Aprilia RS660
100 hp, 660 cc, 403 lbs2020 - 2021
Triumph Speed Triple S
140 hp, 1050 cc2016
EngineAprilia RS660Triumph Speed Triple S
Displacement660 cc1050 cc
Max power100 hp (@10 500 RPM)140 hp (@9 500 RPM)
Max torque49 lb ft (@8 500 RPM)82 lb ft (@7 850 RPM)
Redline12 000 RPM10 000 RPM
Idling speed1 200 RPM
ManagementFuel InjectionFuel Injection
LayoutDOHC Inline-2DOHC Inline-3
Compression13.50:112.25:1
Oil capacity3.31 quart
Oil type10W40, Motul 300V 10W40
Spark plug typeNGK CR8EK
CoolingLiquidLiquid
Valves812
Bore81.0 mm79.0 mm
Stroke63.0 mm71.4 mm
Throttle bore48.0 mm
Weight to power4.03 lbs/hp
Power to weight619 hp/2500lbs
Battery type12V - 12Ah
GearboxAprilia RS660Triumph Speed Triple S
TypeSequentialSequential
ClutchWetWet
DriveChainChain
Chain typeX ring
Gears count06
Primary ratio1.75
Final drive2.522.333
1. gear2.733 (67 mph)
2. gear1.947 (94 mph)
3. gear1.545 (119 mph)
4. gear1.292 (142 mph)
5. gear1.154 (159 mph)
6. gear1.074 (171 mph)
ChasisAprilia RS660Triumph Speed Triple S
Frame typeDouble beam aluminumAluminium beam twin­spar
Front susp.41mm KYB USD, 4.72 in travelShowa 43 mm USD, 4.72 in travel
Rear susp.Monoshock, 5.12 in travelShowa monoshock, 5.12 in travel