Generic TR 125 Service Manual page 97

Assemble Engine Oil Pump
As shown in the following figure:
1 Oil suction pump assembly 2 Oil pressure pump assembly 3 Retaining ring 4 Gasket 5 Oil pump gear
6 Fixed pin 7 Oil suction pump shaft 8 Pin 9 Bolt M6x16 10 Oil pump cover 11 Inner rotor 12 Outer
rotor 13 Oil pressure pump shaft 14 Oil pump cover 15 Inner rotor 16 Outer rotor 17 Gasket 18 Oil
pump transition gear 19 Transition gear shaft
* Attention:
After assembly, inner and external rotors shall rotate smoothly and be out of nimbleness.
Installation
Install the oil pump in the reverse order of removal.
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