| Parts located in the Camshaft Assembly of the 50cc 139QMB Engine.-- click on image to enlarge. |
| | For parts located in the Cylinder Head Assembly of the 50cc 139QMB Engine. |
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| For parts located in the Cylinder Cover Assembly of the 50cc 139QMB Engine. |
| | For parts located in the Cylinder, Crankshaft and Piston Assembly of the 50cc 139QMB Engine. |
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| For parts located in the Crankcase Assembly of the 50cc 139QMB Engine. |
| | For parts located in the Right Cover Assembly of the 50cc 139QMB Engine. |
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| For parts located in the Flywheel and Oil Pump Assembly of the 50cc 139QMB Engine. |
| | For parts located in the Electric Start Assembly of the 50cc 139QMB Engine. |
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| For Parts located in the Drive Wheel and Clutch Assembly of the 50cc 139QMB Engine. |
| | For parts located in the Gearbox Cover Gear Assembly of the 50cc 139QMB Engine. |
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| For parts located in the Left Crankcase Cover Assembly of the 139QMB Engine. |
| | For parts located in the Fan Shroud Assembly of the 50cc 139QMB Engine. |
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| For parts located in the Carburetor Assembly of the 50cc 139QMB Engine. |
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