The Royal Enfield Classic 350 is equipped with a 349 cc single-cylinder, 4-stroke, air-oil cooled engine. This J-series motor produces around 20.2 bhp at 6,100 rpm and 27 Nm of torque at 4,000 rpm, delivering smooth and refined performance.

The Royal Enfield Classic 650 has a kerb weight of around 243 kg. Despite its weight, the low centre of gravity helps make it manageable and easier to handle.

The Royal Enfield Classic 350 offers a ground clearance of 170 mm, allowing it to handle uneven roads and speed breakers with ease. Earlier models had a lower clearance of around 135 mm.

The Royal Enfield Classic 350 has a top speed of around 110-120 kmph. While it can reach these speeds, it is best suited for comfortable cruising at 80-90 kmph with smooth and steady performance.

The Royal Enfield Classic 350 comes with a 13-litre fuel tank, offering a practical range for both city rides and longer journeys.

The Royal Enfield Classic 350 typically returns a real-world mileage of around 35-45 kmpl, depending on riding conditions. In city traffic, it usually delivers about 30-35 kmpl, while highway riding can improve efficiency to around 40-45 kmpl.

The Royal Enfield Classic 350 (new generation) generally comes with a 100/90-19 front tyre and a 120/80-18 rear tyre. Older versions used smaller sizes like 90/90-19 at the front and 110/80-18 at the rear, depending on the model variant.