Sym GTS 250 Service Manual page 44

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3. Lubrication System
Oil Pump Inspection
Check the clearance between oil pump body and
outer rotor.
Limit: 0.25 mm
Check clearance between inner and outer rotors.
Limit: 0.20 mm
Check clearance between rotor side face and
pump body
Limit: 0.12 mm
Pins
Oil Pump Re-assembly
Install inner and outer rotors into the pump body.
Align the indent on driving shaft with that of inner
rotor.
Install the oil pump shaft and roller.
Install the oil pump cover and fixing pins properly.
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