KTM 790 DUKE
105 hp, 799 cc, 417 lbs2018
Suzuki Hayabusa
178 hp, 1299 cc1999 - 2007
EngineKTM 790 DUKESuzuki Hayabusa
Engine codeLC8e
Displacement799 cc1299 cc
Max power105 hp (@9 000 RPM)178 hp (@9 800 RPM)
Max torque62 lb ft (@8 000 RPM)101 lb ft (@10 200 RPM)
Redline10 000 RPM11 000 RPM
Idling speed1 200 RPM1 150 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-4
Compression12.70:111.00:1
Oil capacity3.12 quart
Oil type10W40
Spark plug typeNGK CR9E, DENSO U27ESR-N
CoolingLiquidLiquid
Valves816
Bore88.0 mm81.0 mm
Stroke65.7 mm63.0 mm
Throttle bore42.0 mm44.0 mm
Weight to power3.97 lbs/hp
Power to weight629 hp/2500lbs
Battery typeYT12A-BS, 12V 10Ah
GearboxKTM 790 DUKESuzuki Hayabusa
TypeSequentialSequential
ClutchSlipperWet
DriveChainChain
Chain type520 X-RingRK GB50GSV Z3
Gears count66
Primary ratio1.9231.596
Final drive2.752.352
1. gear2.846 (49 mph)2.615 (81 mph)
2. gear2.0 (70 mph)1.937 (110 mph)
3. gear1.55 (90 mph)1.526 (140 mph)
4. gear1.272 (109 mph)1.285 (166 mph)
5. gear1.083 (129 mph)1.136 (188 mph)
6. gear0.956 (146 mph)1.043 (204 mph)
ChasisKTM 790 DUKESuzuki Hayabusa
Frame typeCRMO steel frame, stressed engine
Front susp.WP 43mm USD, 5.51 in travelUSD, 4.72 in travel
Rear susp.WP shock absorber, 5.91 in travelMonoshock, 5.51 in travel
Dyno chart of 2018 KTM 790 DUKE