Triumph Street Triple 660 S
55 hp, 765 cc, 419 lbs2017 - 2018
Ducati XDiavel
156 hp, 1262 cc, 545 lbs2016
EngineTriumph Street Triple 660 SDucati XDiavel
Engine codeDVT 1262
Displacement765 cc1262 cc
Max power55 hp (@9 300 RPM)156 hp (@9 500 RPM)
Max torque39 lb ft (@5 200 RPM)70 lb ft (@5 000 RPM)
Redline12 650 RPM10 000 RPM
Idling speed1 200 RPM1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-3DOHC Desmodue V2
Compression12.47:113.00:1
Oil capacity3.29 quart
Oil type15W50, Motul 300V 15W50, Liqui Moly 15W50
Spark plug typeNGK CR9EIA9NGK MAR10A-J
CoolingLiquidLiquid
Valves128
Bore75.0 mm106.0 mm
Stroke48.48 mm71.5 mm
Throttle bore56.0 mm
Weight to power7.62 lbs/hp3.49 lbs/hp
Power to weight328 hp/2500lbs716 hp/2500lbs
Battery typeYTX-9BS
GearboxTriumph Street Triple 660 SDucati XDiavel
TypeSequentialSequential
ClutchWetWet
DriveChainBelt
Chain typeRK XW-ring, 118 link
Gears count66
Primary ratio1.852.857
Final drive2.881.84
1. gear2.62 (67 mph)2.466 (58 mph)
2. gear1.95 (90 mph)1.764 (82 mph)
3. gear1.57 (112 mph)1.35 (107 mph)
4. gear1.35 (130 mph)1.09 (132 mph)
5. gear1.24 (141 mph)0.958 (150 mph)
6. gear1.14 (153 mph)0.88 (164 mph)
ChasisTriumph Street Triple 660 SDucati XDiavel
Frame typeTwin-spar aluminumTubular steel Trellis frame attached to the cylinder head
Front susp.Showa 41mm USD SFF, 4.33 in travelAdjustable Ø 50 mm usd fork, 4.72 in travel
Rear susp.Showa monoshock, 4.88 in travelSingle shock absorber, 4.33 in travel