measure the axial clearance of the

rings with a thickness gauge; max.

wear limit = 0.10 mm (0.0039 in).

•

Distance between the ends of the pis-

ton ring. Nominal distance between the

ends 0,05 - 0,20 mm (0.0019 - 0.0079

in) Max. wear limit 0.8 mm (0.032 in).

TO MEASURE THE DISTANCE BETWEEN THE ENDS OF A

PISTON RING, PLACE THE RING IN THE CYLINDER USING

THE PISTON AS A PUSHING TOOL AND CHECK THE DIS-

TANCE WITH A THICKNESS GAUGE.

Fitting the piston

•

Position the cylinder base gasket.

THE CRANKCASE GASKET SHOULD NOT PROTRUDE OR RECESSED COMPARED WITH THE

CYLINDER BASE SURFACE SO AS TO AVOID COOLANT LEAKING INTO THE CRANKCASE.

•

Place a seeger ring in the piston groove.

USE NEW SEEGER RINGS ONLY. MAKE SURE THE OPEN ENDS OF THE RINGS ARE FACING

DOWNWARDS.

RX SX 125 Engine

ENG - 109

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APRILIA SX 125 Specifications

General