KTM 690 Duke (2017) vs BMW G 310R (2021) vs Beta RR 4T 350 Enduro (2015)
Comparison technical specifications
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| Make: | KTM | BMW | Beta |
| Model: | 690 Duke | G 310R | RR 4T 350 Enduro |
| Years: | 2017 | 2021 | 2015 |
| Engine: | Single cylinder, 4-stroke, SOHC, 4-valve | Single cylinder, DOHC and cam followers, 4 valves | Four stroke, single cylinder with countershaft, DOHC |
| Capacity: | 690 cc / 42.1 cu in | 313 cc / 19.1 cu in | 349 cc / 21.3 cu in |
| Bore x Stroke: | 105 x 80 mm | 80 x 62.1 mm | 88 x 57.4 mm |
| Compression Ratio: | 12.7:1 | 10.9:1 | 13.2:1 |
| Induction: | Keihin EFI, Throttle Body 50 mm | Electronic fuel injection | Fuel injection |
| Starting: | Electric | Electric | Electric and kick |
| Clutch: | APTC slipper clutch, hydraulically operated, antihopping | Multi-disc oil bath (anti-hopping) with self-reinforcement | Wet multi-disc |
| Transmission: | 6-Speed | 6-Speed, constant-mesh | 6 Speed |
| Final Drive: | Chain, 16:40 | Endless X-ring chain with shock damping in rear wheel hub | Chain |
| Frame: | Chrome-moly steel Trellis frame, aluminum powder coated sub-frame | Tubular space frame | Molybdenum steel with double cradle split above exhaust port. Air filter access from the side |
| Front Suspension: | WP Performance Systems Upside Down 4357 | 41mm USD telescopic fork | 48 mm Ø Sachs USD fork, adjustable compression and rebound, TFX technology, 11.4 in wheel travel. |
| Front Wheel Travel: | 135 mm / 5.3" | 140 mm / 5.5 in | 290 mm / 11.4 in |
| Rear Suspension: | WP Performance System emulsion with Pro Lever Linkage | Cast aluminium dual swing arm, central spring strut, spring pre-load adjustable | Sachs shock w/adjustable rebound and hi/low speed compression |
| Rear Wheel Travel: | 135 mm / 5.3" | 131 mm / 5.5 in | 290 mm / 11.4 in |
| Front Brakes: | Single 320 mm disc, Brembo 4 piston fixed caliper, Bosch 9M two channel ABS | Single 300mm disc, 4-piston fixed caliper, radially bolted | Single wave Ø 260 mm floating disc, 2 piston floating caliper |
| Rear Brakes: | Single 240 mm disc, Brembo single piston floating caliper, Bosch 9M two channelABS | Single 240mm disc, single-piston floating caliper | Single Ø 240 mm disc, 1 piston floating caliper |
| Front Tyre: | 120/70 - ZR17 M/C 58W TL | 110/70 R17 | 90/90 -21 |
| Rear Tyre: | 160/60 - ZR17 M/C 69W TL | 150/60 R17 | 140/80 -18 |
| Wheelbase: | 1466 mm / 57.7" | 1380 mm / 54.3 in | 1490 mm / 58.7 in |
| Seat Height: | 835 mm / 32.9" | 785 mm / 30.9 in OA low seat: 770 mm / 30.3 in OE high seat: 800 mm / 31.4 in | 940 mm / 37.0 |
| Fuel Capacity: | 14 Litres / 3.7 US gal / 3.1 Imp gal | 11 Litres / 2.9 US gal | 8.4 L / 2.2 US gal |