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    Royal Enfield’s New 650cc Engine Details Revealed

    Benjamin Noel Gracias
    Benjamin Noel GraciasModified On Mar 20, 2019 01:28 pm IST
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    Published OnNov 06, 2017 02:41 pm IST
    Last Updated OnMar 20, 2019 01:28 pm IST
    29662 Views

    The new parallel-twin engine will power Royal Enfield’s upcoming flagship bike

    The new parallel-twin engine will power Royal Enfield’s upcoming flagship bike

    Royal Enfield new motor details revealed

    Royal Enfield has unveiled its new twin-cylinder motor at its Technology Centre in Leicestershire, England. The new motor is an air-cooled parallel-twin unit with a displacement of 648cc. It will power Royal Enfield’s upcoming big bikes, the first of which will be revealed shortly at the ongoing 2017 EICMA. The motor is a completely new unit built from the ground up and shares very little components with RE’s existing engines.

    Royal Enfield new motor details revealed

    The decision to stick to a 650cc configuration was taken as Royal Enfield thinks that the 600 to 650cc market will grow really fast. Royal Enfield also wanted to keep its product unique and accessible to a larger audience. The new motor is air-cooled and fuel-injected. It uses a four-valve SOHC layout, ditching the traditional pushrod layout. The motor has a single-piece forged crankshaft (an Enfield first) with a balancer shaft to reduce vibrations. The twin cylinders use a 270-degree firing order that should give it V-twin engine characteristics of low-end grunt and the throaty exhaust bark reminiscent of a V-twin motor. Compression ratio is 9:5:1.

    Royal Enfield new motor details revealed

    It makes 47.6PS at 7,100rpm and 53Nm of torque at 4000rpm. Since Royal Enfield wanted to sell the new motorcycle for A2 license holders in the UK, they decided to duck under the 50PS cap. The performance has been kept mild so as to make it accessible to a newer and wider audience. The torquey motor is said to offer good low and mid-range performance and should do well cruising at speeds of around 130kmph without stress. The engine will feature a six-speed gearbox - a Royal Enfield first - and a slipper clutch.The engine is Euro-IV compliant and, according to RE engineers, should pass Euro V standards with minimal tweaking.

    Royal Enfield new motor details revealed

    Royal Enfield will launch the new bike at EICMA. Watch this space for more.

    Royal Enfield Interceptor 650 User Reviews

    • L
      lucky on Mar 14, 2026
      4.3
      Dont buy if you are underweight
      I choose this bike because. It gives you good features in this range and it moves smoothly on highways as compare to city but it is comfortable in city also. If you are buying this for long drives then you should buy this. Smooth on highway as compare to city its feature are far better than any other bikes and handling is so smooth if you are beginer than you should buy this one it will give you comfort while riding the bike. You should have Muscle power to control this above 20 year old person should buy this because if customer weight is not much then he can't even move it while off. Because of its heavy weight u can see some problems but i can give you the gurantee this is worth it bike i have ever seen i have more than 11 bikes but this is my favourite one.
      Read More
      4
    • N
      naveen on Feb 28, 2026
      4.7
      Premium Parallel Twin from Royal Enfield
      2020 Royal Enfield Interceptor 650 twin parallel engine, with safety mods. Great power and greater road presence. Mods include: 1. Twin Exhausts from BS 2. Improved seat. 3. Windshield with chrome mirrors. 4. Premium LED headlight with LED fog lights. 5. Engine crash guard with under-the-belly protector. 6. Back rest for pillion rider with carrier. 7. All LED turn indicator cum hazard light with multiple settings. 8. Metallic Phone holder with charging. 9. Leg rest for pillion riger. 10. LED Break light with blinkers.
      Read More
      1 1
    • D
      dipanker on Feb 16, 2026
      4.3
      Love and Hate for this amazing ride Continues
      I chose this bike because of the Smooth ride, great pick up and effortless torque with its parallel twin engine. Also the safety on long distance rides with its anti breaking system (ABS). While it is little heavy for city traffic, but it is unbeatable for price and performance. I have bought the bike second-hand from another person. While he had clocked 15000 km on the odometer, I have already done 17000 within a year, with 3 cross-country and 1 coastal route ride covering the entire coastal belt. I am loving it, though sometimes the low mileage and frequent pit stops are annoying. I would recommend this bike to people who will use it for long-distance rides and not use it for going to office or riding in traffic. In city traffic a lighter 150cc is better. But on long distance rides, interceptor is smooth like a hot knife through a butter.
      Read More
      2
    • J
      jayesh on Feb 11, 2026
      4.0
      Royal Enfield interceptor 650 a true twin classic
      I chose the Royal Enfield Interceptor 650 because it offers the perfect balance between classic retro design and modern performance. The twin-cylinder engine, smooth power delivery. Best bike till the date I drove. The ride experience has been excellent. The engine is incredibly smooth, especially compared to single-cylinder bikes. It feels relaxed at city speeds and very confident on highways handling is safe due to damping. Yes, I recommend this bike because of best looks and little bit maintenance other wise best bike and the torque is greater. I am addicted to bike what a bike, Its feels relaxed at City and very comfortable on highway.
      Read More
    • V
      vedant on Feb 06, 2026
      3.8
      Simply lovely
      I am royal enfield fan and wanted something that will turn eyes. With a retro look and a classic bike. The bike has a god rubble to it and has an easy engine to work with if you are into doing diy mods or service. The passanger space is very un ergonomic. Eg. if the pillion wants to sit comfortably they usually put their leg on the gear shifter and the break leaver. The seat is also less cussioned i.e. softer making the pillion a lot fall under hard acceleration. For Batchelors and non pillion riders mile munchers happy go lucky travels who want to ride seriously but chill at the same time. And if you a rumble enthusiast you must try the bike.. it not be the best in a spec but over all its a good bike.
      Read More
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    Benjamin Noel Gracias
    Senior Correspondent. Loves bikes and the technical bits associated with them. Has traveled extensively across the country and been reviewing bikes for the past four years. Read more

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