Suzuki Hayabusa
178 hp, 1299 cc1999 - 2007
KTM 390 Duke
43 hp, 373 cc, 346 lbs2015 - 2016
EngineSuzuki HayabusaKTM 390 Duke
Displacement1299 cc373 cc
Max power178 hp (@9 800 RPM)43 hp (@8 600 RPM)
Max torque101 lb ft (@10 200 RPM)25 lb ft (@6 800 RPM)
Redline11 000 RPM10 500 RPM
Idling speed1 150 RPM1 650 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-4DOHC Single
Compression11.00:112.90:1
Oil capacity3.12 quart
Oil type10W4015W50
Spark plug typeNGK CR9E, DENSO U27ESR-NBOSCH VR 5 NE, BOSCH VR 5 NEU
CoolingLiquidLiquid
Valves164
Bore81.0 mm89.0 mm
Stroke63.0 mm60.0 mm
Throttle bore44.0 mm
Weight to power8.05 lbs/hp
Power to weight310 hp/2500lbs
Battery typeYT12A-BS, 12V 10Ah
GearboxSuzuki HayabusaKTM 390 Duke
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeRK GB50GSV Z3X-Ring 5/8 x 1/4"
Gears count66
Primary ratio1.5962.667
Final drive2.3523.0
1. gear2.615 (81 mph)2.667 (35 mph)
2. gear1.937 (110 mph)1.857 (50 mph)
3. gear1.526 (140 mph)1.421 (66 mph)
4. gear1.285 (166 mph)1.143 (82 mph)
5. gear1.136 (188 mph)0.956 (98 mph)
6. gear1.043 (204 mph)0.84 (112 mph)
ChasisSuzuki HayabusaKTM 390 Duke
Frame typeSteel trellis frame
Front susp.USD, 4.72 in travelUSD 43mm, 5.91 in travel
Rear susp.Monoshock, 5.51 in travelMonoshock, 5.91 in travel