APRILIA SPORTCITY ONE 125 Service Station Manual

Characteristic
Standard drainage guide diameter
5.012 mm
Standard inlet guide diameter
5.012 mm
- If the width of the impression on the valve seat or
the diameter of the valve guide exceed the speci-
fied limits, replace the cylinder head.
- Check width of the impression on the valve seat
«V»
Characteristic
Wear limits:
Max. 1.6 mm.
Inspecting the valves
- Measure the diameter of the valve stems in the
three positions indicated in the diagram.
- Calculate the clearance between valve and valve
guide.
Characteristic
Minimum diameter admitted - Inlet:
4.96 mm
Minimum diameter admitted - Outlet:
4.95 mm
Standard clearance - Inlet:
0.013 ÷ 0.040 mm
Standard clearance - Outlet:
0.025 ÷ 0.052 mm
Maximum clearance admitted- Inlet:
0.062 mm
Maximum clearance admitted - Outlet:
0.072 mm
SPORTCITY ONE 125 Engine
ENG - 95

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