Unresolved fluid specifications: Physical PDF page 61 gives an oil fill of 1.8 L, SAE 5W-40 SJ or above, while page 74 lists 1.9 L, 10W-40 SL. For fuel capacity, page 20 gives 12.8 L, but page 74 prints 1.3 L. We cannot verify which figures are correct or reconcile the oil specifications; no combined specification is selected.
Official English-language owner's manual for the Voge SR4 Max. Includes specifications, controls, periodic maintenance plan with item-by-item intervals (note: cadence is 1k → 5k → 10k → 15k → 20k → 25k, different from the smaller Voge models which use 6k intervals), CVT belt service schedule, torque tables, and the electrical schematic.