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Royal Enfield Thunderbird Plus
Royal Enfield Thunderbird Twins
Type
Cruiser
Cruiser
Horsepower
Approximately 18 hp @ 5,250 rpm (estimated based on 350cc AVL engine of the era)
350: ~19.8 hp @ 5,250 rpm | 500: ~27.2 hp @ 5,100 rpm
Torque
Approximately 28 Nm @ 4,000 rpm (estimated)
350: ~28 Nm @ 4,000 rpm | 500: ~41.3 Nm @ 4,000 rpm
Top Speed
Approximately 120 km/h (estimated)
~130 km/h (350 TwinSpark); ~140 km/h (500 TwinSpark) — estimated
Weight
Approximately 180 kg (wet/curb weight, estimated)
350: ~192 kg (curb) | 500: ~200 kg (curb)
Fuel
Approximately 30-35 km/L (estimated; note: specific Thunderbird Plus figures vary by year and conditions)
Approximately 28–32 km/L (3.1–3.6 L/100km) for the 350 TwinSpark; ~25–28 km/L for the 500 TwinSpark (estimated real-world)
Fairing
No
No