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SPECIFICATIONS
Lubrication
Sump capacity Overhaul 1.7 litres
Oil and filter change 1.5 litres
Recommended engine oil Selenia HI Scooter - 4Tech specification API SJ
5W/40
Assembly clearances lobe ends 0.05 - 0.008 mm
Radial play of the external rotor 0.05 - 0.12 mm
End play of the rotors 0.025-0.065 mm
By-pass Type piston
Piston diameter Ø13.9
-0.039
mm
Free length of spring 62.5 mm
Calibration pressure 4 bar
Pre-filter Type plastic mesh
Oil filter Type paper with overpressure by-pass
and antidraining
Minimum oil pressure
Calibration 0.3 - 0.6 bar
signal switch
Head ubrication control Diameter Ø 1
± 0.05
mm
jet
Piston cooling nozzle
Diameter Ø 0.8
± 0.05
mm
Crankcase ventilation Device metal reed valve
control and decanting chamber
-0.057
Oil pump Type Trochoidal
Rotor thicknesses 8 mm
tightening
torque
5-7 N·m
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