S&S Performance boosts displacement on Royal Enfield 650 Twins to 865 cc

07/06/2019 - 15:30 | ,  ,  ,   | Suvil Susvirkar

If you have about USD 630.95 (approximately INR 43,786) to spend on your Royal Enfield 650, you can get a Big Bore Kit from S&S Performance that will boost the total displacement to 750 cc. For four more dollars (or INR 262) you can buy an even bigger kit that will take the displacement to 865 cc. The kit includes cylinders, pistons and a head gasket.

Royal Enfield Interceptor 650 and Royal Enfield Continental GT 650 parallel twin motorcycles
The S&S Performance kit for Royal Enfield 650 Big Bore Kit 750 cc kit costs USD 630.95 (approximately INR 43,786), while the 865 cc kit will set you back by USD 634.95 (approximately INR 44,048).

Also Read: Termignoni adds scrambler style exhaust to the Royal Enfield Interceptor INT 650

The performance boost resulting from the added displacement is yet to be revealed. The stock, 648 cc parallel-twin cylinder, air & oil cooled engine with a single overhead camshaft that makes 47 bhp of peak power at 7,250 rpm and 52 Nm of max torque at 5,250 rpm. Apart from the Big Bore Kits, S&S Performance also offers several other parts that will help boost the output numbers. The list of optional extras includes:

PartPrice (USD)Price (INR – For Representation only)
Dynojet Power Commander V with CalibrationUSD 399.99INR 27,760
High-Flow Air Intake Eliminator Plate KitUSD 23.95INR 1,662
High-Flow Replacement Air FilterUSD 59.95INR 4,161
High-Compression 11:1 Piston KitUSD 492.95INR 34,211
Stainless Muffler SetUSD 641.95INR 44,552
Race only Stainless Muffler SetUSD 474.95INR 32,962
Handlebar Adjuster Kit (INT 650)USD 69.95INR 4,855
Performance Clutch KitUSD 399.95INR 27,757
High-Performance Camshaft Kit with ShimsUSD 186.95INR 12,975

The optional extras from S&S Performance are available in select international markets, and it will be difficult to source the parts in India. Moreover, the company has added a disclaimer on its website that the Big Bore Kit is for closed course competition use only, and it is not intended for street use. You can check out their official website for more details about the performance upgrade kits and spares.

Royal Enfield Continental Gt 650 Side Profile Thai
Apart from the Big Bore Kit, S&S Performance is also offering parts to further boost the power output numbers.

Also Read: Modified Royal Enfield Continental GT 650 is race-ready

Back home, the Royal Enfield 650 Twins will reportedly receive their first price hike since the launch in November last year. Currently, the prices for the Interceptor INT 650 start from INR 2.50 lakh*, while the Continental GT 650 cafe race can be purchased from INR 2.65 lakh* onwards. The Interceptor INT 650 and the Continental GT 650 are expected to receive a price increase of INR 20,000, which will bring the new ex-showroom cost to INR 2.70 lakh* and INR 2.85 lakh* respectively. The most expensive Chrome variants, post the price hike, will retail at INR 2.92 lakh* for the Interceptor INT 650 and INR 3.05 lakh* for the Continental GT 650.

*Ex-showroom Delhi Prices

NOTE: Images for representation purpose only

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