APRILIA SPORTCITY ONE 125 Service Station Manual

Refitting the cylinder
- Insert the cylinder base gasket with the thickness
determined above.
- Using the fork support and the piston ring retain-
ing band, refit the cylinder as shown in the figure.
NOTE
BEFORE FITTING THE CYLINDER, CAREFULLY BLOW
OUT THE LUBRICATION DUCT AND OIL THE CYLINDER
BARREL.
Specific tooling
020426Y Piston fitting fork
020427Y Piston fitting band
Inspecting the cylinder head
- Using a trued bar check that the cylinder head
surface is not worn or distorted.
- Check that the camshaft and rocking lever pin
bearings show no signs of wear.
- Check that the cylinder head cover surface, the
intake manifold and the exhaust manifold are not
worn.
Characteristic
Maximum admitted unevenness: Head check
0.05 mm
STANDARD DIAMETER
Specification
Desc./Quantity
Standard diameter A Ø 32.5 ÷ 32.525
Standard diameter B Ø 20 ÷ 20.021
Standard diameter C Ø 12 ÷ 12.018
SPORTCITY ONE 125 Engine
ENG - 93

APRILIA SPORTCITY ONE 125 Specifications

General

Engine Type	Single cylinder, 4-stroke
Displacement	124 cc
Cooling System	Air-cooled
Fuel System	Carburetor
Front Suspension	Telescopic fork
Rear Suspension	Single shock absorber
Front Brake	Disc
Rear Brake	Drum
Front Tire	120/70 - 14
Rear Tire	120/70 - 14
Transmission	Automatic
Fuel Capacity	7 liters